Muscles of Thoracic and Shoulder Regions

Question 1

What are the muscles associated with movement of scapula and arm?

Answer 1

Serratus anterior (on ribs), trapezius (back of shoulder)

Question 2

What are the muscles crossing the shoulder joint?

Answer 2

Deltoid, latissimus dorsi (back), pectorals major, teres major, teres minor, infraspinatus (under spine), supraspinatus (above spine), subscapularis (inside scapula)