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	<title>Fall prevention &#8211; Science</title>
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	<title>Fall prevention &#8211; Science</title>
	<link>https://scienmag.com</link>
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<site xmlns="com-wordpress:feed-additions:1">73899611</site>	<item>
		<title>Seven Global Health Bodies Unite to End the Deadly Silos Between Fall and Fracture Prevention</title>
		<link>https://scienmag.com/seven-global-health-bodies-unite-to-end-the-deadly-silos-between-fall-and-fracture-prevention/</link>
		
		<dc:creator><![CDATA[Tiffany Hanley]]></dc:creator>
		<pubDate>Sat, 12 Sep 2026 12:33:09 +0000</pubDate>
				<category><![CDATA[Medicine]]></category>
		<category><![CDATA[bone health]]></category>
		<category><![CDATA[breaking healthcare silos in musculoskeletal conditions]]></category>
		<category><![CDATA[economic burden of osteoporosis-related fractures]]></category>
		<category><![CDATA[elderly fall risk reduction strategies]]></category>
		<category><![CDATA[European and international geriatric health initiatives]]></category>
		<category><![CDATA[Fall prevention]]></category>
		<category><![CDATA[fall prevention and fracture prevention integration]]></category>
		<category><![CDATA[Fracture Liaison Services]]></category>
		<category><![CDATA[fragility fracture cost analysis]]></category>
		<category><![CDATA[fragility fractures]]></category>
		<category><![CDATA[geriatric medicine]]></category>
		<category><![CDATA[global health organizations collaboration]]></category>
		<category><![CDATA[healthcare cost impact of fractures]]></category>
		<category><![CDATA[healthy aging]]></category>
		<category><![CDATA[hip fracture]]></category>
		<category><![CDATA[integrated care]]></category>
		<category><![CDATA[interdisciplinary approach to fall and fracture prevention]]></category>
		<category><![CDATA[joint position paper on fracture care]]></category>
		<category><![CDATA[osteoporosis]]></category>
		<category><![CDATA[osteoporosis and osteoarthritis management]]></category>
		<category><![CDATA[osteosarcopenia]]></category>
		<category><![CDATA[public health policy]]></category>
		<category><![CDATA[unified care pathways for fall and fracture prevention]]></category>
		<category><![CDATA[wearable sensors]]></category>
		<guid isPermaLink="false">https://scienmag.com/?p=194211</guid>

					<description><![CDATA[Seven international medical organizations have jointly called for integrating fall prevention and fracture prevention into unified care pathways, citing enormous preventable costs, mortality, and fragmented clinical practice.]]></description>
										<content:encoded><![CDATA[<p>Seven of the world&#8217;s leading medical and scientific organizations have issued an unprecedented joint call to dismantle one of modern medicine&#8217;s most persistent blind spots: the artificial separation between fall prevention and fracture prevention. In a landmark position paper published in European Geriatric Medicine, the European Geriatric Medicine Society, the Fragility Fracture Network, the World Falls Prevention Society, the European Society for Clinical and Economic Aspects of Osteoporosis, Osteoarthritis and Musculoskeletal Diseases, the International Osteoporosis Foundation, the European Union of Medical Specialists-Geriatric Medicine Section, and the International Association of Gerontology and Geriatrics–European Region argue that the fragmented care pathways for two deeply intertwined conditions are costing lives, mobility, and billions of euros annually.</p>
<p>The scale of the problem is staggering. In 2019 alone, an estimated 4.3 million new fragility fractures occurred across the EU27, Switzerland, and the United Kingdom, including approximately 827,000 hip fractures. The direct cost of these new fractures reached 36.3 billion euros, with an additional 19.0 billion euros attributable to long-term disability from fractures sustained in previous years. When pharmacological assessment and treatment costs of 1.6 billion euros are added, the total direct cost climbed to 56.9 billion euros in a single year. Healthcare costs remain elevated above pre-fracture levels for five full years after the injury, placing an unsustainable strain on health systems already stretched by aging populations.</p>
<p>What makes these figures particularly troubling is how preventable many of these fractures are. More than 95 percent of hip fractures are caused by falling, yet the clinical systems designed to prevent falls and those designed to prevent fractures operate almost entirely in isolation from one another. Hip fracture outcomes are grim: one-year mortality reaches 20 to 24 percent, and among survivors, 40 percent are unable to walk independently while 60 percent still require assistance a full year after injury. Approximately one-third of patients become fully dependent or require residential care within twelve months of sustaining a hip fracture.</p>
<p>The biological logic for integration is compelling. The paper presents a conceptual framework showing how bone fragility and fall risk jointly determine fracture probability, with their relative contributions shifting over time. A common geriatric syndrome called osteosarcopenia—the combination of sarcopenia and osteopenia or osteoporosis—illustrates this overlap, affecting an estimated 5 to 37 percent of community-dwelling older adults and elevating the risk of both falls and fractures simultaneously. Crucially, researchers have documented an imminent subsequent fracture risk after both an incident fracture and an incident fall, and conversely, an increased risk of falling soon after a fracture. This bidirectional cascade means that missing one risk dimension inevitably undermines the other.</p>
<p>Despite this, clinical practice lags badly. In a recent survey among European healthcare professionals, fewer than 60 percent of respondents reported including fracture risk assessment often or always within the multifactorial fall risk assessment. On the fracture side, fall risk assessment is not routinely performed in many Fracture Liaison Services, the specialized secondary prevention programs established after a first fracture. In a 2025 national UK evaluation, only about 65 percent of FLS patients received or were referred for a fall risk assessment, with substantial variation between services, and the picture is likely worse or entirely absent in many other countries. The authors contend that FLS programs are uniquely positioned to operationalize integrated care but frequently remain predominantly bone-focused rather than comprehensively risk-focused.</p>
