New BODYPERC checklist makes body percussion studies describe what the body plays

Two programmes both labelled “body percussion” can differ in almost everything that matters: which body surfaces are struck, at what tempo, how the limbs are organised, what cognitive task runs alongside the rhythm, whether participants move in unison or in interlocking parts, and how much total playing time they accumulate. A conceptual analysis published in Frontiers in Psychology argues that this hidden variability is now the main obstacle to synthesising the field’s evidence, and it proposes a remedy: BODYPERC, a method-neutral checklist of 33 items in 11 domains for reporting body percussion interventions and their comparators. The checklist, developed by Francisco Javier Romero-Naranjo and Maria Luisamercedes Gonzalez-de-Benatuil at the University of Alicante, is designed as an extension of the existing TIDieR and CERT reporting templates rather than a replacement for them.

The problem the authors identify is well documented in non-pharmacological research more broadly. In a consecutive sample of randomised trials, fewer than half of non-pharmacological interventions were adequately described in the primary publication, and reporting of music interventions in healthcare has been found similarly inconsistent. Body percussion adds a twist of its own: the label covers practices ranging from seated clapping sequences for children to stepping routines with ankle weights and elastic bands aimed at physical fitness. A bibliometric survey identified 245 documents on body percussion indexed between 2001 and 2022, with education as the main field of application. The authors highlight a four-arm study in Costa Rican primary education that compared a dual-task body percussion programme with standard physical education, a second body percussion arm limited to repetitive pre-set choreographies, and a passive control. A systematic review that coded both body percussion arms simply as “body percussion” would pool an intervention with one of its own comparators.

The reason these differences are not neutral methodological variation lies in neighbouring research fields. Studies of bimanual coordination show that symmetric, in-phase movement of the two hands is the most stable mode, while alternating antiphase patterns are less stable and tend to switch abruptly to in-phase as movement frequency rises. The sensorimotor synchronisation literature documents that timing variability depends on tempo and rhythmic complexity, and performance data from a large sample of players of a game based on Steve Reich’s Clapping Music show that structural features of a clapping pattern predict how difficult it is to perform. Meta-analyses indicate that interpersonal synchrony increases prosocial behaviour and perceived social bonding, and dual-task research shows that interference depends on the type of concurrent task and on priority instructions. The authors classify their supporting evidence carefully: apart from a preliminary coding of eleven rhythmic-motor training studies, in which the four studies with movements fully aligned with linguistic events reported phonological gains and the three unaligned studies did not, no feature has yet been tested as a moderator of outcomes across body percussion interventions. That coding rested on few studies, was performed by a single rater and was confounded with research group.

Five features, the analysis argues, distinguish body percussion as an intervention class and justify a dedicated reporting extension. First, the effector is the instrument: unlike a drummer and a drum, the performer’s movement and the sounding object coincide, so describing what is played also prescribes what the body does. A pattern played on the thighs while seated and the same pattern played as stamps while standing share a rhythm but not a motor demand, a balance demand or a risk profile. Second, rhythmic structure functions as a dose parameter: two programmes with identical session length can impose very different demands if one works at 60 beats per minute with four-beat unison patterns and the other at 120 beats per minute with syncopated interlocking parts. Third, cognitive load is deliberately manipulated, with participants clapping while counting backwards or switching pattern at an unpredictable signal. Fourth, interpersonal synchrony is a social ingredient shaped by spatial formation, coordination demand and the source of timing. Fifth, the repertoire often comes from living traditions such as children’s hand-clapping games, flamenco palmas, South African gumboot dancing and African American hambone, raising questions of provenance, adaptation and cultural acknowledgement that generic guidelines do not anticipate.

Existing templates cover only part of this terrain. TIDieR provides twelve items applicable to any intervention, CERT adds sixteen items on exercise content, dose and progression, and the updated reporting guidelines for music-based interventions ask for compositional features such as tempo and rhythm, but treat these as properties of the music rather than as a motor prescription participants execute with their own bodies. None of them prompts which body surfaces are struck, how the limbs are organised relative to one another, at what tempo and with what rhythmic structure, under what concurrent cognitive load, in what social formation and with what repertoire. The authors rate the coverage of each feature by each guideline in a detailed table, marking features such as tempo, metric structure, coordination demand, physical contact and process measures as unaddressed or only partially addressed by the existing instruments.

