Skeletal Muscle Origins, Upper Body

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created 6 years ago by hoovemaa
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human anatomy
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1

frontalis

epicranial process

2

zygomaticus

zygomatic bone

3

masseter

zygomatic arch/zygomatic bone

4

temporalis

temporal fossa

5

sternocleidomastoid

manubrium of sternum, and medial clavicle

6

scalenes

transverse process of cervical vertebrae

7

splenius

ligamentum nuchae, spinous process of C7-T6 vertebrae

8

iliocostalis

iliac crest and lower 6 ribs

9

longissimus

transverse process of cervical, thoracic, and lumbar vertebrae

10

spinalis

spines of upper lumbar and lower thoracic vertebrae

11

external intercostals

inferior border of rib above

12

internal intercostals

superior border of rib below

13

diaphragm

inferior rib cage and sternum

14

external oblique

outer surfaces of lower 8 ribs

15

internal oblique

lumbar fascia, iliac crest, inguinal ligament

16

trnasversus abdominus

inguinal ligament, lumbar fascia, ribs, iliac crest

17

rectus abdominus

pubic crest and pubic symphasis

18

pectoralis major

nterior surface of ribs 3-5

19

serratus anterior

muscle slips from ribs 1-8

20

trapezius

occipital bone and spines of C7, thoracic vertebrae

21

levator scapulae

transverse prcoess of C1-C4

22

rhomboids (major and minor)

spinous process of C7-T5

23

deltoid (shoulder muscle)

lateral clavicle, acromion and spine

24

latissimus dorsi

indirect to spines of lower 6 thoracic vertebrae, lumbar vertebrae, lower 3-4 ribs, iliac crest

25

teres major

posterio scapula at inferior angle

26

subscapularis (rotator cuff)

subscapular fossa of scapula

27

supraspinatus

supraspinous fossa of scapula

28

infraspinatus

infraspinous fossa of scapula

29

teres minor

lateral border of dorsal scapula

30

trciep brachii

glenoid fossa of scapula, posterior shaft of humerus

31

bicep brachii

coracoid process, upper ridge of glenoid cavity

32

brachialis

anterior surface of distal humerus

33

brachioradials

lateral supercondylar ridge of humerus

34

pronator teres

medial epicondyle of humerus, coronoid procss of ulna

35

flexor carpi raialis

medial epicondyle of humerus

36

palmaris longus

medial epicondyle of humerus

37

flexor carpi ulnersis

medial epicondyle of humerus, olecranon and posterior surface of ulna

38

flexor digitorum superficialis

medial epicondyle of humerus, coronoid process of ulna, shaft of radius

39

flexor pollicis longus (thumb)

anterior radius, interossesous membrane

40

flexor digitorum profundus

anteromedial surface of ulna, inerossesous membrane

41

extensor carpi radialis longus

lateral supracondylar ridge of humerus

42

extensor carpi radialis brevis

laterla epicondyle of humerus

43

extensor digitorum

lateral epicondyle of humerus

44

extensor carpi ulnaris

lateral epicondyle of humerus and posterior ulna