This document places the muscles under the nerve that provides its innervation. The origin, insertion and function of each muscle is listed. the myotomes are also covered in this document. This is the optimal document with all of you notes in one place. The best time saver for 1.4 anatomy
,Contents
Radialis. ................................................................................................................................................... 5
m. triceps brachii ............................................................................................................................ 5
m. anconaeus.................................................................................................................................. 5
m. supinator ................................................................................................................................... 5
m. brachioradialis ........................................................................................................................... 6
m. extensor carpi radialis longus ................................................................................................... 6
m. extensor carpi radialis brevis .................................................................................................... 6
m. extensor digitorum. .................................................................................................................. 6
extensor digiti minimi .................................................................................................................... 6
m. extensor carpi ulnaris................................................................................................................ 6
m. extensor pollicis longus............................................................................................................. 7
m. extensor pollicis brevis ............................................................................................................. 7
m. extensor indicis ......................................................................................................................... 7
m. abductor pollicis longus ............................................................................................................ 7
n. musculocutaneous .............................................................................................................................. 8
m. coracobrachialis ........................................................................................................................ 8
m. biceps brachii............................................................................................................................. 8
m. brachialis ................................................................................................................................... 8
n. axilaris ................................................................................................................................................. 9
m. deltoideus .................................................................................................................................. 9
m. teres minor ................................................................................................................................ 9
Pectoralis medialis and Lateralis ........................................................................................................... 10
The nerve ...................................................................................................................................... 10
Palpation Skin Areas Innervated ................................................................................................... 10
Pectoralis major............................................................................................................................ 10
Pectoralis Minor. .......................................................................................................................... 10
Subscapularis ........................................................................................................................................ 11
The nerve ...................................................................................................................................... 11
Palpation of Skin Areas Innervated ............................................................................................... 11
M Subscapularis ........................................................................................................................... 11
Teres Major................................................................................................................................... 11
Thoracodorsalis ..................................................................................................................................... 12
Muscles Innervated........................................................................................................................... 12
Latissimus Dorsi ............................................................................................................................ 12
n. medianus........................................................................................................................................... 13
pg. 1
, m. pronator teres ......................................................................................................................... 13
m. pronator quadrates ................................................................................................................. 13
m. palmaris longus ....................................................................................................................... 13
m. flexor carpi radialis .................................................................................................................. 13
m. flexor pollicis longus ............................................................................................................... 13
m. Flexor digitorum profundus (1/2) ........................................................................................... 14
m. flexor digitorum superficialis .................................................................................................. 14
m. abductor pollicis brevis ........................................................................................................... 14
m. opponens pollicis .................................................................................................................... 14
m. flexor pollicis brevis (caput superficial) .................................................................................. 14
mm. lumbricals I and II ................................................................................................................. 15
n. ulnaris................................................................................................................................................ 16
m. flexor carpi ulnaris .................................................................................................................. 16
m. flexor digitorum profundus (1/2) ........................................................................................... 16
m. palmaris brevis ........................................................................................................................ 16
m. flexor digiti minimi .................................................................................................................. 16
m. abductor digiti minimi............................................................................................................. 16
m. opponens digiti minimi ........................................................................................................... 17
m. adductor pollicis ...................................................................................................................... 17
m. flexor pollicis brevis (caput profundus) .................................................................................. 17
mm. interossei palmaris............................................................................................................... 17
mm. lumbricals III and IV ............................................................................................................. 17
n. dorsalis scapulae ............................................................................................................................... 18
m. levator scapulae ...................................................................................................................... 18
m. rhomboideus major................................................................................................................. 18
m. rhomboideus minor ................................................................................................................ 18
n. supraspinatus .................................................................................................................................... 19
m. supraspinatus .......................................................................................................................... 19
m. infraspinatus............................................................................................................................ 19
n. thoracicus longus .............................................................................................................................. 20
m. serratus anterior ..................................................................................................................... 20
n. subclavius .......................................................................................................................................... 21
m. subclavius ................................................................................................................................ 21
n. femoralis ........................................................................................................................................... 22
m. iliopsoas ................................................................................................................................... 22
m. pectineus ................................................................................................................................. 22
pg. 2
, m. sartorius................................................................................................................................... 22
m. quadriceps femoris.................................................................................................................. 23
n. obturatorius ...................................................................................................................................... 24
m. obturatorius externus (not palpable) ..................................................................................... 24
m. adductor longus ...................................................................................................................... 24
m. adductor brevis (not palpable) ............................................................................................... 24
m. gracilis ...................................................................................................................................... 24
m. pectineus ................................................................................................................................. 24
m. adductor magnus .................................................................................................................... 25
n. ischiatic ............................................................................................................................................. 25
m. semitendinosus ....................................................................................................................... 25
m. semimembranosus .................................................................................................................. 25
m. biceps femoris ......................................................................................................................... 26
m. adductor magnus .................................................................................................................... 26
n. gluteus superior ................................................................................................................................ 27
m. gluteus Medius ........................................................................................................................ 27
m. gluteus minimus (not palpable) .............................................................................................. 27
m. tensor fasciae latae ................................................................................................................. 27
n. gluteus inferior.................................................................................................................................. 28
m. gluteus maximus ..................................................................................................................... 28
n.peroneus communis superficialis .............................................................................................. 29
m. peroneus longus ...................................................................................................................... 29
m. peroneus brevis ....................................................................................................................... 29
n. peroneus communis profundus ................................................................................................ 30
m. tibialis anterior ........................................................................................................................ 30
m. extensor digitorum longus ...................................................................................................... 30
m. extensor digitorum brevis ....................................................................................................... 30
m. extensor hallucis longus .......................................................................................................... 30
n. tibialis ........................................................................................................................................ 31
m. triceps surae ............................................................................................................................ 31
m. plantaris ................................................................................................................................... 31
m. popliteus .................................................................................................................................. 31
m. flexor digitorum longus ........................................................................................................... 31
m. flexor hallucis longus............................................................................................................... 32
n. plantaris medialis ...................................................................................................................... 33
m. abductor hallucis ..................................................................................................................... 33
pg. 3
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