Shoulder Anatomy Quiz

The glenohumeral joint is the most mobile and least stable joint in the human body.

• True

• False

The acromioclavicular joint is a hinge joint that allows flexion and extension of the clavicle.

• True

• False

The sternoclavicular joint is the only true bony connection between the upper limb and the axial skeleton.

• True

• False

The coracoclavicular ligament consists of the conoid and trapezoid ligaments.

• True

• False

The subscapularis muscle is responsible for external rotation of the shoulder.

• True

• False

The supraspinatus initiates the first 15 degrees of shoulder abduction.

• True

• False

The infraspinatus and teres minor muscles are both lateral rotators of the humerus.

• True

• False

The coracoacromial ligament helps prevent inferior displacement of the humeral head.

• True

• False

The glenoid labrum deepens the glenoid fossa to improve joint stability.

• True

• False

The acromion process is part of the clavicle.

• True

• False