Right scapula, posterior view

Question 1

The basic triangular shape of the scapula is bound by the ___ angle, the ___ border, the ___ angle, and the lateral border.

Answer 1

superior angle
medial border
inferior angle

Question 2

Muscles attached to these margins position the scapula; there is no direct articulation of the scapula with the vertebrae or rib cage. Located in the angle between the lateral and superior borders, the __ articulates with the humerus of the arm.

Answer 2

glenoid fossa

Question 3

The posterior surface is marked by the prominent ridge called the scapular ___, which is continuous with the ___.

Answer 3

spine

acromion process

Question 4

The clavicle articulates with the acromion process at the medial surface of its anterior projection. The spine divides the posterior face of the scapula into a smaller ____ and a larger ___; both are sites of attachment for numerous muscles of the shoulder and back.

Answer 4

supraspinous fossa

infraspinous fossa