1. 1/3 just sit in the chair, straighten your right foot forward, and stick the sole of your foot against the wall as far as possible. Put your hands on your left thigh and bend your upper body forward slowly 15~30 seconds. Go back to your original sitting position and do it on the other side.

Function: Stretch the muscles of lower back, thigh and calf, and relax the stiff lower body.

2. Sit firmly in the chair, keep your body straight, and put your right foot above your left knee. Press the right knee slowly with the right hand, hold the right ankle with the left hand, and stretch the muscles on the lateral side of the right thigh. Hold for 10 second and then change sides.

Function: relax the lateral thigh muscles and promote blood circulation.