Eight methods of exercising rectus abdominis: sit-ups, belly rolling, supine leg lifting, right-angle support, leg lifting by hanging legs, leg lifting by Roman chair, leg lifting by parallel bars and leg lifting by vertical legs.

Rectus abdominis training;

1, from the development of rectus abdominis strength, knee-bending sit-ups are better than straight leg sit-ups.

2. Different abdominal muscle movements have special effects on the abdominal muscles of rectus abdominis. Sit-ups characterized by far fixation are systematically performed, which reduces the excitation threshold of the proximal abdomen of rectus abdominis.

3. To develop abdominal muscles by lifting legs and abdomen, it is best to lift legs and abdomen or supine posture.

Extended data:

Abdominal roll type:

First, the auxiliary abdomen:

1, lie on your back on the yoga mat, relax your head and grasp the two corners of the yoga mat with both hands.

2. Pull up the yoga mat with both hands when abdomen is closed, and the yoga mat can be replaced with a towel.

3. Keep your waist close to the ground during the whole movement.

Second, 90 belly roll: lying on the mat, knees raised, thighs at 90 degrees to the ground, hands on both sides of the head, getting up, pressing the back to the ground, squeezing the abdominal muscles, stopping at the highest point and recovering.

Third, the belly roll:

1, put your hands on both sides of your hips and hook your toes. Imagine that your hips and legs are moving as a whole.

2. The waist always sticks to the ground, and there should be no tension.

3. Lift your hips off the ground with the strength of your lower abdomen when lifting your legs, and don't touch the ground when you fall.

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