More in-depth myotomes Flashcards
C7, C8
Nerve:
- Radial (posterior interosseus)
Muscles:
All the extensors
- extensor digitorum
- extensor indicis
- extensor digiti minimi
Action:
- finger extension
- thumb abduction in plane palm
C8, T1 - Ulnar nerve
Muscles:
- dorsal interosseus
- abductor digiti minimi
- adductor pollicis
- palmar interossei
Action:
- finger abduction
- finger and thumb adduction
C8, T1 - Median nerve
Muscles:
- Opponens pollicis
- abductor pollicis brevis
Action:
- thumb opposition
- thumb abduction
C7, C8 - Median nerve
Muscles:
- flexor digitorum profundus to 2-3 digits
Action:
- flexion @ DIP joints - digits 2,3
C7, C8 - Ulnar nerve
Muscles:
- flexor digitorum profundus to digits 4-5
Action:
- flexion @ DIP joints - digits 4-5
C6, C7
Nerve:
- median nerve
Muscle:
- flexor carpi radialis
Action:
- wrist flexion and hand abduction
C7, C8, T1
Nerve:
- ulnar nerve
Muscles:
- flexor carpi ulnaris
Action:
- wrist flexion and hand adduction
C5, C6
Nerve:
- radial nerve
- musculocutaneous nerve
- axillary
Muscles:
- extensor carpi radialis (radialis)
- biceps (musculocutaneous)
- brachialis (musculocutaneous)
- deltoid (musculo….)
Action:
- wrist extension and hand abduction
- elbow flexion
- arm abduction at shoulder
C6, C7, C8
Nerve:
- radial nerve
Muscle:
- triceps
Action:
- elbow extension
L1, L2, L3, L4
Nerves:
- femoral nerve
- L1-L3 nerve roots
Muscles:
- Iliopsoas
Action:
- Hip flexion
L5, S1, S2 - Inferior gluteal nerve
Muscles:
- gluteus maximus
Action:
- hip extension
L2, L3, L4
Nerves:
- femoral nerve
Muscles:
- quadriceps
Action:
- knee extension
L5, S1, S2 - Sciatic nerve
Muscles:
- hamstrings
Action: knee flexion
L4, L5, S1
Nerves:
- superior gluteal nerve
Muscles:
- gluteus medius
- glute minimus
- TFL
Action:
- leg adduction
L2, L3, L4
Nerve:
- obturator nerve
Muscles:
- obturator externus
- adductor longus - magnus - brevis
- gracilis
Action:
- leg adduction