<p>The paper lays out a detailed technical roadmap for how fracture risk assessment can be embedded within fall prevention services, drawing on the 2022 World Guidelines for Fall Prevention and Management. These guidelines introduce a fall risk stratification algorithm for community-dwelling older adults and recommend that those at moderate to high risk of falls undergo bone health assessment using validated tools. Fracture risk calculators such as FRAX, Garvan, and QFracture can identify older adults at high fracture risk, with Garvan and QFracture already incorporating falls as a predictor. FRAXplus further refines conventional FRAX estimates by accounting for the number of falls in the previous year, allowing clinicians to treat fall history as a modifiable fracture risk amplifier that directly informs both risk stratification and therapeutic choice.</p>
<p>Conversely, established osteoporosis management pathways should embed fall prevention. An internationally applicable algorithm for postmenopausal women categorizes fracture risk into low, intermediate, and very high zones using FRAX, with bone densitometry and recalculation refining intermediate cases. Women with a prior fragility fracture are automatically considered at least high risk. The authors emphasize that fall prevention strategies must be embedded within treatment pathways for patients at high and very high fracture risk, and that cognitively impaired and dementia patients should never be denied fracture prevention measures, including pharmacological osteoporosis treatments. This population deserves particular attention: 60 to 80 percent of people with dementia fall annually, and cognitive impairment is present in approximately 40 percent of all older adults with hip fractures.</p>
<p>Education represents another critical pillar. Among nearly 4,000 European healthcare professionals surveyed, approximately 12 percent reported low or very low knowledge of both falls and bone health, and 35.9 percent reported low knowledge of orthogeriatric care. Only about a quarter of surveyed professionals agreed that their undergraduate education adequately prepared them for fall prevention in clinical practice. The authors call for interprofessional training that bridges medicine, physiotherapy, nursing, pharmacy, and dietetics, alongside a core set of competencies for integrated fall and fracture assessment that local teams can adapt to their resources while remaining evidence-based.</p>
<p>On the policy front, the paper argues that integrated fall and fracture prevention must be recognized as a public health priority and incorporated into national healthy aging strategies aligned with the WHO&#8217;s Decade of Healthy Ageing. Promising national initiatives already exist: France launched a 2022 plan targeting a 20 percent reduction in fall-related fractures and deaths; the Netherlands has introduced an Integrated Approach to Fall Prevention strategy; and Belgium operates a dedicated Center of Expertise for Falls and Fracture Prevention in Flanders. Hip fracture registries, another policy instrument, should include fall prevention quality markers, as the Danish National Hip Fracture Database has done since 2010.</p>
<p>Emerging technologies offer powerful new tools. Wearable sensors capturing real-world balance and mobility data, combined with AI-driven predictive models, demonstrate superior fall prediction performance compared with traditional approaches, while in silico clinical trials enable simulation of virtual populations to optimize preventive interventions before deployment. Emerging pharmacological findings add intrigue: pooled analyses suggest that romosozumab and denosumab may each reduce fall risk in postmenopausal women with osteoporosis, hinting at mechanisms that might involve muscle mass, though the authors caution that studies with falls as the primary outcome are still needed. The WHO and ESCEO have signed a five-year collaboration agreement to develop a strategic global roadmap on bone health and aging, signaling that momentum toward truly integrated prevention may finally be building. The authors&#8217; message is unambiguous: unify the science, unify the services, and millions of preventable fractures and falls could be avoided.</p>
<p><strong>Subject of Research:</strong> Integrated fall and fragility fracture prevention in older adults through coordinated international clinical, educational, policy, and research strategies</p>
<p><strong>Article Title:</strong> Position paper: a coordinated approach to fracture and fall prevention from seven international organizations</p>
<p><strong>Article References:</strong> van der Velde, N., Seppala, L. J., Bahat, G., Blain, H., Casas Herrero, A., Harvey, N. C., Masud, T., Rizzoli, R., Reginster, J.-Y., Ruggiero, C., Barbagallo, M., de Lima, A. B., Bonnici, M., Bousquet, J., Cortet, B., Chiari, L., Dionyssiotis, Y., Dreinhöfer, K., Duque, G., &#8230; Öztürk, Y. (2026). Position paper: a coordinated approach to fracture and fall prevention from seven international organizations. <em>European Geriatric Medicine</em>. <a href="https://doi.org/10.1007/s41999-026-01596-7" rel="noopener noreferrer">https://doi.org/10.1007/s41999-026-01596-7</a></p>
<p><strong>Image Credits:</strong> AI Generated</p>
<p><strong>DOI:</strong> <a href="https://doi.org/10.1007/s41999-026-01596-7" rel="noopener noreferrer">10.1007/s41999-026-01596-7</a></p>
<p><strong>Keywords:</strong> fall prevention, fragility fractures, osteoporosis, geriatric medicine, Fracture Liaison Services, hip fracture, osteosarcopenia, integrated care, healthy aging, bone health, wearable sensors, public health policy</p>
]]></content:encoded>
					
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">194211</post-id>	</item>
		<item>
		<title>Tai Chi Trains the Aging Brain to Master Balance</title>
		<link>https://scienmag.com/tai-chi-trains-the-aging-brain-to-master-balance/</link>
		
		<dc:creator><![CDATA[Cassandra Pierce]]></dc:creator>
		<pubDate>Sat, 12 Sep 2026 12:31:38 +0000</pubDate>
				<category><![CDATA[Medicine]]></category>
		<category><![CDATA[Aging]]></category>
		<category><![CDATA[and fall prevention]]></category>
		<category><![CDATA[balance]]></category>
		<category><![CDATA[brain regions involved in balance and coordination]]></category>
		<category><![CDATA[center of pressure]]></category>
		<category><![CDATA[cortical synchronization]]></category>
		<category><![CDATA[Fall prevention]]></category>
		<category><![CDATA[functional connectivity]]></category>
		<category><![CDATA[functional Near-Infrared Spectroscopy]]></category>
		<category><![CDATA[impact of Tai Chi on cortical synchronization for posture control]]></category>
		<category><![CDATA[long-term Tai Chi practice and motor system neuroplasticity]]></category>
		<category><![CDATA[neurological effects of Tai Chi on aging brain]]></category>
		<category><![CDATA[neurophysiology]]></category>
		<category><![CDATA[neurorehabilitation through Tai Chi]]></category>
		<category><![CDATA[older adults]]></category>
		<category><![CDATA[postural control]]></category>
		<category><![CDATA[primary motor cortex]]></category>
