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Electrical Stimulation to the Infraspinatus on Hypertrophy and Strength of the Shoulder.
International Journal of Sports Medicine ( IF 2.0 ) Pub Date : 2018-08-17 , DOI: 10.1055/s-0044-102129
Ko Yanase 1 , Satoshi Hasegawa 1 , Masatoshi Nakamura 2 , Taishi Yamauchi 1 , Satoru Nishishita 1 , Kojiro Araki 1 , Jun Umehara 1 , Kosuke Fujita 1 , Ikuya Sato 1 , Satoko Ibuki 1 , Noriaki Ichihashi 1
Affiliation  

The purpose of this study was to determine the effects of six weeks of electrical muscle stimulation (EMS) on the strength and muscle mass of the infraspinatus muscle. Twenty non-athletes (age: 24±3.4 years, height: 171.5±5.6 cm, mass: 65.2±8.1 kg) were randomly classified into two groups, an electrical muscle stimulation group (EMS group) and a control group (CON group). The EMS group completed a total of 18 20- min EMS sessions, three times per week over a period of six weeks, while the CON group received no intervention. The muscle thicknesses of both the infraspinatus and the deltoid muscles, the cross-sectional area (CSA) of the whole infraspinatus muscle, and the isometric and isokinetic peak torques of shoulder external rotations were measured before and after intervention. It was found that the muscle thickness of the superior infraspinatus (Pre 0.92±0.19 cm2, Post 0.99±0.16 cm2, p=0.02) and the CSA (Pre 10.99±1.32 cm2, Post 11.99±1.02 cm2, p=0.03) significantly increased in the EMS group. This study demonstrated that EMS of the infraspinatus muscle over a period of six weeks resulted in hypertrophy of the infraspinatus muscle.

中文翻译:

电刺激下鼻肌肥大和肩膀的力量。

这项研究的目的是确定六周的电刺激肌肉(EMS)对鼻下肌力量和肌肉质量的影响。将二十名非运动员(年龄:24±3.4岁,身高:171.5±5.6 cm,体重:65.2±8.1 kg)随机分为两组,即电刺激肌肉组(EMS组)和对照组(CON组) 。EMS组总共完成了18次20分钟的EMS会话,在六周的时间内每周进行3次,而CON组未接受任何干预。在干预前后,分别测量了腓肠肌和三角肌的肌肉厚度,整个腓肠肌的横截面积(CSA)以及肩部外旋的等距和等速峰值扭矩。结果发现上睑下肌(Pre 0.92±0.19 cm2,Post 0.99±0.16 cm2,p = 0.02)和CSA(Pre 10.99±1.32 cm2,11.99±1.02 cm2,p = 0.03)的肌肉厚度明显增加在EMS组中。这项研究表明,在6周的时间内,鼻下肌的EMS导致了鼻下肌的肥大。
更新日期:2019-11-01
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