Which of these statements best describes the pectoral girdle and shoulder?

Clavicle- First bone to sta ossifying- 5-6 week of foetal life. Explanationsb. The clavicle most commonly fractures at the junction of its middle and lateral third. c. Subscapularis bursa communicates directly with the joint capsule the gaps between the glenohumeral ligaments. These ligaments reinforce the anterior poion of the joint capsule. d. Subacromial bursa lies beneath the coracoacromial ligament, and its lower layer is attached to the tendon of the supraspinatus. Only if this tendon is torn does the bursa come into communication with the joint. This bursa is commonly injected, both as a therapeutic and diagnostic manoeuvre, when treating supraspinatus tendonitis.