Provide the origin and insertion of the levator scapulae and its primary action.

• A. Origin: transverse processes of C1-C4. Insertion: superior angle of the scapula. Action: elevates the scapula and tilts its glenoid cavity inferiorly.
• B. Origin: spinous processes of T1-T4. Insertion: medial border of scapula at spine. Action: retracts scapula.
• C. Origin: clavicle; Insertion: acromion. Action: elevates scapula.
• D. Origin: ribs 1-2; Insertion: medial border of scapula. Action: protracts scapula.

Answer: (A)