我大约每星期一次做腿部运动，而且绝大部分的腿部训练包括芭蕾舞步和瑜伽伸展运动。
I do exercises for legs approximately once a week and most of my leg workouts include ballet movements and yoga stretching.
另有一架摄像机测量步伐的长度和腿部运动的角度。
装置称为滑翔机6000允许常务委员会和一些腿部运动的人。
A device called a Glider 6000 allows both standing and some leg movements for people.
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