一组动作中肌肉承受负荷的总时间。放慢离心阶段（3-4秒）能增强肌肥大刺激。
The total time a muscle is under load during a set. Slower eccentrics (3-4 sec) increase hypertrophy stimulus.
一组动作中肌肉承受负荷的总时间。放慢离心阶段（3-4秒）能增强肌肥大刺激。
The total time a muscle is under load during a set. Slower eccentrics (3-4 sec) increase hypertrophy stimulus.