It is believed that eccentric movements induce muscle damage or tears within the muscle belly.

通常认为反常运动会引起肌肉创伤以及肌腹内部撕裂。

When things go wrong with the brain, you only need a very small window in order to induce damage.

当大脑出问题时，你只需要一个非常小的窗口就能引起损伤。