摘要

Context: Athletes must maintain their peak state of strength. Previous studies have investigated the effect of low-level laser therapy (LLLT) on muscular performance. A previous systematic review and meta-analysis has investigated this issue in healthy participants but not in physically active athletes. Objective: To investigate whether LLLT can improve muscular performance and soreness recovery in athletes. Data Sources: PubMed, EMBASE, and Cochrane Library. Study Selection: Published randomized controlled trials and crossover studies till December 2020. Study Design: Systematic review and meta-analysis. Level of Evidence: Level 3. Data Extraction: Assessment of study quality was rated using the risk of bias assessment method for randomized trials (Cochrane Handbook for Systematic Reviews of Interventions). Results: A total of 24 studies were included. LLLT application before exercise significantly improved lower-limb muscle strength in 24-hour, 48-hour, 96-hour, and 8-week follow-up groups. Furthermore, decreased soreness index, serum creatine kinase concentrations, interleukin-6, and thiobarbituric acid reactive substance concentrations and a trend toward the improvement of contract repetition number and VO2 kinetic outcomes were observed. Conclusion: Although a definite therapeutic effect of LLLT is yet to be established, the current evidence supports that LLLT use improves muscular performance in physically active athletes. Additional trials with large sample sizes and robust design should be conducted before strong recommendations are made.

原文英語
期刊Sports Health
DOIs
出版狀態接受/付印 - 2021

ASJC Scopus subject areas

  • 骨科和運動醫學
  • 物理治療、運動療法和康復

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