Today we will see how to carry out the exercise of lumbar spine muscle strength after the further exercise of lumbar spine flexibility. 1, elbow support prone position with the elbow as a support to raise the body as far as possible, keep the hips do not leave the ground, maintain 3 seconds, repeat 10 times. 2.Mid-back extension Stretch the chest wall to the ground, stretch as far forward as possible, maintain 3 seconds, repeat 10 times. 3.Primary stretch Upper body into the position shown above, keep the hips touching the ground, keep the lower back and hips relaxed, maintain 3 seconds, repeat 10 times. 4.Rotate the lower back Keep the back flat and feet together, turn the knees to the left and right, maintain 3 seconds, repeat 10 times. 5.Pelvic cocking Make the back flat by tightening the upper abdominal muscles and hips, maintain 3 seconds, repeat 10 times. 6.Bend both knees toward the chest Pull both knees toward the chest and stretch the back. Maintain for 3 seconds, repeat 10 times. 7, angry cat stretching jaw inward and upper abdominal tightening, arch your back, maintain 3 seconds, repeat 10 times. 8.One leg to the chest Pull one knee toward the chest, stretch the lower back and hips, maintain for 3 seconds. Repeat for 10 seconds.