Posterior view showing the relations between teres major muscle (in red) and the other muscles connecting the upper extremity to the vertebral column.
Muscles on the dorsum of the scapula, and the Triceps brachii muscle:
3. Latissimus dorsi muscle
5. Teres major muscle
6. Teres minor muscle
7. Supraspinatus muscle
8. Infraspinatus muscle
13. long head of Triceps brachii muscle