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Unit 7:5
Major Muscles of the Body
| Sternocleidomastoid (location) | side of neck |
| Trapezius (location) | upper back and neck |
| Deltoid (location) | shoulder |
| Sternocleidomastoid (function) | turns and flexes head |
| Biceps brachii (location) | upper arm |
| Triceps (location) | upper arm |
| Pectoralis major (location) | upper chest |
| Intercostals (location) | between the ribs |
| Rectus abdominis (location) | ribs to pubis (pelvis) |
| Latissimus dorsi (location) | spine around to chest |
| Gluteus masimus (location) | buttocks |
| Sartorius (location) | front of thigh |
| Quadriceps femoris (location) | front of thigh |
| Tibialis anterior (location) | front of lower leg |
| Gastrocnemius (location) | back of lower leg |
| Trapezius (function) | extends head, moves shoulder |
| Deltoid (function) | abducts arm, injection site |
| Biceps brachii (function) | flexes lower ares and supinates hand |
| Triceps brachii (function) | extends and adducts lower arm |
| Pectoralis major (function) | adducts and flexes upper arm |
| Intercostals (function) | moves ribs for breathing |
| Rectus abdominis (function) | compresses abdomen and flexes vertebral column |
| Latissimus dorsi (function) | extends and adducts upper arm |
| Gluteus maximus (location) | extends and rotates thigh, injection site |
| Sartorius (function) | abducts thigh, flexes leg |
| Quadriceps femoris (function) | extends leg, injection site |
| Tibialis anterior (function) | flexes and inverts foot |
| Gastrocnemius (function) | flexes and supinates sole of the foot |