I.D.1 Shoulder & Arm: Skeletal Structures: Shoulder, Axilla, Arm, & Elbow: Page 1 of 5

Objectives:

4.1.1 Indicate the structures that form the borders of the axilla.

4.1.2 Identify the muscles that act at the shoulder, scapula and elbow; indicate their primary actions and their innervation.

4.1.3 Predict the functional consequences of weakness or loss of function of each muscle.

Assigned Readings:

Moore's COA: Pages 141-148, 163-176 See blue boxes on pages 153-157 for clinical correlations. See yellow boxes on pages 157-158, 182-183 for "The Bottom Line."

Step 1: Start with the thoracic cage.

🔍 Tap on image to enlarge

	What structure occupies the intertubercular sulcus?
The tendon of the long head of the biceps brachii muscle.