| Muscle |
 |
|
| Origin |
 |
|
| Insertion |
 |
|
| Action |
 |
|
| Pectoralis minor |
sternal ends of ribs 3-5 |
coracoid process |
depresses& abducts scapula |
| Serratus anterior |
ribs 1-8/9 |
medial border of scapula |
depresses & abducts scapula |
| trapezius |
occipital bone & spinous process's of c7 & T1-12 |
clavicle, spine of scapula, acromion process |
extends neck/head; elevates, upwardly rotates & adducts scapula |
| Levator scapulae |
c1-4 |
medial border of scapula |
elevates and adducts scapula |
| Rhomboid major |
SP's of T 2-5 |
medial border of scapula |
elevates and adducts scapula |
| subclavius |
R1 |
inferior border of clavicle |
depresses clavicle |
| Rhomboid minor |
Sp's c7 & T2 |
medial border of scapula |
elevates and adducts scapula |