1. Twist the abdomen
Lie on the ground with your legs together, with your body straight forward, your arms bent and your hands behind your head. Then bend your right leg properly with your knees, and bend your left leg upward with your knees so that your calves, thighs and thighs are perpendicular to the ground respectively. While lifting the leg, lift the right upper body to the left front, so that the right shoulder is off the ground, the right elbow is as close to the left knee as possible, and the abdomen is compressed. Do it again after changing sides.
sit-up
Put your knees together, lie flat on the ground, fully stretch your back on the ground, bend your elbows, put your hands on your head, and tilt your shoulder blades backwards so that your arms can lean on the ground as much as possible. Exhale at the same time, abdominal force, lift the upper body. When lifting, the chin is retracted, the arm swings forward slightly, so that the elbow touches the knee and the feet keep on the ground. Then lie down slowly, regain your posture and do it back and forth several times.
Lift your shoulders.
Similarly, you should lie down in the preparation posture of sit-ups, with your knees together, your legs at about 90 degrees, your hands on your head, your shoulders off the ground and your chin closed when you exhale, but don't lift your upper body too much, let alone do it. Try to keep your lower back, including your lower back and hips, and keep your feet off the ground. Use the muscles of your upper abdomen to complete the lifting action.
Lift your knees
Lying on the ground, knees together, left arm bent, left hand holding the back of the head, right arm straight, right shoulder pulled up from the ground by the two forces of right hand stretching forward and abdominal pressure, right hand touching the outside of left knee, arm straight, right abdomen especially compressed, which can strengthen the muscle strength of oblique muscles inside and outside abdomen.
Stretch the ground
Bend your arms, clench your fists, support the ground 90 degrees with your forearm, straighten your legs backwards, and support your feet on the ground, slightly apart from your fists. Don't sink, keep your posture parallel to the ground, but be careful not to tilt your hips. Maintaining 1 min can strengthen rectus abdominis and transverse abdominis.
Stretch sideways
Lie on the ground with your whole body on your side, then bend your right elbow, make a fist with your right hand, and straighten your forearm forward to keep your right side off the ground and your feet together. Support your body with the outside of your right foot and forearm, straighten your whole body for 65,438+0 minutes, and do it left and right three times, which can strengthen the upper and lower abdominal muscles and oblique abdominal muscles.
7. Lie on your back and twist your knees
Lie down on your knees, starting from the inner thigh, with your knees and the inner soles of your feet close to each other. Put your hands on your head and open your elbow as far as possible. Lift your shoulders with abdominal strength, keep your back and lower parts, including your back and hips, close to the ground, and swing your knees back and forth from left to right. The weight of your legs puts a load on the internal and external oblique muscles.
8. Bend your knees and lift your legs
Lying on the ground, arms straight, beside you, palms on the ground, knees together, off the ground, legs and thighs, thighs and upper body at 90 degrees. Then the pelvis is rolled up, the thighs are gathered towards the abdomen, almost parallel to the ground, the calves are swinging upwards, and the hips and lower back are also off the ground.
9. Lift your legs and twist your knees.
After lying down, bend your knees and lift your legs so that your calves and thighs are at 90 degrees, and your arms are supported on both sides of your upper body. Twist your knees together to the left upper body, put your thighs close to the upper body, lift your hips and waist, and turn your face to the left. Then, after 90-degree leg lift, twist your knees to the right and face to the right. Repeat this several times to exercise the balance of abdominal muscles.