Rib ectropion can be self-tested, a common method is to extend the arm upward when lying on the back or standing, observe whether the ribs are obviously protruding and exceeding the edge of the body, if more than the probability is rib ectropion. In addition, you can sit on your knees, straighten your back, put one hand on the lower part of your chest and the other hand on your heart, and stroke your ribs when you inhale, if the ribs turn upward or protrude, it is also likely to be rib ectropion. The causes of rib ectropion involve dysplasia, heredity, improper breathing patterns, etc. It manifests itself as breathlessness, back pain, rib pain, etc. Rib ectropion can be corrected through yoga and wearing protective gears. Self-measurement of rib ectropion is relatively simple, but it is not 100% accurate. If the ribs are obviously protruding and accompanied by pain, it is recommended to go to the hospital in a timely manner to clarify the cause of the disease and target treatment.