He is practicing leg lifts.

他在练抬腿。

Look at your womanly physique in the mirror. Make mental note to do more sit-ups, leg-lifts, etc.

在镜子里看自己的体型，同时做好洗浴准备工作。

Perform quad leg lifts by lying flat on your back on the floor. Bend one knee to a 90-degree angle.

平躺在地板上。一条腿的膝盖弯曲成90度。