Muscles Flashcards Preview

FTM Anatomy Group > Muscles > Flashcards

Flashcards in Muscles Deck (136):
1

Occipitofrontalis

Look of surprise, FACIAL NERVE VII

2

Orbicularis oculi

closes eye FACIAL NERVE VII

3

Orbicularis oris

closes and protrudes lips, shapes lips during speech,FACIAL NERVE VII

4

Zygomaticus major

smiles, FACIAL NERVE VII

5

Zygomaticus minor

Raises upper lip, snarl, FACIAL NERVE VII

6

Levator labii superioris

Raises upper lip, snarl('s' in 'superior' stands for 'snarl'), FACIAL NERVE VII

7

Levator anguli oris

opens mouth, lateral & inerior (deep), FACIAL NERVE VII

8

Depressor labii inferioris

Depresses lower lips (deep to angui oris-kory's face pout), FACIAL NERVE VII

9

Depressor anguli oris

opens mouth, lateral & inerior, FACIAL NERVE VII

10

Buccinator

whistling, blowig, sucking (sucking pookinator's cl**t), FACIAL NERVE VII

11

Risorious

grimacing, lateral, 'reins of horse', FACIAL NERVE VII

12

Mentalis

pouting, FACIAL NERVE VII

13

Platysma

depresses mandible +normal pouts, FACIAL NERVE VII

14

Masseter

Elevates Mandible, closes mouth,Mandibular Division of Trigeminal Nerve (V)

15

Temporalis

Elevates/Retracts Mandible, Mandibular Division of Trigeminal Nerve (V)

16

Medial pterygoid

Mandible side-side movement, protrudes, Mandibular Division of Trigeminal Nerve (V)

17

Lateral pterygoid

Protracts madible, depresses mandible as in opening mouth, Mandibular Division of Trigeminal Nerve (V)

18

Digastric

Elevates hyoid bone, RMA:depresses mandible/opens mouth, *Anterior-mandibular division of TRIGEMINAL, *Posterior- FACIAL NERVE VII)

19

Stylohyoid

elevates hyoid bone and draws it posteriorly, Facial Nerve (VII)

20

Mylohyoid

elevates hyoid and floor of mouth, depresses mandible, Mandibular division of Trigeminal (V)

21

Omohyoid

depresses hyoid bone, C1-C3

22

Sternothyroid

depresses thyroid cartilage of layrnx, C1-C3

23

Thyrohyoid

elevates thyroid cartilage, C1-C2

24

Sternocleidomastoid

Laterally rotate and flex head to opposite side of contracting muscle, C2-C3, motor supple? =accessory nerve IX

25

Splenis capitus

bilateral=extend head, unilaterally=laterally flex,rotate head to opposite side as contracting muscle, Middle cervical nerves

26

Splenis cervicis

same as above (connects lower than head, thin, deep), inferior cervical nerves, inferior cervical nerves

27

Semispinalis capitus

bilateral= extend head, unilateral =opposite contracting muscle(right next to spine), cervical and thoracic spinal nerves.

28

Spinalis

extend vertebral column + extend head, cervical and superior thoracic nerves

29

Longissimus

Extend trunk, laterally flex, Cervical and thoracic nerves

30

Iliocostalis

extend and maintain erect posture, laterally flex to same side as contracting muscle., Cervical, Lumbar and thoracic nerves

31

Rectus abdominis

Flexes abdomin,flexes pelvis on vert column, flexes lumbar vert column, thoracic spinal nerves T7-T12

32

External oblique

rotate vert column, compress abdomin,laterally flex vert column, T7-T12

33

Internal oblique

same as above, T8-T12

34

Transversus abdominis

Compresses Abdomin, T8-T12

35

Quadratus lumborum

Together-pull 12th ribs interiorly during forced exhalation, fix 12th ribs, L1-L3, T12

36

Diaphragm

Contraction=flatten, increases dimension of Thoracic cavity/inhalation. Relaxation=superiorly, exhalation, C3-C5 and phrenic nerve

37

Exteranl intercostal

Contraction=elevate ribs, T2-T12

38

Internal intercostal

Contraction draws adjacent ribs together., T2-T12

39

Innermost intercostal

Contraction draws adjacent ribs together., T2-T13

40

Pectoralis minor

Rotates scap downward, abducts, Medial Pectoral Nerve

41

Serratus anterior

Abducts scap and rotates it upward 'winging' muscle. Abducts humerous above 90, long thoracic nerve

42

Trapezius

Superior-rotat scap, middle- adduct scap, inferior-depress and upward rotate scap. **Stabilizes scab**, C3-C5 & Accessory Nerve( XI)

43

Levator scapulae

Elevates Scap and rotates it downward, Dorsal Scap nerve C3-C5

44

Rhomboid major

Elevates and adducts scap and rotate it downward, stabilizes scap, Dorsal Scap nerve

45

Rhomboid minor

Elevates and adducts scap and rotate it downward, stabilizes scap, Dorsal Scap nerve