		<category><![CDATA[sensory feedback and motor coordination in aging]]></category>
		<category><![CDATA[somatosensory cortex]]></category>
		<category><![CDATA[Tai Chi]]></category>
		<category><![CDATA[Tai Chi and brain balance training in older adults]]></category>
		<category><![CDATA[Tai Chi as a balance improvement strategy for seniors]]></category>
		<category><![CDATA[Tai Chi benefits for neurovascular]]></category>
		<category><![CDATA[Tai Chi's role in enhancing unconscious motor control]]></category>
		<guid isPermaLink="false">https://scienmag.com/?p=194195</guid>

					<description><![CDATA[A new study finds that long-term Tai Chi practice strengthens synchronization among brain regions controlling posture, giving older adults smoother and more efficient balance.]]></description>
										<content:encoded><![CDATA[<p>The slow, flowing movements of Tai Chi have long been associated with better balance in older adults, but the neurological machinery behind that benefit has remained largely hidden. A new study published in BMC Complementary Medicine and Therapies now offers a detailed look at what happens inside the brain when years of Tai Chi practice are layered onto the aging motor system. Researchers from Shanghai Yangzhi Rehabilitation Hospital at Tongji University and the Shanghai University of Sport report that long-term practitioners show measurably stronger synchronization among cortical regions that govern posture, along with a smoother, more economical control strategy when their stability is challenged. The findings suggest that Tai Chi does more than strengthen legs and improve confidence; it appears to reshape how key brain regions communicate during the constant, unconscious work of staying upright.</p>
<p>Balance is one of the most demanding tasks the aging brain performs. Every second of standing involves a continuous negotiation between sensory feedback from the feet, joints, and vestibular system and motor commands that make millimeter-scale corrections to keep the body&#8217;s center of mass over its base of support. As people age, this negotiation becomes less reliable, and falls become a leading cause of injury and loss of independence. Postural scientists often quantify stability by tracking the center of pressure, the point at which the ground reaction force passes under the feet. A wandering, jittery center of pressure trajectory signals effortful, corrective balance control, while a smooth trajectory reflects a system that anticipates and manages perturbations before they become threats.</p>
<p>To probe how Tai Chi might influence this system, the research team recruited thirty-six older adults with substantial Tai Chi experience and twenty-five age-matched healthy older adults with no Tai Chi background. Participants performed four standing tasks of increasing difficulty: a quiet stance with feet comfortably apart, a narrow stance with feet brought close together, and a tandem stance performed twice, once with the left leg forward and once with the right leg forward. Each configuration progressively shrinks the base of support and forces the postural control system to work harder, which allowed the researchers to observe how the brain and body respond as stability becomes more precarious.</p>
<p>The technological centerpiece of the study was functional near-infrared spectroscopy, a non-invasive optical technique that measures changes in oxygenated hemoglobin in the outer layers of the brain. Because neurons that are actively firing demand more oxygen, shifts in hemoglobin concentration serve as a proxy for cortical activation. Unlike functional MRI, fNIRS allows participants to stand, sway, and shift weight naturally, making it well suited to studying posture in real time. The researchers focused on a network of regions of interest critical to movement: the primary motor cortex, which issues motor commands; the primary somatosensory cortex, which integrates body-position feedback; the supplementary motor area, which plans and sequences movement; and the dorsolateral prefrontal cortex, which contributes attention and executive control to demanding tasks.</p>
<p>The results revealed a consistent pattern of cortical advantage among the Tai Chi practitioners. Compared with controls, they showed greater activation in the left primary somatosensory cortex during the tandem stance with the left leg forward, greater activation in the right dorsolateral prefrontal cortex during the narrow stance, and elevated activation in the right primary motor cortex during both the narrow stance and the tandem stance. These differences were statistically robust, with p-values ranging from 0.02 to below 0.01. Perhaps more striking, the practitioners displayed stronger functional connectivity, both within and between the primary motor cortex, the primary somatosensory cortex, and the supplementary motor area, with all comparisons reaching significance at p below 0.05. In practical terms, the brain regions responsible for sensing the body and commanding movement were talking to each other more coherently in the Tai Chi group.</p>
<p>The researchers interpret this enhanced coordination as cortical synchronization, a state in which sensorimotor regions operate as an integrated unit rather than as loosely coupled specialists. Such synchronization is thought to reflect neural efficiency: when communication between sensory and motor areas is strong, the brain can detect a loss of balance earlier and issue corrective commands with less delay and less compensatory recruitment of higher cognitive regions. The elevated prefrontal activation seen in practitioners during the narrow stance may indicate that experienced Tai Chi practitioners can flexibly bring attentional resources to bear precisely when a task becomes difficult, a capacity that often declines with age and is strongly linked to fall risk.</p>
<p>The behavioral side of the study told an equally compelling story. On the Berg Balance Scale, a widely used clinical measure of functional balance, the Tai Chi practitioners scored significantly higher than the non-practitioners, with p below 0.01. Analysis of center of pressure recordings added finer-grained detail. In the anterior-posterior direction, the practitioners showed lower sample entropy and lower mean power frequency, both indicating that their sway was smoother and less erratic. Sample entropy quantifies the unpredictability of a signal; a lower value means the trajectory is more regular and controlled. Mean power frequency reflects how fast the center of pressure oscillates, so a reduction suggests slower, more deliberate adjustments rather than rapid, reactive jerks.</p>
