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- leg extension exercise 伸膝运动
- leg extension and exercise apparatus 腿伸展运动器, 腿部牵引和训练器械
- All subjects performed quadriceps maximal voluntary contraction(MVC) and fastest speed leg extension with different levels(75%,60%,45% 1RM),and 45% fatigue test to all-out. 受试者实施股四头肌最大等长收缩、最快速度不同强度(75%25、60%25、45%251 RM)的伸膝动作及45%25的疲劳测试,记录向心期不同强度的MMG讯号。
- Active trunk extension exercise training had been advocated as an effective treatment for the patients with chronic LBP (CLBP) beside the traditional passive physical modality intervention. 主动式腰部伸肌运动训练已被提倡给予慢性下背痛（CLBP）搭配传统的被动式复健，做为一种有效的治疗。
- Squats are an example of a closed-chain kinetic exercise whereas quadriceps extension exercises on a weight training machine are an open-chain exercise. 闭链运动的练习如下蹲，而在一个重量训练机上做延长股四头肌锻炼是一个开放链运动。
- He tried hard to exercise his stiff leg. 他努力锻炼他那条僵直的腿。
- The dog has nipped the postmen on the leg. 这条狗咬了邮递员的腿。
- He banged into a telephone booth and hurt his leg. 他撞在了一个电话亭上，伤了腿。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- She stabbed him in the leg with a kitchen knife. 她拿菜刀捅伤了他的腿。
- He tried to exercise an undue influence upon his colleagues. 他想对他的同事施加不适当的影响。
- The last leg of our trip was the most tiring. 我们旅行的最后一段行程最累人。
- The dog gave me a nasty nip on the leg. 那狗在我腿上狠咬了一口。
- Fresh air and exercise are good for the health. 新鲜空气和运动有益于健康。
- I felt giddy from the unaccustomed exercise. 因不习惯这种运动，我感到晕眩。
- He had his leg shot off in a battle. 在一次战斗中，他的一条腿给打断了。
- He asked for an extension of his visa. 他申请延长签证有效期。
- The child fell downstairs and pitched on its leg. 这孩子从楼梯滚下，把腿摔坏了。
- The last leg of our trip is the most tiring. 我们旅行的最后一段行程最累人。
- Exercise is profitable in all ages. 运动对于各年龄段都很有利。
