Trunk extension exercise 需加强躯干蜷缩运动
spinal flexion- extension exercise 脊椎曲伸运动
upper back extension exercise 释义上背部伸展操练
quadriceps extension exercise 股四头肌伸展练习 ; 释义股四头肌伸展练习
back extension exercise 背部伸张练习
leg extension exercise 伸膝运动
extreme back extension exercise 背部极度伸张练习
dorso-extension and ventro-flexion exercise 上翘下钩势
leg extension and exercise apparatus 腿伸展运动器
extension exercise
扩展练习
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In contrast to D2 Flexion, the D2 Extension exercise with Thera-Band had the lowest levels of upper trapezius activation.
和D2屈曲做对比，赛乐阻力d2伸展练习对上束斜方肌的活化作用最小。
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