<p>Frequency-domain analysis sharpened this picture further. When postural demands increased, the Tai Chi group exhibited greater energy in low-frequency bands and reduced energy in mid-frequency bands compared with controls. In postural research, low-frequency sway is often associated with slow, strategic weight shifts driven by anticipatory control, while mid-frequency components are linked to faster corrective reflexes. The practitioners&#8217; profile therefore points to a postural strategy that relies less on last-second rescue maneuvers and more on continuous, graceful regulation. As the authors conclude, long-term Tai Chi practitioners demonstrated greater cortical regulation in postural control, characterized by smoother and less abrupt postural adjustments and a reduced reliance on rapid corrective responses when stability was challenged.</p>
<p>Several caveats frame the significance of these findings. The study was cross-sectional, comparing existing practitioners with non-practitioners rather than randomly assigning novices to training, so it cannot fully rule out the possibility that people with naturally superior balance and brain organization are more drawn to Tai Chi in the first place. The sample sizes, while adequate for the mixed-model statistical analysis the researchers employed, were modest, and the participants were healthy older adults rather than frail individuals at high risk of falling. Longitudinal trials will be needed to confirm that Tai Chi training itself drives the cortical adaptations observed here. Nevertheless, the convergence of evidence, from clinical balance scores to hemodynamic brain imaging to the physics of sway, forms a coherent and biologically plausible account of how a centuries-old movement practice tunes the modern aging brain.</p>
<p>The implications reach well beyond martial arts studios. Falls among older adults impose enormous medical and personal costs worldwide, and interventions that are safe, low-impact, and engaging are urgently needed. If practicing Tai Chi strengthens the functional connectivity of the sensorimotor network and cultivates a calmer, more anticipatory postural style, it offers a rare combination of accessibility and mechanistic depth. The study also highlights the value of portable neuroimaging tools like fNIRS, which allow scientists to watch the brain work during real movement rather than inferring its behavior from static scans. For millions of older adults wondering whether slow, deliberate movement can genuinely change the body&#8217;s relationship with gravity, this research provides a measurable answer: in the brains and balance of long-term practitioners, the evidence is written in oxygen, connectivity, and the quiet steadiness of every step.</p>
<p><strong>Subject of Research:</strong> Cortical adaptation and postural control in long-term Tai Chi practitioners among older adults</p>
<p><strong>Article Title:</strong> Long‑term Tai Chi practice promotes cortical synchronization in postural control among older adults</p>
<p><strong>Article References:</strong> Chen, X., Sun, J., Sun, T., Yang, X., Jiang, J., &amp; Niu, W. (2026). Long‑term Tai Chi practice promotes cortical synchronization in postural control among older adults. <em>BMC Complementary Medicine and Therapies</em>. <a href="https://doi.org/10.1186/s12906-026-05600-2" rel="noopener noreferrer">https://doi.org/10.1186/s12906-026-05600-2</a></p>
<p><strong>Image Credits:</strong> AI Generated</p>
<p><strong>DOI:</strong> <a href="https://doi.org/10.1186/s12906-026-05600-2" rel="noopener noreferrer">10.1186/s12906-026-05600-2</a></p>
<p><strong>Keywords:</strong> Tai Chi, postural control, older adults, functional near-infrared spectroscopy, cortical synchronization, functional connectivity, center of pressure, balance, primary motor cortex, somatosensory cortex, fall prevention, neurophysiology</p>
]]></content:encoded>
					
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">194195</post-id>	</item>
		<item>
		<title>AI Learns to Read Shoe Treads to Predict Who Might Slip</title>
		<link>https://scienmag.com/ai-learns-to-read-shoe-treads-to-predict-who-might-slip/</link>
		
		<dc:creator><![CDATA[Blake Davidson]]></dc:creator>
		<pubDate>Sat, 12 Sep 2026 01:46:58 +0000</pubDate>
				<category><![CDATA[Medicine]]></category>
		<category><![CDATA[aging population fall prevention strategies]]></category>
		<category><![CDATA[AI and sensors in fall detection]]></category>
		<category><![CDATA[AI-based shoe tread analysis for fall risk prediction]]></category>
		<category><![CDATA[biomechanics of slips and falls]]></category>
		<category><![CDATA[biomedical engineering]]></category>
		<category><![CDATA[computer vision]]></category>
		<category><![CDATA[deep learning]]></category>
		<category><![CDATA[elderly fall prevention innovations]]></category>
		<category><![CDATA[fall injury statistics and global health impact]]></category>
		<category><![CDATA[Fall prevention]]></category>
		<category><![CDATA[footwear outsole and walking surface interaction]]></category>
		<category><![CDATA[footwear outsole segmentation]]></category>
		<category><![CDATA[footwear safety]]></category>
		<category><![CDATA[forensic biomechanics in slip analysis]]></category>
		<category><![CDATA[image segmentation]]></category>
		<category><![CDATA[Machine learning]]></category>
		<category><![CDATA[machine learning models for fall risk assessment]]></category>
		<category><![CDATA[occupational injury prevention through shoe surface analysis]]></category>
		<category><![CDATA[public health approaches to reducing fall-related injuries]]></category>
		<category><![CDATA[Segment Anything Model]]></category>
		<category><![CDATA[slip and fall injuries]]></category>
		<category><![CDATA[slip resistance]]></category>
		<category><![CDATA[transfer learning]]></category>
		<category><![CDATA[wearable technology for slip prevention]]></category>
		<guid isPermaLink="false">https://scienmag.com/?p=193410</guid>

					<description><![CDATA[Researchers in Toronto fine-tuned the Segment Anything Model to automatically segment footwear outsoles, using the resulting contact areas to predict whether shoes have high or low slip resistance with implications for fall prevention.]]></description>
