1. Muscles of the shoulder and axilla
Prof. Abdulameer Al-Nuaimi

2. medially: serratus anterior and by the ribcage
superiorly: by the outer border of first rib, superior border of scapula, and posterior border of clavicle
medially: serratus anterior and by the ribcage
anteriorly: by the pectoralis major, minor, and subclavius posteriorly: by the subscapularis above, and teres major and latissimus dorsi below
laterally: by the intertubercular sulcus
floor/base: by the skin (visible surface of axilla)
Boundaries of the axilla
subclavvius

3. Muscles connecting the upper limb to the trunk (anterior group)
Contents of the axilla
Axillary lymph nodes and fat
Muscles connecting the upper limb to the trunk (anterior group)

4. Muscles connecting the upper limb to the trunk (anterior group)

5. Muscles connecting the upper limb to the trunk (posterior group)
Trapezius, Levator scapulae, Rhomboid major,
Rhomboid minor, and Latissimus dorsi muscles
Levator scapulae
Tubercle on the
Scapular spine

8. Scapulohumeral muscles
Deltoid , Teres major, and cuff muscles (Supraspinatus, infraspinatus, Subscapularis, and teres minor muscle)
Triseps muscle

9. Circumflex
Scapular artery
Teres maj
Long head Triceps
Dorsal surface of shoulder
Teres major

12. Muscles of the arm

13. Muscles of the arm

14. Lateral head
Long head

15. Muscles of the arm

16. Thank You