BODYPERC comprises 33 items organised in 11 domains: 13 items are new, 11 extend an existing item and 9 are adopted; 26 are core and 7 contextual. The domains move from identification and rationale through sound production, rhythmic and musical structure, cognitive load, social format, dose and schedule, providers and setting, tailoring, the comparator, fidelity and process measures, and finally safety. Items had to satisfy four drafting rules: observability, meaning answerable without access to proprietary training materials; method neutrality, meaning completable for traditional, educational, clinical and proprietary forms alike; relevance to outcomes, replicability, safety or interpretation; and non-redundancy with CONSORT, SPIRIT, CONSORT-SPI or TREND. Method neutrality also served a transparency purpose, since the first author developed the BAPNE body percussion method and both authors teach it. Every item is phrased in terms of observable features, a method’s name appears only under the brief-name item and never replaces the description, and the planned consensus stage is to be led by an independent multidisciplinary panel.

Several items stand out for what they would add to current practice. Item 8 requires tempo in beats per minute, whether it was fixed, progressive or self-selected, how it was set, and its range across the programme. Item 14 requires every concurrent task with its type and its level on an explicit ordinal load scale, or a statement that none was used, while item 15 asks what participants were told about priority between rhythm and the concurrent task, without which a dual-task cost cannot be interpreted. Item 28 offers a taxonomy of comparator types, from passive and wait-list controls to attention-matched, active non-rhythmic movement, active rhythmic without body sound, and dismantling designs. Item 29 turns the label “active control” into a checkable claim by requiring evidence of equivalence on seven dimensions, including dose received, provider characteristics, group size, participant expectation reported verbatim, and perceived effort and enjoyment. Item 32 exploits an opportunity specific to body percussion: because the intervention produces sound, timing precision in milliseconds, interpersonal synchrony and bidirectional dual-task cost can be extracted from ordinary audio recordings or wearable sensors.

To test whether the items can be completed from published reports, the authors applied BODYPERC to three purposively selected publications: a two-group quasi-experimental study of selective attention in primary school and a four-arm quasi-experimental study of executive functions and anxiety, both within the BAPNE method, and a phenomenological study of primary-school teachers trained in the KeKeÇa body music approach from Türkiye. The ratings, made by a single rater whose reliability has not been tested, showed that the three reports fully reported five, four and eight items respectively. Only two items were fully reported in all three: the domain of application and the use of voice. Nine items were reported in none of the reports to which they applied, including tempo, auditory context, priority instruction, planned tailoring, the fidelity plan, in-session process measures and adverse events. The authors stress that because the reports were chosen to span designs and traditions rather than sampled to represent the literature, these results show the items can be completed and where these reports fall short, not how often the gaps occur elsewhere. A structured reporting-quality audit, with its protocol provided, is proposed to answer that question.

The checklist’s main limitation is acknowledged plainly: it derives from conceptual analysis by two authors from the same institution, not from expert consensus, and it has not been tested for usability or for the reliability with which different raters extract its items. The classification of items as new, extended or adopted reflects judgements others may not share, and some items rest on provisional evidence, such as the hypothesis that the mechanics of the effector constrain preferred tempo. Following the standard sequence for developing reporting guidelines, four steps remain before BODYPERC could be recommended as a standard: the reporting-quality audit of controlled studies, an international modified Delphi study with a panel spanning music education, dance, music therapy, rehabilitation, ethnomusicology and research methodology, an inter-rater reliability study of item extraction, and an explanation-and-elaboration document alongside registration with the EQUATOR Network.

The broader argument of the paper is that the evidence base for body percussion cannot be synthesised as long as studies are described by the name of a programme rather than by its content. Because the intervention produces sound, its delivery can be verified from recordings of the sessions, an opportunity the authors note few other interventions offer. The checklist is presented as method-neutral by design and provisional by necessity, with its ultimate value depending on whether researchers from many traditions and methods are willing to test it, criticise it and turn it into a shared standard.

Subject of Research: Development of the BODYPERC reporting checklist for body percussion intervention research

Article Title: Describing what the body plays: the BODYPERC checklist for reporting body percussion interventions, a method-neutral extension of TIDieR and CERT

Article References: Romero-Naranjo, F. J., & Gonzalez-de-Benatuil, M. L. (2026). Describing what the body plays: the BODYPERC checklist for reporting body percussion interventions, a method-neutral extension of TIDieR and CERT. Frontiers in Psychology, 17, Article 2004833. https://doi.org/10.3389/fpsyg.2026.2004833

Image Credits: AI Generated

DOI: 10.3389/fpsyg.2026.2004833

Keywords: body percussion, BODYPERC, reporting guidelines, TIDieR, CERT, intervention fidelity, sensorimotor synchronisation, dual-task, rhythm, comparator design, movement science, Frontiers in Psychology