The footplate moved up and down so it alternately bent and straightened the ankle, forcing the fibres within the muscles to alternately lengthen and shorten.
踏板上下移动，同时也交替着弯曲伸直着脚踝，迫使肌肉纤维交替着伸长缩短。
The footplate moved up and down so it alternately bent and straightened the ankle, forcing the fibres within the muscles to alternately lengthen and shorten.
踏板上下移动，同时也交替着弯曲伸直着脚踝，迫使肌肉纤维交替着伸长缩短。
应用推荐