Effect of power training on physical functional performance of patients with Parkinson’s disease: A systematic review and meta-analysis of randomized controlled trials

Samuel Brito de Almeida, Emmanuelle Silva Tavares Sobreira, Charles Phillipe de Lucena Alves, Danielle Pessoa Lima, Janine de Carvalho Bonfadini, Manoel Alves Sobreira-Neto, Thiago Holanda Freitas, Simony Lira do Nascimento and Pedro Braga-Neto

PLOS ONE, 2025, vol. 20, issue 2, 1-19

Abstract: Introduction: Parkinson’s disease (PD) is becoming more prevalent, highlighting the urgency of developing treatments to minimize its effects on muscular strength and physical function. Power training (PT) is a potential approach that may improve endurance and muscular power, essential for maintaining functional ability in PD. Objective: To compare the effect of PT versus control or other physical activity (PA) interventions on physical functional performance (PFP) in PD patients. Methods: We searched PubMed, MEDLINE, Embase, LILACS, PEDro, Cochrane Library, and Scopus. Inclusion criteria were randomized controlled trials comparing PT to a control group or another PA intervention in PD patients. PFP was the primary outcome. Pooled effect estimates were calculated from baseline to endpoint scores. Results: From 21,558 results, four studies were included in the meta-analysis due to their moderate to high methodological quality. PT showed no significant effect on PFP outcomes compared to control groups (TUG: ES, −0.281; 95% CI, −0.693 to 0.130; P = 0.180; I2:0%; PWS: ES, 0.748; 95% CI, −0.768 to 2.265; P = 0.333; I2:88%; FWS: ES, 0.420; 95% CI, −0.950 to 1.791; P = 0.548; I2:83%; SLS: ES, 0.161; 95% CI, −0.332 to 0.655; P = 0.521; I2:0%). No differences were found between PT and alternative interventions (TUG: ES, 0.132; 95% CI, −0.394 to 0.657; P = 0.623; I2:0%; BBA: ES, 0.057; 95% CI, −0.430 to 0.544; P = 0.820; I2:0%). Conclusion: PT did not improve PFP compared to control or alternative interventions. More studies are needed to explore PT effects (e.g., higher volume, intensity, and combined types) in PD patients.

Date: 2025
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DOI: 10.1371/journal.pone.0314058

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