Key result
Hamstring eccentric training programs reduced overall lower extremity injuries by 28%, hamstring injuries by 46%, and knee injuries by 34%.
Why the study?
The study aimed to investigate the effects and differences of various hamstring eccentric training protocols for preventing lower limb injuries and to propose a refined training protocol.
Do hamstring eccentric training programs prevent lower extremity injuries in athletes and adolescents?
Systematic Review and Meta-Analysis (n=14,721)
Do hamstring eccentric training programs prevent lower extremity injuries in athletes and adolescents?
Answers are grounded in this paper and cite their sources.
Hamstring eccentric training programs significantly reduce the risk of lower extremity injuries, particularly hamstring and knee injuries, with optimal results seen with twice-weekly sessions over 21-30 weeks in adult athletes.
This systematic review and meta-analysis aims to investigate the effects and differences of various hamstring eccentric training protocols for the prevention of lower limb injuries, and we further propose a more refined hamstring eccentric training protocol for the prevention of lower limb injuries. A literature search for the effects of hamstring eccentric training on lower extremity sports injuries was conducted using the PubMed, Web of Science, and EMBASE databases, and the literature was searched covering the period from the date of the database's creation to 20 August 2022. A meta-analysis of the included literature was performed using R.4.21 for lower extremity injuries, injuries in various parts of the lower extremity, and subgroup analysis for exercise frequency, exercise cycle, and exercise population. A total of 23 randomized controlled trial (RCT) studies were found to be included in the meta-analysis, and 15 of these trials, totaling 14,721 patients, were determined to be included in the overall lower extremity injury prevention effect. The analysis showed that the implementation of a hamstring eccentric training program reduced lower extremity injuries by 28%, and it resulted in a 46% decrease in hamstring injury rate and a 34% decrease in knee injury rate. The subgroup analysis revealed that the frequency of exercise was most significant in the twice-a-week exercise group, that the exercise program was most effective in preventing injuries in the 21-30-week exercise period, and that the program was most effective in preventing injuries in elite athletes and amateur adult athletic populations, compared with adolescents.
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Hu et al. (2023) conducted a systematic review and meta-analysis in Lower extremity sports injuries (n=14,721). Hamstring eccentric training program vs. Control was evaluated on Lower extremity injuries (28% reduction). Hamstring eccentric training programs reduced overall lower extremity injuries by 28%, hamstring injuries by 46%, and knee injuries by 34%.
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