Tiptoe heel

Stand, feet together, both heels off the ground at the same time, hold 15 seconds and then put it down. This is the first time. Repeat continuously 15~20 times as a group, and do more than 5 groups every day. This kind of exercise can also exercise back muscles.

2?

Straight leg up?

Straighten the knee joint as far as possible, contract the quadriceps femoris in front of the thigh, extend the ankle joint as far as possible (hook the toes), slowly lift the whole lower limb for about 15cm, keep it for 5 seconds, then keep the same posture and slowly lower the straight leg. Do it continuously 15 times as a group, and you can do more than 5 groups every day.

3?

Squatting against the wall?

Standing posture, feet shoulder width away from the wall 10 cm, back against the wall, upper limbs stretched forward, slowly squat down to 45 degrees. Hold for 10 second each time, 30 times in each group, 3 groups every day.