										<content:encoded><![CDATA[<p>Every year, falls claim hundreds of thousands of lives worldwide and send countless more people to hospitals, particularly older adults whose balance and bone strength can no longer absorb the shock of an unexpected tumble. The World Health Organization identifies falls as the second leading cause of unintentional injury deaths globally, and surveillance work published by the United States Centers for Disease Control and Prevention has documented that nonfatal falls and fall-related injuries among adults aged sixty-five and older in the United States rose steadily between 2012 and 2018. The demographic backdrop sharpens the concern: populations in the United States, Canada, and much of the developed world are aging rapidly, with the ranks of the very old expanding faster than any other age group, which means the population most vulnerable to falls is growing at precisely the moment when prevention matters most. In workplaces, slips and trips represent one of the most stubborn categories of occupational injury, and research in ergonomics and forensic biomechanics has repeatedly shown that the interaction between a shoe&#8217;s outsole and the walking surface is a decisive factor in whether a person stays upright or goes down. Studies of the biomechanics of slips have traced how a shoe that fails to grip converts an ordinary step into a fall within a fraction of a second, leaving little time for muscular recovery. Now a team of Canadian researchers has turned to one of the most powerful artificial intelligence systems ever built to attack this problem from an unexpected angle: the underside of the shoe itself. Their work, published in the Annals of Biomedical Engineering, demonstrates that a carefully adapted version of the Segment Anything Model can automatically map the complex geometry of footwear outsoles and, in doing so, help predict how slippery a shoe will be before anyone takes a single risky step.</p>
<p>The Segment Anything Model, or SAM, was introduced by Meta AI researchers in 2023 as a foundation model for image segmentation, trained on more than a billion masks across eleven million images. Its promise was audacious: the ability to segment, or precisely outline, virtually any object in any image without task-specific training. In medical imaging, remote sensing, pathology, and even planetary geology, researchers have rushed to harness SAM&#8217;s general-purpose vision capabilities. But SAM has a well-documented Achilles heel. When confronted with images dominated by dense, repetitive, fine-grained textures—the branching vessels of a retina, the tangled architecture of a surgical field, or in this case the grooves, channels, and tread patterns of a shoe sole—the model&#8217;s performance drops sharply. Footwear outsoles are exactly this kind of challenge. Their tread designs combine geometric regularity with manufacturing variation, wear patterns, and material contrasts that confound a model trained mostly on natural scenes and everyday objects. Shaghayegh Chavoshian, Ali Barzegar Khanghah, and Atena Roshan Fekr, based at the KITE Research Institute of the Toronto Rehabilitation Institute and the Institute of Biomedical Engineering at the University of Toronto, set out to close that gap.</p>
<p>Their strategy was transfer learning, a technique in which a model pretrained on a vast general dataset is retrained, or fine-tuned, on a smaller but highly specific dataset so that its general visual knowledge is redirected toward a narrow task. Fine-tuning foundation models has already proven fruitful in medical image segmentation, where adapted SAM variants have been used for anatomical structures, tumor delineation, and surgical video analysis. The Toronto team reasoned that the same principle should apply to footwear science, where manual annotation of outsole images is notoriously slow and expensive. Segmenting an outsole by hand requires a trained expert to trace, pixel by pixel or polygon by polygon, the boundaries between tread features and the spaces between them—a process that consumes substantial time per image and becomes prohibitive when applied across the many shoes a serious slip-resistance study requires. Automating this bottleneck would open the door to analyzing footwear at a scale previously impractical, potentially transforming how safety standards are written and how shoes are evaluated for consumers, workers, and older adults. The motivation is reinforced by a long line of prior work showing that outsole features such as tread groove geometry, sole hardness, and material wear all influence the friction available at the shoe-floor interface, which makes accurate, scalable measurement of outsole geometry a genuinely valuable scientific target rather than a mere convenience.</p>
<p>To fine-tune the model, the researchers assembled a dataset of forty footwear outsoles, each manually annotated using a graphical annotation tool that allows precise polygonal outlining of image features. Forty shoes may sound modest next to SAM&#8217;s eleven-million-image pretraining corpus, but that is precisely the point of transfer learning: the general model already understands edges, shapes, and textures; it needs only a comparatively small volume of domain-specific examples to learn what matters in a shoe sole. The ground truth against which the model was judged came not from mechanical friction devices alone but from human-centered data, in which footwear had been classified as having either low or high slip resistance based on real human testing. Some of that human-centered footwear data was drawn from open access material available through the Rate My Treads website, a resource that aggregates winter footwear performance information. This choice of labels matters. Mechanical slip testers measure friction under controlled conditions, but human slip resistance emerges from an interplay of gait biomechanics, loading rates, and perception that benchtop devices only approximate. By anchoring the labels to how shoes actually perform on people&#8217;s feet, the researchers kept the machine learning pipeline aligned with the outcome that ultimately counts—whether a person slips.</p>
<p>The results of the fine-tuning were substantial. Compared with the original, out-of-the-box SAM, the adapted model reduced segmentation loss by 8.11 percent and lifted the intersection over union, the standard overlap metric between predicted and true segmentation masks, to 70.45 percent. Perhaps more strikingly, pixel accuracy climbed from 56.90 to 78.10 percent, and the F1 score, which balances precision and recall, rose from 53.70 to 66.30 percent. Those numbers tell a clear technical story: without task-specific adaptation, SAM could barely delineate outsole features better than chance on some measures, but after fine-tuning it captured roughly two-thirds to three-quarters of the relevant structure. The researchers also examined which image quality factors influenced performance, finding that resolution, contrast, and intensity all significantly affected segmentation quality. This is consistent with a growing literature showing that deep segmentation networks are sensitive to the spectral and spatial characteristics of their inputs; a model fine-tuned on images of one resolution or contrast profile may degrade when fed imagery that differs. For anyone hoping to deploy such systems in the field—photographing shoes in a store, a clinic, or a workplace—the finding underscores that image capture protocols must be standardized for reliable results.</p>
