Question

which direction is the convex articular surface of the proximal humerus primarily oriented?
○ anteriorly, laterally, and inferiorly
○ posteriorly, medially, and superiorly
○ anteriorly, medially, and superiorly
○ posteriorly, laterally, and inferiorly

Explanation:

The convex articular surface of the proximal humerus (the humeral head) is oriented to articulate with the glenoid fossa of the scapula. Its anatomical orientation is anteriorly, medially, and superiorly to fit the shallow, forward-facing glenoid cavity.

Answer:

Anteriorly, medially, and superiorly