Protruding ribs under the chest may be caused by physiological factors, or by pathological factors such as trauma, calcium or vitamin D deficiency, or costochondritis.
1. Physiological factors: excessive weight loss leads to a thin body, and there is no fat and muscle support under the chest, which leads to protruding ribs.
2. Trauma: Trauma to the ribs under the chest, such as impact, causes fractures, resulting in protruding ribs, usually accompanied by pain.
3. Calcium or Vitamin D deficiency: Calcium or Vitamin D deficiency can lead to bone dysplasia and symptoms such as pectus excavatum and rib ectropion, resulting in protruding ribs.
4. Costochondritis: Costochondritis refers to inflammatory lesions occurring in the rib cartilage area, which is mainly related to trauma, viral or bacterial infection and other factors, and can be manifested as swelling and bulging of the rib cartilage area, with local pain and pressure pain and other symptoms.
Rib protrusion under the chest can also be seen in other causes, after excluding physiological factors should be timely medical treatment, the doctor for the cause of treatment.