<p>The segmentation outputs were then put to work. From each predicted outsole mask, the pipeline estimated the outsole-ground contact areas—the regions of the sole that would actually press against a floor during walking. These contact features were fed into a downstream machine learning classifier tasked with predicting the slip resistance category of the shoe, low or high, using the human-derived ground truth labels. With an 80/20 train-test split, the classification model achieved 70 percent accuracy and a 64 percent F1 score. While these figures are a distance from clinical certainty, they represent a meaningful proof of concept: the geometry of a shoe&#8217;s contact patch, extracted automatically by an adapted foundation model, carries enough information to forecast, with better-than-chance reliability, how the shoe will behave under a human foot on a slippery surface. Earlier work by the same group and collaborators had shown that convolutional neural networks and machine learning models could predict slip resistance from engineered tread features, including studies of winter footwear on glycerol-contaminated surfaces; the new study shortens that pipeline by replacing manual feature extraction with learned segmentation.</p>
<p>The broader context makes the advance more than an academic exercise. Winter footwear rated for slip resistance is still evaluated largely through mechanical tests and, increasingly, through human-centered trials such as those conducted with the maximum achievable incline method, in which participants walk up progressively steeper icy slopes until they slip. Portable slip simulators, cart-type friction measurement devices, and computational models of shoe-floor friction have each expanded the toolkit, but these approaches remain expensive, time-consuming, and difficult to scale to the flood of new footwear models reaching the market each year. Rating programs that rely on such testing simply cannot keep pace. If a vision model can screen outsole designs computationally, flagging promising candidates for human testing and discouraging poor performers before they reach consumers, the entire evaluation ecosystem could accelerate. The authors point to implications for two populations in particular: older adults, for whom a fall can trigger a cascade of fractures, hospitalization, loss of independence, and mortality, and workers in occupations—from construction and healthcare to marine and winter industries—who depend on protective footwear to stay safe in hazardous environments.</p>
<p>The study also contributes to a rapidly evolving conversation about when and how to adapt foundation models. Across computer vision research, SAM has been shown to struggle in concealed scenes, camouflaged object detection, and numerous specialized domains, prompting a wave of adaptation techniques ranging from lightweight adapter layers and parameter-space reconstruction to knowledge distillation, in which a compact student model learns to mimic a large teacher. The Toronto study adds footwear science to the list of domains where modest fine-tuning unlocks outsized gains, and its finding that image quality variables materially shape performance echoes parallel observations in brain tissue segmentation and satellite imagery classification. The researchers acknowledge the inherent constraints of their dataset size—forty annotated outsoles leaves the classifier with limited statistical power—and the 70 percent classification accuracy should be read as an early benchmark rather than a deployable performance ceiling. Scaling the annotated corpus, standardizing image acquisition, and refining the contact-area features that bridge segmentation and prediction are the obvious next steps.</p>
<p>Funded by the Digital Research Alliance of Canada and reviewed by the University Health Network Research Ethics Board, the work forms part of a broader research program at KITE that spans mechanical and human-centered slip testing, gait analysis with multimodal transformers, and slip detection during real human walking trials, alongside earlier investigations of how the edge of a footwear sole influences measured slip resistance. Together these strands sketch a future in which the slip resistance of a shoe could be assessed rapidly, cheaply, and at scale—by photographing its sole, letting a fine-tuned foundation model trace its contact geometry, and letting a classifier render a verdict before the shoe ever meets an icy sidewalk. For the millions of people who navigate winter sidewalks, wet kitchens, oily factory floors, and slick hospital corridors every day, that future could translate into fewer falls, fewer fractures, and a far more transparent footwear market in which slip resistance is not a marketing slogan but a measurable, machine-verified property.</p>
<p><strong>Subject of Research:</strong> Fine-tuning the Segment Anything Model for automated footwear outsole segmentation to predict slip resistance.</p>
<p><strong>Article Title:</strong> Transfer Learning on Segment Anything Model for Footwear Outsole Segmentation to Predict Footwear Slip Resistance</p>
<p><strong>Article References:</strong> Chavoshian, S., Khanghah, A. B., &amp; Fekr, A. R. (2026). Transfer Learning on Segment Anything Model for Footwear Outsole Segmentation to Predict Footwear Slip Resistance. <em>Annals of Biomedical Engineering</em>. <a href="https://doi.org/10.1007/s10439-026-04331-2" rel="noopener noreferrer">https://doi.org/10.1007/s10439-026-04331-2</a></p>
<p><strong>Image Credits:</strong> AI Generated</p>
<p><strong>DOI:</strong> <a href="https://doi.org/10.1007/s10439-026-04331-2" rel="noopener noreferrer">10.1007/s10439-026-04331-2</a></p>
<p><strong>Keywords:</strong> Segment Anything Model, transfer learning, footwear outsole segmentation, slip resistance, machine learning, computer vision, fall prevention, biomedical engineering, slip and fall injuries, image segmentation, footwear safety, deep learning</p>
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		<title>Factors Affecting Fall Prevention for Older Adults With Dementia, Systematic Review</title>
		<link>https://scienmag.com/factors-affecting-fall-prevention-for-older-adults-with-dementia-systematic-review/</link>
		
		<dc:creator><![CDATA[Cassandra Pierce]]></dc:creator>
		<pubDate>Sat, 18 Jul 2026 17:07:19 +0000</pubDate>
				<category><![CDATA[Medicine]]></category>
		<category><![CDATA[barriers to implementing fall prevention programs]]></category>
		<category><![CDATA[caregiver engagement in dementia fall prevention]]></category>
		<category><![CDATA[clinical practice guidelines for fall prevention]]></category>
		<category><![CDATA[dementia care strategies]]></category>
		<category><![CDATA[environmental modifications for dementia patients]]></category>
		<category><![CDATA[Fall prevention]]></category>
		<category><![CDATA[healthcare workflow integration for fall prevention]]></category>
		<category><![CDATA[implementation determinants in elderly fall prevention]]></category>
		<category><![CDATA[multidisciplinary collaboration in fall prevention]]></category>
		<category><![CDATA[organizational factors in fall prevention]]></category>
