1, kneeling push-ups. Kneel on a mat or towel. Put your arms in front and support yourself with your hands. Tighten the lower abdomen while lifting the upper body and take a deep breath. Repeat 10 times.

2. Lie on your back and lift your legs. Lie on your back on the mat with your hands on your sides or under your hips. Legs up, hips off the ground. Repeat 10 times.

3. Hip lifting exercise. Lie on your back on the mat, put your hands at your sides, bend your knees and land your feet. Lift your hips so that only your shoulders and feet touch the ground. Repeat 10 times. This action can also exercise your hip muscles. )

4. Sit-ups by bike. Lie on your back on the mat with your hands behind your head. Stretch one leg, bend the other leg, lift it to the chest, and touch the bent knee with the opposite elbow. Repeat the same action with the other pair of arms and legs 10 times.

Repeat the whole set of abdominal movements twice. In order to avoid injury, you should do some stretching exercises in advance to relax your muscles.