46

Pectoralis major

Adducts + medially rotates arm at shoulder joint, clavicular head flexes arm, sternocostal head extends the flexed arm to trunk, Medial and Lateral pectoral nerves

47

Deltoid

Abduct arm, greater than 15degrees, post. Fibers extend and laterally rotate arm, Axillary nerve

48

Latissimus dorsi

Extends, adducts and medially rotates arm at shoulder joint, inferiorally and posteriorally, Thoracodorsal nerve

49

Teres major

Extends arm, adduction and medial rotation, Lower Subscap nerve

50

Coracobrachialis

Flexes and adducts arm at shoulder, musculocutaneous

51

Subscapularis**

Medially rotates arm, upper and lower SubScap nerve

52

Supraspinatus

Asssts deltoid muscle, suprascap nerve

53

Infraspinatus

laterally rotates arm, suprascap nerve

54

Teres minor

laterally rotates and extends arm at shoulder, axillary nerve

55

Biceps brachii

Flexes forearm @ elbow joing, supinates forearm at radioulunar joints, and flexes arm at shoulder joint., Musculocutaneous nerve

56

Brachialis

Main flexor of forearm, Musculocutaneous nerve and radial nerve

57

Brachioradialis

Flexes forearm at elbow joint, supinates and pronates forearm at radiolunar joint, Musculocutaneous and Radial Nerve

58

Triceps brachii

Extends forearm at elbow, extends arm at shoulder, Radial Nerve

59

Anconeus

Extends forearm at elbow., Radial Nerve

60

Pronator teres

Pronates forearm at radioulnar joint and weakly flexes forearm (index finger), Median Nerve

61

Pronator quadratus

Pronates forearm at radioulnar joint and weakly flexes forearm, Median Nerve

62

Supinator

Supinates forearm at radioulnar,Deep radial nerve

63

Flexor carpi radialis

Flexes and abducts hand at wrist (middle finger), Median Nerve

64

Palmaris longus

Weakly flexes hand at wrist joint (ring finger), Median Nerve

65

Flexor carpi ulnaris

Flexes and adducts hand at wrist (pinky finger), Ulnar Nerve

66

Flexor digitorum

Flexes middle phalanx of each finger, hand at wrist, Median Nerve

67

Flexor pollicis longus

Flexes distal phalanx of thumb, Median Nerve

68

Flexor digitorum profundus

Flexes distal & middle phalanges of each finger @ I.P. joints, proximal phalanx of each finger at MCP joint, hand at wrist. Goes furthest, deepest. Median and Unlar Nerve

69

Extensor carpi radialis longus

Extends and abducts hand at wrist, Median and Unlar Nerve

70

Extensor carpi radialis brevis

Extends and abducts hand at wrist, Radial Nerve

71

Extensor digitorum

extends distal andmiddle phalanges of each finger, proximal phalanx of each at mcp joint, hand at wrist, Radial Nerve

72

Extensor digiti minimi

extends proximal phalanx & and hand @ wrist, Deep radial Nerve

73

Extensor carpi ulnaris

Extends and adducts hand at wrist, Deep radial Nerve

74

Abductor pollicis longus

Abducts and extends thumb (tendon connects most proximally outta the 3), Deep radial Nerve

75

Extensor pollicis brevis

Extends proximal phalanx of thumb at mcp, Deep radial Nerve

76

Extensor pollicis(thumb) longus

Extends distal phalanx of thumb, Deep radial Nerve

77

Extensor indicis

Extends distal and middle phalanges of index, Deep radial Nerve

78

Abductor pollicis brevis

Abducts thumb at carpometacarpal joint(meat of thumb), Median Nerve

79

Opponens pollicis

moves thumb across palm to meet any finger, Median Nerve

80

Flexor pollicis brevis

Flexes thumb at CMC joint, Median Nerve

81

Adductor pollicis

Adducts thumb at CMC and MCP joints, Ulnar Nerve

82

Adductor digiti minimi

Abducts and flexes little finger at MCP joint, Ulnar Nerve

83

Flexor digiti minimi brevis

Flexes little finger at CMC and MCP joints, Ulnar Nerve

84

Opponens digiti minimi

Moves little finger across palm, Ulnar Nerve

85

Lumbricals

Flex each finger at MCP joints and extends each finger at IP joints (superficial to interossi), Median and Ulnar nerve

86

Palmar interossei

Adduct and flex each finger except the middle finger at MCP joints, Ulnar Nerve

87

Dorsal interossei

Abduct fingers 2-4 at MCP joints, flex fingers 2-4 at MCP joints and extend each finger at IP joints, Ulnar Nerve

88

Iliopsoas

Psoas major and Iliacus Muscles acting together flex thigh at hip joint, rotate thigh laterally, and flex trunk on the hip as in sitting up from the supine position,Lumbar Spinal, Femoral Nerve