		<category><![CDATA[resource availability in dementia care]]></category>
		<category><![CDATA[staff training and education for fall prevention]]></category>
		<guid isPermaLink="false">https://scienmag.com/factors-affecting-fall-prevention-for-older-adults-with-dementia-systematic-review/</guid>

					<description><![CDATA[A new systematic review published in BMC Geriatrics maps the evidence behind fall-prevention strategies for older adults living with dementia or other cognitive impairments. Covering studies released from 2021 through March 2026, the review by Pu, Liu, Li, and colleagues synthesizes what drives whether interventions are actually implemented in real-world care settings. Using a structured [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>A new systematic review published in <em>BMC Geriatrics</em> maps the evidence behind fall-prevention strategies for older adults living with dementia or other cognitive impairments. Covering studies released from 2021 through March 2026, the review by Pu, Liu, Li, and colleagues synthesizes what drives whether interventions are actually implemented in real-world care settings.</p>
<p>Using a structured review approach, the researchers examined implementation “determinants”—the practical and contextual factors that influence adoption, uptake, and sustained delivery. Because people with dementia may require tailored supervision, medication management, and environment modifications, the team focused on evidence relevant to clinical and community care workflows, not only efficacy results.</p>
<p>The analysis highlights that successful implementation depends on more than staff training alone. Organizational capacity, leadership commitment, workflow integration, and access to resources consistently shape whether fall-prevention programs move from protocol to routine practice. In environments with constrained staffing or competing priorities, even well-designed tools struggle to be maintained.</p>
<p>The review also points to the importance of caregiver and multidisciplinary engagement. Falls prevention for cognitively impaired individuals often spans nursing, rehabilitation, occupational therapy, and family caregiving. Where communication is strong and responsibilities are clearly defined, interventions are more likely to be delivered consistently and monitored over time.</p>
<p>Another technical theme is the role of tailoring and fidelity. Interventions that account for behavioral symptoms, mobility limitations, and safety risks tend to fit the daily realities of dementia care. The review underscores that fidelity—delivering the “active ingredients” of an intervention—can be challenged by frequent changes in health status and care transitions.</p>
<p>Equally important, the findings suggest that measurement affects implementation. When facilities track relevant outcomes (such as incident reports, near-misses, and adherence to prevention components), teams can adjust quickly and justify continued investment.</p>
<p>In “viral” science terms, the message is simple: fall-prevention success is a systems problem. The determinants identified in this evidence synthesis offer a roadmap for turning research-backed practices into scalable care.</p>
<p>For clinicians and health leaders, the study frames implementation planning as an essential step—one that should start early, include accountability mechanisms, and anticipate barriers unique to dementia care.</p>
<p>Taken together, the review offers a timely evidence base for improving implementation strategies across care settings, aiming to reduce preventable injuries in a high-risk population as new data continue to emerge through 2026.</p>
<p><strong>Subject of Research</strong>: Fall prevention implementation among older adults with dementia or cognitive impairment.</p>
<p><strong>Article Title</strong>: Determinants of fall prevention implementation among older adults with dementia or cognitive impairment: a systematic review of recent evidence from 2021 to March 2026.</p>
<p><strong>Article References</strong>: Pu, F., Liu, H., Li, M. <i>et al.</i> Determinants of fall prevention implementation among older adults with dementia or cognitive impairment: a systematic review of recent evidence from 2021 to March 2026. <i>BMC Geriatr</i> (2026). <a href="https://doi.org/10.1186/s12877-026-08004-6">https://doi.org/10.1186/s12877-026-08004-6</a></p>
<p><strong>Image Credits</strong>: AI Generated</p>
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		<post-id xmlns="com-wordpress:feed-additions:1">173764</post-id>	</item>
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		<title>Consistent Dog Walking Enhances Mobility and Lowers Fall Risk in Seniors</title>
		<link>https://scienmag.com/consistent-dog-walking-enhances-mobility-and-lowers-fall-risk-in-seniors/</link>
		
		<dc:creator><![CDATA[William Thompson]]></dc:creator>
		<pubDate>Tue, 21 Jan 2025 15:30:30 +0000</pubDate>
				<category><![CDATA[Social Science]]></category>
		<category><![CDATA[Aging]]></category>
		<category><![CDATA[Companion animals]]></category>
		<category><![CDATA[Dog walking]]></category>
		<category><![CDATA[Fall prevention]]></category>
		<category><![CDATA[Fear of falling]]></category>
		<category><![CDATA[Gerontology]]></category>
		<category><![CDATA[Mental health]]></category>
		<category><![CDATA[Mobility]]></category>
		<category><![CDATA[Physical activity]]></category>
		<category><![CDATA[Public health]]></category>
		<category><![CDATA[Senior health]]></category>
		<category><![CDATA[Social engagement]]></category>
		<guid isPermaLink="false">https://scienmag.com/consistent-dog-walking-enhances-mobility-and-lowers-fall-risk-in-seniors/</guid>

					<description><![CDATA[Recent findings from The Irish Longitudinal Study on Ageing (TILDA), conducted at Trinity College Dublin, underscore the remarkable benefits of engaging in regular dog walking, specifically for older adults. The research, which has recently been published in the esteemed Journals of Gerontology, highlights that those who walk their dogs at least four times a week [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>Recent findings from The Irish Longitudinal Study on Ageing (TILDA), conducted at Trinity College Dublin, underscore the remarkable benefits of engaging in regular dog walking, specifically for older adults. The research, which has recently been published in the esteemed <em>Journals of Gerontology</em>, highlights that those who walk their dogs at least four times a week experience a range of positive health outcomes. Among these benefits are improved mobility, decreased fear of falling, and a noticeably lower occurrence of unexplained falls. This groundbreaking study could provide actionable insights for healthcare professionals and caregivers, extending the conversation around physical activity and its vital role in maintaining health during the later stages of life.</p>
