PlayerloadTM and accelerometer-based metrics

Scientific evaluation and implications for athlete monitoring

Dados Bibliográficos

ID13130174
AutoresCraig A Staunton (0000-0001-8023-1498, Mid Sweden University, autor correspondente), Peter Edholm (0000-0002-5401-9255, Halmstad University), Bernardo Neme Ide (0000-0003-4057-0051, Universidade Federal do Triângulo Mineiro), Massimiliano Ditroilo (0000-0003-1021-0362, University College Dublin), Daniel Wundersitz (0000-0002-7316-6373, La Trobe University)
Ano2026
Volume7
Páginas1710693-1710693
Data de publicação2026-01-12
Peer ReviewedSim
Open AccessSim
TipoARTICLE
PeriódicoFrontiers in Sports and Active Living (JOURNAL)
Identificadores do periódicoISSN: 2624-9367 • E-ISSN: 2624-9367
EditoraFrontiers Media (PUBLISHER • CH)
DOI10.3389/fspor.2025.1710693
PMID41602800
OpenAlexW7122456272
IdiomaEN
Referências citadas97

PlayerLoadTM is the most widely used accelerometer-derived metric for quantifying external demands in sport. Its normalized variant, PlayerLoad·min -1 , is also commonly used as a marker of exercise intensity. However, recent literature has raised concerns regarding its scientific foundation, including inconsistent definitions, arbitrary units, opaque filtering methods, questionable theoretical underpinnings, and imprecise mechanical terminology. The construct validity of PlayerLoadTM remains unverified, and emerging evidence suggests weak dose-response relationships with performance outcomes. Although widely adopted in practice, these concerns warrant critical scientific scrutiny. This review critically evaluates the validity and reliability of the PlayerLoadTM metric, highlighting the need for greater transparency and theoretical rigor in wearable athlete monitoring. Furthermore, we present alternative accelerometer-derived metrics, developed from clearer biomechanical and physiological principles, which may offer more robust and interpretable measures for researchers and practitioners

Construct (python library · Construct validity · Reliability (semiconductor · Rigour · Scientific evidence · Transparency (behavior · Warrant · Genetics and Physical Performance · Knee injuries and reconstruction techniques · Sports Performance and Training