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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 |