The correct way to exercise abdominal muscles-supine abdominal curl
It is the basic action to practice abdominal muscles. It is easier for beginners to master the strength of abdominal muscles when practicing this action, and this action is also the most effective.
Lie flat on the mat, knees on the ground, hands half clenched, and put them on your ears.
When exhaling, the spine rises from the ground one by one, so that the elbow touches the knee joint as much as possible;
The abdomen rolls up to the highest point, pauses for two seconds, and exhales when the body falls. Fall to the shoulder and land;
Don't stick your head on the ground, get up again, and practice again and again.