Second Order For Muscles

Front 1

trapezius-- origin

Back 1

occipital bone, ligamentum nuchae, spinous process of C7 - T12

Front 2

trapezius-- insertion

Back 2

clavicle, acromion process and spine of scapula

Front 3

trapezius-- action

Back 3

superior fibers: elevate and superiorly rotate scapula

Front 4

trapezius-- innervation

Back 4

accessory nerve

Front 5

latissimus dorsi-- origin

Back 5

spinous process of T7 - T12; ribs 8 - 12; iliac crest; thoracolumbar fascia

Front 6

latissimus dorsi-- insertion

Back 6

intertubercular groove of humerus

Front 7

latissimus dorsi-- action

Back 7

agonist of arm extension; adducts and medially rotates the arm

Front 8

latissimus dorsi-- innervation

Back 8

thoracodorsal nerve (C6-C8)

Front 9

rhomboid major-- origin

Back 9

spinous process of T2-T5

Front 10

rhomboid major-- insertion

Back 10

medial border of scapula between the spine and the inferior angle

Front 11

rhomboid major-- action

Back 11

retracts(adducts) and elevates scapula; inferiorly rotates scapula

Front 12

rhomboid major-- innervation

Back 12

dorsal scapular nerve (C5)

Front 13

rhomboid minor-- action

Back 13

retracts(adducts) and elevates the scapula; inferiorly rotates scapula

Front 14

levator scapulae-- action

Back 14

elevates scapula; inferiorly rotates scapula (pulls glenoid cavity inferiorly)

Front 15

deltoid-- action

Back 15

anterior fibers-- flexion and medial rotation of the arm

middle fibers-- agonist of arm abduction

posterior fibers-- extends and laterally rotates the arm

Front 16

deltoid-- innervation

Back 16

axillary nerve (C5, C6)

Front 17

teres major-- action

Back 17

extends, medially rotates, and adducts the arm

Front 18

teres minor-- origin

Back 18

upper dorsal lateral border of the scapula

Front 19

teres minor-- insertion

Back 19

greater tubercle of the humerus

Front 20

teres minor-- action

Back 20

adducts and laterally rotates the arm

Front 21

teres minor-- innervation

Back 21

axillary nerve (C5-C6)

Front 22

subscapularis-- origin

Back 22

subscapular fossa of the scapula

Front 23

subscapularis-- insertion

Back 23

lesser tubercle of the humerus

Front 24

subscapularis-- action

Back 24

medially rotates arm

Front 25

subscapularis-- innervation

Back 25

upper and lower subscapular nerves (C5, C6)

Front 26

serratus anterior-- origin

Back 26

ribs 1-8, anterior and superior margins

Front 27

serratus anterior-- insertion

Back 27

anterior surface of the medial border of the scapula

Front 28

serratus anterior-- action

Back 28

agonist in scapula protraction; superiorly rotates scapula; stabilizes scapula

Front 29

serratus anterior-- innervation

Back 29

long thoracic nerve (C5-C7)

Front 30

serratus posterior inferior-- origin

Back 30

spinous process of T1-L2 vertebrae

Front 31

serratus posterior inferior-- insertion

Back 31

inferior borders of ribs 8-12

Front 32

serratus posterior inferior-- action

Back 32

depresses ribs during forced exhalation

Front 33

serratus posterior inferior-- innervation

Back 33

thoracic spinal nerves

Front 34

splenius capitis-- origin

Back 34

ligamentum nochae

Front 35

splenius capitis-- insertion

Back 35

occipital bone and mastoid process of temporal bone

Front 36

splenius capitis-- action

Back 36

unilateral action: turns head to same side

bilateral: extends head/neck

Front 37

splenius capitis-- innervation

Back 37

cervical spinal nerve

Front 38

splenius cervicis-- action

Back 38

unilateral action: turns head to same side

bilateral action: extends head/neck

Front 39

iliocostalis-- insertion

Back 39

angles of ribs; transverse processes of cervical vertebrae

Front 40

iliocostalis -- action

Back 40

extends neck and vertebral column; maintains posture

Front 41

iliocostalis -- innervation

Back 41

cervical, thoracic, and lumbar spinal nerves

Front 42

iliocostalis-- origin

Back 42

tendon from posterior part of Iliac crest, posterior sacrum, and lumbar spinous processes

Front 43

longissimus-- origin

Back 43

tendon from posterior part of Iliac crest, posterior sacrum, and lumbar spinous processes

Front 44

longissimus -- insertion

Back 44

mastoid process of temporal bone and transfers processes of cervical and thoracic vertebrae

