actin dysfunction syndrome

例句：

1. 1. The runner's performance was affected by the tightness of his actin.
   跑步者的表演受到了他肌腱紧张的影响。
2. 2. The doctor advised him to strengthen his actin for better recovery.
   医生建议他加强肌腱以更好地恢复。
3. 3. Athletes often work on their actin exercises before competitions.
   运动员在比赛前经常进行肌腱锻炼。