Step 1: First, lie on your back, unbuckle your belt and relax.

Step 2: Then put your right hand around your navel and your left hand on your chest.

The third step, abdominal breathing, expanding the abdomen when inhaling, contracting the abdomen when exhaling, and keeping the chest still.

Step 4: Bend your legs 90 degrees, relax your whole body, put your feet flat on the bed and keep the rhythm of breathing.

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Precautions:

1, the action must be gentle, and no force should be used.

2. Be sure to be accompanied by your family and pay attention to safety.

Rectus abdominis, located on both sides of the midline of the anterior abdominal wall and embedded in the sheath of rectus abdominis, is a band-shaped abdominal muscle with wide upper part and narrow lower part. The inside of the left and right rectus abdominis is bounded by the abdominal white line and separated by 3-4 transverse tendons (dense connective tissue cords) from top to bottom. Tendon stroke is closely combined with the front wall of rectus abdominis sheath to prevent muscle displacement during contraction. This muscle starts from the superior margin of pubic bone (between pubic tubercle and pubic symphysis) and ends in front of the 5th to 7th costal cartilage and sternal xiphoid process.

In a fixed state, the contraction of muscles on both sides makes the spine bend forward, and the contraction of one side makes the spine bend sideways. During fixation, both sides contract to make pelvis backward. In addition, this muscle has the functions of maintaining abdominal pressure, assisting breathing, defecation and delivery.

Exercise such as supine leg lifting, sit-ups and right-angle support can develop this muscle strength.

The ventral muscle gradually widens backward, reaching the widest in the middle, running in the sheath of rectus abdominis, and gradually narrows at the back, ending in pubic tubercle and pubic crest, accompanied by anterior pubic tendon.