Silinskas Viktoras, GrŪnovas Albinas, Stanislovaitiene Jurate, Buliuolis Alfonsas, Trinkunas Eugenijus, Poderys Jonas
Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania.
J Strength Cond Res. 2017 Jun;31(6):1577-1584. doi: 10.1519/JSC.0000000000001594.
Electrical myostimulation (EMS) method is applied to improve skeletal muscle function. The aim of this study was to evaluate the efficacy of EMS applied to the sole and calf muscles on their strength and on maximal sprint performance. Each of 10 training sessions involved 10 seconds of stimulation and 50 seconds of rest for a total of 10 minutes. After the 10 training sessions, the maximal voluntary contraction (MVC) of right calf muscles increased by 6.0% from 830.0 ± 47.0 N to 878.0 ± 45.3 N (p ≤ 0.05). When EMS was applied to trained athletes, their 10-m sprint performance improved by 2.1% (p ≤ 0.05). In the second part of the study, a 3-week training program with EMS was applied to athletes, which significantly improved their 10-m sprint performance from a standing start by 5.3% and from a running start by 4.7% (p ≤ 0.05). Thus, 10 EMS cycles up to the maximal tolerated intensity applied every other day improved the MVC of foot flexion muscles and 10-m sprint performance from both standing and running starts. Three weeks of EMS training did not affect the intensity of calf muscle blood flow and oxygen saturation at rest. The training program supplemented with 10 EMS sessions produced significantly greater effects on the 10-m sprint performance from both a standing and a running start.
采用电肌肉刺激（EMS）方法来改善骨骼肌功能。本研究的目的是评估将EMS应用于足底和小腿肌肉对其力量以及最大短跑成绩的效果。10次训练中的每次训练都包括10秒的刺激和50秒的休息，共持续10分钟。经过10次训练后，右小腿肌肉的最大自主收缩（MVC）从830.0±47.0牛增加到878.0±45.3牛，增幅为6.0%（p≤0.05）。当将EMS应用于受过训练的运动员时，他们的10米短跑成绩提高了2.1%（p≤0.05）。在研究的第二部分，对运动员实施了为期3周的EMS训练计划，这显著提高了他们从站立起跑的10米短跑成绩5.3%，从跑步起跑的成绩提高了4.7%（p≤0.05）。因此，每隔一天进行10个达到最大耐受强度的EMS周期，可改善足部屈肌的MVC以及站立起跑和跑步起跑的10米短跑成绩。3周的EMS训练对静息状态下小腿肌肉的血流强度和血氧饱和度没有影响。补充10次EMS训练的训练计划对站立起跑和跑步起跑的10米短跑成绩产生了显著更大的影响。