<p>Historically, there exists a surprising gap in research when it comes to exploring the idea that walking dogs could serve as a protective factor against falls and mobility-related issues in older individuals. The TILDA research aims to bridge this gap by evaluating the correlation between regular dog walking and the incidence of falls and mobility challenges among a significant number of community-dwelling older adults. This examination comes at an opportune time, as the aging population continues to grow, and the societal impacts of falls among older individuals become increasingly apparent.</p>
<p>Falls rank as one of the top causes of hospital admissions among older adults, representing a substantial concern for public health. Statistics from TILDA reveal a striking figure: approximately 30% of individuals over the age of 70 in Ireland experience a fall each year, and 1 in 8 seek emergency medical attention as a result. As life expectancy climbs, the burden of falls will likely escalate, making it critical to identify preventive strategies. Regular dog walking may emerge as a powerful intervention, providing both physical exercise and social engagement—two elements crucial to maintaining health in senior years.</p>
<p>The methodology of the TILDA study was robust and well-structured, including participants aged 60 and older at Wave 5 of the research. The study categorized regular dog walkers as those engaged in this activity a minimum of four days each week, with additional groups consisting of non-dog owners and dog owners who did not regularly walk their pets. Various outcome measures, including self-reported falls and fear of falling, were analyzed alongside mobility assessments conducted through the Timed-Up-and-Go (TUG) test, recognized as a valuable measure in predicting fall risk among older populations.</p>
<p>Among the key findings, the study revealed that older adults who walked their dogs regularly completed the Timed-Up-and-Go test significantly faster than their non-dog-walking counterparts. Specifically, dog walkers averaged 10.3 seconds on the TUG test compared to an average of 11.7 seconds for non-dog walkers. This measurable difference underscores the enhanced mobility attributed to the simple act of walking a dog, positioning it as a potential strategy for improving mobility health among older adults.</p>
<p>Moreover, the implications of significantly reduced falls were highlighted in the study’s results. Regular dog walkers were found to be 40% less likely to encounter unexplained falls, hinting at a crucial link between this activity and physical stability. Reducing the frequency of falls could not only alleviate the immediate physical hazards associated with them but also mitigate the broader spectrum of potential health complications, such as fractures and the loss of independence—issues that plague many older adults after experiencing a fall.</p>
<p>Equally compelling was the finding related to fear of falling, an often under-recognized factor that can significantly curtail mobility and diminish overall quality of life. Participants who regularly walked their dogs reported a 20% lower likelihood of expressing a fear of falling compared to their non-walking peers. By reducing this fear, dog walking may facilitate greater engagement in physical activity and social interaction, further enhancing overall health and well-being.</p>
<p>The broader implications of the TILDA study are profound, emphasizing the role of enjoyable physical activities, such as dog walking, in fostering health and independence as individuals age. While it is well-known that exercise plays a vital role in maintaining health, the unique social and emotional benefits associated with dog ownership add another layer of significance to this finding. The companionship provided by dogs offers emotional support that may further enhance physical activity, creating a positive feedback loop.</p>
<p>Insights gathered from this research contribute invaluable information that healthcare providers can leverage to promote comprehensive interventions aimed at preserving mobility and reducing falls among older adults. Given the simplicity and accessibility of dog walking, it presents a practical recommendation that could easily be incorporated into routine healthcare practices. Caregivers could consider advocating for dog ownership and regular walking, not only to promote physical fitness but also to encourage social linkage and mental well-being.</p>
<p>As the aging demographic continues to rise, recognizing and implementing strategies that promote both physical and mental health becomes crucial. This study provides a compelling argument for incorporating dog walking into preventive health strategies, highlighting that it is not merely exercise, but an enriching activity that fosters a sense of purpose and community engagement. As emphasized by Professor Robert Briggs, co-author of the study, the findings serve as an affirmative message about the role pets play in the lives of older adults.</p>
<p>Lead author Dr. Eleanor Gallagher additionally echoes these sentiments by underscoring the multifaceted benefits of regular dog walking as an accessible means to enhance physical health, while also improving mental well-being and self-confidence among older individuals. As society moves forward, emphasizing these enjoyable and health-promoting activities could pave the way for a healthier, more active aging population.</p>
<p>In a world where technology often dominates conversation surrounding health, it is refreshing to see a return to simple yet effective activities that encourage movement, companionship, and a sense of belonging among older adults. As further studies may expand our understanding, TILDA&#8217;s findings stand as a powerful testament to the impact that regular dog walking can have on the lives of seniors, promoting not only longevity but also vitality and quality of life.</p>
<p>In conclusion, the TILDA research invites us to consider the potential impact of our four-legged companions on human health, weaving together threads of physical activity, emotional support, and social engagement. Its findings herald a call to action for both individuals and healthcare systems to prioritize strategies that embrace the benefits of dog walking, thereby paving the way for healthier, happier, and more active aging.</p>
<p><strong>Subject of Research</strong>: People<br />
<strong>Article Title</strong>: The Association of Regular Dog Walking with Mobility, Falls and Fear of Falling in Later Life<br />
<strong>News Publication Date</strong>: 20-Jan-2025<br />
<strong>Web References</strong>: www.tilda.ie<br />
<strong>References</strong>: 10.1093/gerona/glaf010<br />
<strong>Image Credits</strong>: N/A<br />
<strong>Keywords</strong>: Social sciences, Gerontology, Aging, Physical activity, Mobility, Dog walking, Mental health, Public health.</p>
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