muscles origin and insertions

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created 9 years ago by jessica_dow
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1

Frontalis/Epicranius

O: Galea aponeurotica
I: Subcutaneous tissue of eyebrows

2

Obicularis Oculi

O: lacrimal bone, adjacent regions of frontal bone & maxilla
I: tissue of eyelids

3

Obicularis Oris

O: modiolus
I: submucosa and dermis of lip

4

Zygomaticus Major

O: zygomatic bone
I: superolateral angle of mouth

5

Temporalis

O: temporal bone
I: coronoid process and anterior mandibular ramus

6

Masseter

O: zygomatic arch
I: lateral mandibular ramus and angle

7

sternocleiodmastiod

O: sternum; clavicle
I: mastoid process

8

Scalenes

O: Vertebrae C1-C7
I: Ribs 1 and 2

9

Trapezius

O: occipital bone, ligamentum nuchae, C7, all thoracic vertebrae(T1-T12)
I:scapula and clavicle

10

Diaphragm

O: xiphoid process, ribs 7-12, lumbar vertebrae
I: central tendon of diaphragm

11

external intercostals

O: inferior margins of ribs 1-11
I: superior margin of next lower rib

12

internal intercostals

O: superior margins of ribs 2-12
I: inferior margin of next higher rib

13

external abdominal oblique

O: ribs 5-12
I: anterior iliac crest; pubic symphysis; superior of pubis

14

internal abdominal oblique

O: inguinal ligament, iliac crest, lumbar fascia
I: ribs10-12; costal cartilages 7-10

15

rectus abdominis

O: pubic symphysis; superior margin of pubis
I: xiphoid process; costal cartilages 5-7

16

transverse abdominis

O: inguinal ligament; iliac ccrest, lumbar fascia, costal cartilages 7-12
I: linea alba; publis; aponeurosis of internal oblique

17

erectore spinae

O: iliac crest, thoracic & lumbar vertebrae; thoracolumbar fascia; ribs 3-12
I: mastoid process; cervical & thoracic vertebrae; all ribs

18

semisoinalis thoracis

O: vertebrae T6-T10
I: vertebrae C6-T4

19

Pectoralis Minor

O: ribs 3-5
I: coracoid process [scapula]

20

serratus anterior

O: almost all ribs
I: medial [vertebral] border of scapula

21

levator scapulae

O: vertebrae C1-C4
I: medial border of scapula

22

Rhomboideus major

O: vertebrae T2-T5
I: medial border of scapula

23

Pectoralis Major

O: medial 1/2 clavicle; costal cartilages 1-7
I: humerus

24

latissmus dorsi

O: vertebrae T7-L5; iliac crest; thoracolumbar fascia
I: humerus

25

deltoid

O: scapula & clavicle
I: humerus

26

teres major

O: scapula
I: humerus

27

what muscles make up the rotator cuff?

supraspinatus, infraspinatus, teres minor and subscapularis

28

supraspinatus

O: supraspinous fossa of scapula
I: greater tubercule of humerus

29

infraspinatus

O: infraspinous fossa of scapula
I: greater tubercule of humerus

30

teres minor

O: lateral edge and posterior of scapula
I: greater tubercle of humerus

31

subscapluaris

O: infraspinous fossa of scapula
I: lesser tubercule of humerus

32

brachialis

O: anterior surface of distal humerus
I: coronoid process and tuberosity of ulna

33

biceps brachii

O: long head-superior margin of glenoid cavity; short head- coracoid process
I: tuberosity of radius; fascia of forearm

34

triceps

O: long head-inferior margin of glenoid cavity
lateral head-posterior surface of proximal humerus
medial head-posterior surface of entire humeral shaft
I: olecranon; fascia of forearm

35

flexor carpi radialis

O: medial epicondyle of humerus
I: base of metacarpals II-III

36

flexor carpi ulnaris

O: medial epicondyle of humerus; posterior surface of ulna
I: wrist bones and base of metacarpal V

37

flexor digitorum superficialis

O: medial epicondyle of humerus; superior radius
I: middle phalanges II-V

38

extensor carpi radialis

O: lateral supracondylar ridge of humerus
I:base of metacarpal II

39

extensor digitorum

O: lateral epicondyle of humerus
I: dorsal surfaces of phalanges II-V

40

psoas major

O: vertebrae T12-L5
I: proximal femur

41

gluteus maximus

O: posterior ilium; coccyx; dorsal surface of lower sacrum
I: proximal femur; lateral condyle of tibia via iliotibial band

42

what muscles make up the quads

rectus femoris, vastus lateralis, vastus medialis and vastus intermedius

43

rectus femoris

O: ilium
I: patella; proximal tibia

44

vastus lateralis
vastus medialis
vastus intermedius

O: femur
I: patella; proximal tibia

45

what muscles make up the hamstring muscles

biceps femoris, semitendinosus and semimembranosus

46

biceps femoris

O: long head-ischial tuberosity; short head-femur
I: lateral condyle of tibia & head of fibula

47

semitendinosus

O: ischial tuberosity
I: medial surface of proximal tibia

48

semimembranosus

O: ischial tuberosity
I: medial condyle of tibia and collateral ligament

49

tibialis anterior

O: lateral condyle and lateral margin of proximal tibia; interosseous membrane
I: middle tarsal and metatarsal I

50

gastrocnemius

O: condyles and popletial surface of femur; capsule of knee joint
I: calcaneous

51

soleus

O: posterior surfaces of head of fibula and 1/4 of fibula
I: calcaneus