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The quadricep muscles are commonly targeted for electrical muscle stimulation (EMS), while the gastrocnemius muscles, despite their crucial role in push-off, are often overlooked. The purpose was to investigate whether incorporating EMS into gastrocnemius training could optimize athletic performance. Two groups of athletes received regular gastrocnemius training (Training-only) or combined EMS into training (Training + EMS) over four weeks. The sprint time, jump height, take-off ground reaction forces, ankle and knee joint power, and electromyography were assessed before and after the training sessions. Two-way ANOVA with repeated measures was performed to determine any significant effect. Both training-only and training + EMS groups showed increased jump height and faster sprint time after training (Formula: see text). The participants in the two groups also generated higher take-off force and larger ankle and knee powers after training (Formula: see text). EMS adds no significant improvement in performance outcomes (Formula: see text). This study implicates that both training-only and training + EMS can enhance sports performance and take-off force and lower-limb joint powers of the athletes, but the use of EMS can only induce minimal added improvements on gastrocnemius training.
Yang et al. (Fri,) studied this question.
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