11.4- Structure and Movement of the Glenohumeral Joint 1 Quiz Please sign up for the course before taking this quiz. In this image, the bone labeled “1” is1Glenohumeral Joint a humerus a clavicle a glenoid fossa the sternum a scapula In this image, the red bone labeled “3” is1Glenohumeral Joint a clavicle the sternum a humerus the thoracic cavity a glenoid fossa In this image, the red oval labeled “2” is1Glenohumeral Joint a glenoid fossa a clavicle the sternum the thoracic cavity a humerus The head of the humerus and the glenoid fossa articulate to form1 the scapulothoracic joint the acetabulum the glenohumeral joint the acetabulofemoral joint the sternoclavicular joint