Front 45

longissimus -- action

Back 45

extends neck and vertebral column and rotates head; maintains posture

Front 46

longissimus -- innervation

Back 46

cervical and thoracic spinal nerves

Front 47

spinalis -- origin

Back 47

lumbar spinous processes and C7 spinous process

Front 48

spinalis -- insertion

Back 48

spinous process of axis and thoracic vertebrae

Front 49

spinalis -- action

Back 49

extends the neck and vertebral column; maintains posture

Front 50

spinalis -- innervation

Back 50

cervical and thoracic spinal nerves

Front 51

semispinalis -- insertion

Back 51

occipital bone and spinous processes of cervical and thoracic vertebrae

Front 52

semispinalis -- action

Back 52

bilateral action: extends vertebral column/neck

unilateral: laterally flexes vertebral column/neck

Front 53

semispinalis -- innervation

Back 53

cervical and thoracic spinal nerves

Front 54

semispinalis-- origin

Back 54

transverse processes of C4-T12 vertebrae

Front 55

multifidus-- origin

Back 55

sacrum and transverse processes of each vertebrae

Front 56

multifidus-- insertion

Back 56

spinous process of the vertebra located 2-4 segments superior to origin

Front 57

multifidus-- action

Back 57

extend vertebral column; rotates vertebral column toward opposite side

Front 58

multifidus-- innervation

Back 58

cervical, thoracic, and lumbar spinal nerves

Front 59

rotatores-- origin

Back 59

transverse processes of each vertebrae

Front 60

rotatores-- insertion

Back 60

spinous process of immediately superior vertebra

Front 61

rotatores-- action

Back 61

extend and rotate the vertebral column toward opposite side

Front 62

rotatores-- innervation

Back 62

cervical, thoracic, and lumbar spinal nerves

Front 63

oblique capitis superior-- origin

Back 63

transverse process of atlas

Front 64

oblique capitis superior-- insertion

Back 64

inferior nuchal line

Front 65

oblique capitis superior-- action

Back 65

turns head to same side

Front 66

oblique capitis superior-- innervation

Back 66

suboccipital nerve (C1)

Front 67

oblique capitis inferior--action

Back 67

turns head to same side

Front 68

rectus capitis posterior major-- origin

Back 68

spinous process of axis

Front 69

rectus capitis posterior major-- insertion

Back 69

inferior nuchal line of occipital bone

Front 70

rectus capitis posterior major-- action

Back 70

extends head/neck

Front 71

rectus capitis posterior major-- innervation

Back 71

suboccipital nerve (C1)

Front 72

rectus capitis posterior minor-- action

Back 72

extends the head/neck

Front 73

gluteus maximus-- origin

Back 73

Iliac crest, sacrum, coccyx

Front 74

gluteus maximus-- insertion

Back 74

iliotibial tract of fascia lata; linea aspera and gluteal tuberosity of femur

Front 75

gluteus maximus-- action

Back 75

extends and laterally rotates thigh

Front 76

gluteus maximus-- innervation

Back 76

inferior gluteal nerve (L5-S2)

Front 77

piriformis-- action

Back 77

laterally rotates thigh

Front 78

quadratus femoris-- action

Back 78

laterally rotates the thigh at the hip joint

Front 79

obturator internus-- action

Back 79

laterally rotates thigh

Front 80

inferior gemellus-- action

Back 80

laterally rotates thigh

Front 81

infraspinatus-- action

Back 81

adducts and laterally rotates arm

Front 82

infraspinatus-- innervation

Back 82

suprascapular nerve(C5-C6)

Front 83

serratus posterior superior-- action

Back 83

elevates ribs during forced inhalation

Front 84

levator costarum-- action

Back 84

elevates ribs

Front 85

interspinalis-- action

Back 85

extends vertebral cloumn; rotates vertebral cloumn to opposite side

Front 86

intertransversarii-- action

Back 86

lateral flexion of vertebral column

Front 87

gluteus minimus-- action

Back 87

abducts thigh; medially rotates thigh

Front 88

superior gemellus-- action

Back 88

laterally rotates thigh

Front 89

gluteus medius-- origin

Back 89

posterior Iliac crest; lateral surface between posterior and anterior gluteal lines

Front 90

gluteus medius-- insertion

Back 90

greater trochanter of femur

Front 91

gluteus medius-- action

Back 91

abducts thigh; medially rotates thigh

Front 92

gluteus medius-- innervation

Back 92

superior gluteal nerve (L4-S1)

Front 93

supraspinatus-- origin

Back 93

supraspinous fossa of scapula

Front 94

supraspinatus-- insertion

Back 94

greater tubercle of humerus

Front 95

supraspinatus-- action

Back 95

abducts arm

Front 96

supraspinatus-- innervation

Back 96

suprascapular nerve (C5-C6)