I'm not an active exerciser and my muscle may be not strong enough for such an intense sport.
我不是一个活跃的运动者，对于那样一项激烈的运动，我的肌肉还不够强壮。
A. Grasp FlexBar (r) exerciser with the injured side bending your elbow and holding the bar parallel to the ground.
用患侧手握住赛乐棒一端，肘部弯曲，赛乐棒保持与地面平行。
Sports injury is closely related with sports events, sports technique, physical condition of exerciser, and ground equipment.
运动损伤与体育运动项目、运动技术动作、锻炼者的身体状况、场地设备等情况有着密切的关系。
Based on the background above, this study classified different exerciser self-schematics among undergraduates with Kendziski's exercise self-schema Questionnaire and conducted two experiments.
基于上述背景，本研究以大学本科生为研究对象，通过外显锻炼者自我图式问卷确定被试的外显锻炼者自我图式类型，并实施两个实验。
Because when tiptoe, the bilateral muscle of calfs can contract and squeeze, will promote the exerciser by the return of lower extremity blood, accelerate blood circulation, prevent varicose veins.
因为踮脚时双侧小腿后部肌肉的收缩挤压，会促进锻炼者下肢血液的回流，加速血液循环，可防止下肢静脉曲张。
Because when tiptoe, the bilateral muscle of calfs can contract and squeeze, will promote the exerciser by the return of lower extremity blood, accelerate blood circulation, prevent varicose veins.
因为踮脚时双侧小腿后部肌肉的收缩挤压，会促进锻炼者下肢血液的回流，加速血液循环，可防止下肢静脉曲张。
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