According to the national students' physical health standards, boys and girls have different performance standards for sit-ups.

Male students: excellent: 45-5 1, good: 39-45, passing: 19-37, failing: 17 or less.

Female students: excellent: 45-49, good: 39-45, passing: 19-37, failing: 17 or less.

1, sit-ups:

Lie on your back, knees bent, slightly open to hip width. Open your arms, bend your elbows, and gently touch your ears with your palm. When inhaling and exhaling, curl up slowly, with your head and shoulders off the ground, your arms open and your back on the ground.

2, leg lifts sit-ups:

Lie on your back on the ground, lift your legs, put your calves on the chair, and then do sit-ups.

3, leg lifts:

Lie on your back, arms straight at your sides, palms down. Lift your legs together, perpendicular to the ground. When inhaling and exhaling, extend your legs upward and lift your hips off the ground.

4. Leg bending and flattering:

Lie on your back, legs together, knees at a 90-degree angle, lift up. Put your arms at your sides. When inhaling and exhaling, your legs continue to stretch upward and your hips are lifted off the ground.

5, folded legs curled up:

Lie on your back with your knees bent, your right leg crossed on your left leg, your elbows bent, and your hands gently placed next to your ears. When inhaling and exhaling, lift your head and shoulders off the ground and curl up.

6, folding leg lateral flexion:

Lie on your back, knees together and fall to the left. Bend your elbows open and put your hands next to your ears. When inhaling and exhaling, the upper body slowly curls up, and the head and shoulders are lifted off the ground.

7, prone limbs up:

Lie on the ground with your hands and feet shoulder-width apart. When inhaling and exhaling, the limbs are lifted at the same time.

8, knees leg lifts sit-ups:

Lie on your back on the ground, with your legs together and your knees raised so that your calves are parallel to the ground. Bend your elbows open and put your hands next to your ears. When inhaling and exhaling, tighten the abdomen and roll up the upper body.

The benefits of sit-ups

Increase the strength of abdominal muscles, and the abdominal muscles exert more force during sit-ups. Long-term exercise is mainly to improve abdominal strength and make muscle groups more developed, which is one of the effective ways to exercise abdominal muscles. Combined with other aerobic exercises, it can play a role in losing weight and bodybuilding, while simple sit-ups can't consume fat better.