Bodily exercise, when compulsory, does no harm to the body; but knowledge which is acquired under compulsion obtains no hold on the mind.

体育运动如果是出于强迫，不会有害于身体，但在强迫之下获得的知识，不能保留在头脑中。

youdao

This includes compulsory physical exercise at 6.30am, a ban on alcohol and smoking, and confinement to campus at weekends except for those with written permission to venture out.

这些规定有每天必须6：30起来做晨练，禁止喝酒抽烟，周末也除了拿到许可的人外都不得外出。

youdao

They have to, not only because those are compulsory skills in floor exercise, but because gymnasts can't possibly perform at a top level without proper flexibility.

他们必须这样做，不只是因为这是地板运动的必要动作，是因为没有好的柔软度就没办法成为顶尖的体操选手。

youdao

The British Medical Association is also concerned that making cycle helmets compulsory would put many people off cycling, and that the resulting lack of exercise would be more dangerous than the risk of head injuries.

BBC: Cyclist