89

Gluteus maximus

Extends thigh at hip joint and laterally rotates thigh, Inferior gluteal nerve

90

Gluteus medius

Abducts thigh at hip, medially rotates thigh, superior gluteal

91

Gluteus minimus

Abducts thigh at hip and medially rotates thigh, Superior gluteal nerve

92

Tensor fasciae latae

Flexes and abducts thigh at hip joint, Superior gluteal nerve

93

Piriformis

Laterally rotates and abducts thighSacral spinal nerves S1 or S2,

94

Obturator internus

Laterally rotates and abducts thigh, Nerve to obturator

95

Obturator externus

Laterally rotates and abducts thigh, Obturator Nerve

96

Superior gemellus

Laterally rotates and abducts thigh, Nerve to obturator internus

97

Inferior gemellus

Laterally rotates and abducts thigh, Nerve to quadratus femoris

98

Quadratus femoris

Laterally rotates and stabilizes hip joint, Nerve to quadratus femoris

99

Adductor longus

Adducts and flexes thigh, Obturator Nerve

100

Adductor brevis

Adducts and flexes thigh at hip, rotates thigh, Obturator Nerve

101

Adductor magnus

Adducts thigh at hip joint and rotates thigh, anterior part flexes thigh at hip, posterior part extends thigh at hip, Obturator Nerve

102

Pectineus

Flexes and adducts thigh, **FEMORAL

103

Gracilis

Adducts thigh andmedially rotates thigh, flexes leg at knee, Obturator Nerve

104

Sartorius

Indian style sitting. Weakly flexes leg at knee joint, weakly flexes abducts and laterally rotates thigh at thigh. Femoral Nerve

105

Rectus femoris

Extend leg at knee, rectus alone also flexes thigh at hip. Femoral Nerve

106

Vastus lateralis

Extend leg at knee, rectus alone also flexes thigh at hip. Femoral Nerve

107

Vastus medialis

Extend leg at knee, rectus alone also flexes thigh at hip. Femoral Nerve

108

Vastus intermedius

Extend leg at knee, rectus alone also flexes thigh at hip. Femoral Nerve

109

Biceps femoris

Flexes leg at knee, extends thigh at hip, Tibial and common fibular nerves from Sciaatic

110

Semitendinosus

Flexes leg at knee, extends thigh at hip, Tibial Nerve from Sciatic

111

Semimembranosus

Flexes leg at knee, extends thigh at hip, Tibial Nerve from Sciatic

112

Tibialis anterior

Dorsiflexes foot and INVERTS, Deep fibular (peroneal)

113

Extensor hallucis(big toe) longus

Dorsiflexes foots and extends proximal phalanx of great toe at MTP, Deep fibular

114

Extensor digitorum longus

Dorsiflexes foot and extends distal & middle phalanges of each toe at IP joints and proximal Phalanx of each toe, Deep fibular

115

Fibularis tertius

Dorsiflexes foot and EVERTS, Deep fibular

116

Fibularis longus

Plantar flexes foot and EVERTS, Superficial Fibular

117

Fibularis brevis

Plantar flexes foot and EVERTS, Superficial Fibular

118

Gastrocnemius

Plantar flexes foot, flexes leg at Knee, Tibial Nerve

119

Soleus

Plantar flexes foot at ankle joint, Tibial Nerve

120

Plantaris

Plantar flexes foot at ankle joint and flexes leg at Knee (tiny muscle-long tendon). Tibial Nerve

121

Popliteus

Flexes leg at knee and medially rotates tibia to unlock extended knee( scratch calf w/ back of opposite heel). Tibial Nerve

122

Tibialis posterior

Plantar flexes foot at ankle joint (deep center) Tibial Nerve

123

Flexor digitorum longus

Plantar flexes foot, flexes distal and middle phalanges of each toe at IP joints and proximal phalanx of each toe at MTP joint (lots of work = attached to biggest bone). Tibial Nerve

124

Flexor hallucis longus

Plantar flexe, flexes distal phalanx of great toe at IP joint and proximal phalanx of great toe at MTP joint, Tibial Nerve

125

Extensor hallucis brevis

Extends great toe at MTP, Deep fibular

126

Extensor digitorum brevis

Extends toes 2-4 at IP, Deep fibular

127

Abductor hallucis

Abducts and flexes great toe at MTP, Medial plantar

128

Flexor hallucis brevis

Flexes great toe, Medial plantar

129

Adductor hallucis

Adducts and flexes great toe (medial), Medial plantar

130

Flexor digitorum brevis

Flexes toes 2-5 at proximal IP and MTP, Medial plantar

131

Abductor digiti minimi

Abducts and flexes little toe (lateral), Lateral Plantar

132

Flexor digiti minimi brevis

Flexes little toe at MTP, Lateral Plantar

133

Quadratus plantae

Assists flexor digitorum longus to only flex toes 2-5, Lateral Plantar

134

Lumbricals

Extend toes 2-5 at IP joints and flex toes 2-5 at MTP (4), Medial and Lateral

135

Dorsal interossei

flexes at MTP joint (4), Deep plantar

136

Plantar interossei

Extends IP joints (3), Deep lateral plantar nerve