Humpback is a common spinal deformation, which is a morphological change caused by thoracic kyphosis. Mainly due to back muscle weakness, relaxation and weakness. The purpose of corrective exercise is to strengthen the extensor dorsi and stretch the anterior thoracic ligament. ?

1, people's spine arches backward, which is mostly caused by old spinal deformation, sitting posture or rickets, ankylosing spondylitis and other diseases. ?

2. Camels. ?

3. Luo Guoyao (commonly known as the countryside).