In: Anatomy and Physiology
Muscles of Upper Limb
S. No. |
Muscle |
Origin |
1. |
Pectoralis minor |
anterior surface of ribs 3 – 5 |
2. |
Serratus anterior |
ribs 1 - 8 |
3. |
Subclavius |
rib 1 |
4. |
Trapezius |
occipital bone / spinous processes of C7 – T12 |
5. |
Levator scapulae |
transverse processes of C1 – C4 |
6. |
Rhomboids |
spinous processes of C7 – T5 |
7. |
Pectoralis major |
sternum / clavicle / ribs 1 – 6 |
8. |
Deltoid |
acromion / spine of scapula; lateral third of clavicle |
9. |
Latissimus dorsi |
spinous processes of T7 – L5; ribs 9 – 12; iliac crest of os coxae |
10. |
Subscapularis |
subscapular fossa |
11. |
Supraspinatus |
supraspinous fossa |
12. |
Infraspinatus |
infraspinous fossa |
Muscles of Lower Limb
S. No. |
Muscle |
Origin |
1. |
Iliacus |
Iliac fossa (ilium); crest of os coxa; ala (sacrum) |
2. |
Psoas major |
T12 – L5 vertebrae |
3. |
Tensor fasciae latae |
iliac crest (ilium); anterior superior iliac spine (ilium) |
4. |
Sartorius |
anterior superior iliac spine (ilium) |
5. |
Pectineus |
pubis |
6. |
Adductor brevis |
pubis |
7. |
Adductor longus |
pubis |
8. |
Adductor magnus |
pubis / ischium |
9. |
Gracilis |
pubis / ischium |
10. |
Gluteus maximus |
ilium / sacrum / coccyx |
11. |
Gluteus medius |
Gluteus medius |
12. |
Gluteus minimus |
lateral surface of ilium |