In most bicep exercises, you either do both arms at the same time, or the non-working arm is resting while the working arm is in motion. 从你的手肘部位开始，两手握着哑铃，曲臂使哑铃处于向上的方向以做一个标准的肱二头肌训练。
A pedal is pivotally secured to the pivot link and includes an arm. 踏板可转动地固定于转动连杆上，并包括一个臂。
A study of the dynamic stability of an eccentric slider crank mechanism with elastic effects at both joints of the coupler is presented. 讨论了连杆接头处具有弹性效应的偏心曲柄滑块机构的动态稳定性。
