Sternocostal_joints
The sternocostal joints, also known as sternochondral joints or costosternal articulations, are synovial plane joints of the costal cartilages of the true ribs with the sternum.[1] The only exception is the first rib, which has a synchondrosis joint since the cartilage is directly united with the sternum.[1] The sternocostal joints are important for thoracic wall mobility.[2]
The ligaments connecting them are: