Still, if there’s not yet any discernible ceiling on brain-healthy exercise, there is a floor.

不过，如果有助于脑健康的锻炼还不存在明显的上限，那么它至少有一个底线。

youdao

When you are ready to exercise, you can even get a special type of stroller to take your baby jogging or lie on the floor next to your baby to do crunches and push-ups.

二是买一辆特制婴儿车，这样你就可以推着他一起慢跑，或者把孩子放在婴儿车里，你在旁边做仰卧起坐和俯卧撑。

youdao

An exercise for strengtheningarm muscles performed by lying face down with the palms on the floor, and pushing the body up and down with the arms.

俯卧撑锻炼手臂肌肉的运动，运动时脸部朝下卧着并把手掌撑在地面上并且用胳膊推动身体上下运动。

youdao

They extended their lead after U.S. gymnast Joey Hagerty stumbled, then landed heavily, on the floor exercise.

CNN: China secure men's gymnastics victory

Their true worth should mainly be judged not by the eloquence of their set-piece contributions on the floor of the House nor even by such influence as they exercise over great national policies.

ECONOMIST: The golden age of the Commons