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Adv. Human Dissection > Unit #2 - Arm, Upper Limb, Anterior Neck, Anterior Leg Muscles > Flashcards

Unit #2 - Arm, Upper Limb, Anterior Neck, Anterior Leg Muscles Flashcards

1
Q

Pectoralis major m. ACTION

A

Adduction and internal rotation

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2
Q

Pectoralis major m. INNERVATION

A

Lateral and medial pectoral nn. (C5-T1)

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3
Q

Pectoralis minor m. ACTION

A
  • Abducts and rotates scapula downward

- Elevates ribs during forced inspiration

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4
Q

Pectoralis minor m. INNERVATION

A

Medial pectoral n.

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5
Q

Deltoid m. ACTION

A

Abduct shoulder joint past 15 degrees up to 90 degrees

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6
Q

Deltoid m. INNERVATION

A

Axillary n.

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7
Q

Biceps brachii m ACTION

A
  • Flexion and supination of elbow
  • Flexion of shoulder joint
  • Abduction and internal rotation of humerus
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8
Q

Biceps brachii m. INNERVATION

A

Musculocutaneous n.

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9
Q

Coracobrachialis m. ACTION

A

Adduction and flexion of arm at shoulder joint

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10
Q

Coracobrachialis m. INNERVATION

A

Musculocutaneous n.

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11
Q

Brachialis m. ACTION

A

Flexion at elbow joint

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12
Q

Brachialis m. INNERVATION

A

Musculocutaneous n. and radial n.

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13
Q

Brachioradialis m. ACTION

A
  • Flexion of elbow

- Semipronation of forearm

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14
Q

Brachioradilais m. INNERVATION

A

Radial n.

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15
Q

Extensor carpi radialis longus and brevis mm. ACTION

A

Extension and abduction of wrist

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16
Q

Extensor carpi radialis longus and brevis mm. INNERVATION

A

Radial n.

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17
Q

Extensor digitorum m. ACTION

A
  • Extension of wrist

- Extension and abduction of fingers

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18
Q

Extensor digitorum m. INNERVATION

A

Radial n.

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19
Q

Extensor digit minimi m. ACTION

A

Extension of 5th digit

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20
Q

Extensor digit minimi m. INNERVATION

A

Radial n.

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21
Q

Extensor carpi ulnaris m. ACTION

A

Wrist extension and adduction of hand

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22
Q

Extensor carpi ulnaris m. INNERVATION

A

Radial n.

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23
Q

Supinator m. ACTION

A

Supination of forearm

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24
Q

Supinator m. INNERVATION

A

Radial n.

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25
Q

Anconeus m. ACTION

A

Extends the elbow and tightens its joint

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26
Q

Anconeus m. INNERVATION

A

Radial n.

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27
Q

Abductor pollicis longus m. ACTION

A

Abducts and extends the thumb at the carpometacarpal joint

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28
Q

Abductor pollicis longus m. INNERVATION

A

Posterior interosseous n.

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29
Q

Extensor pollicis longus m. ACTION

A
  • Extension and abduction of hand at the wrist

- Extension of thumb at the carpometacarpal joint

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30
Q

Extensor pollicis longus m. INNERVATION

A

Radial n.

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31
Q

Extensor pollicis brevis m. ACTION

A
  • Abduction of hand at radiocarpal joint

- Extension of carpometacarpal joints of thumb

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32
Q

Extensor pollicis brevis m. INNERVATION

A

Radial n.

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33
Q

Extensor indicis m. ACTION

A
  • Extension of 2nd digit

- Extension of wrist

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34
Q

Extensor indicis m. INNERVATION

A

Radial n.

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35
Q

Flexor carpi radialis m. ACTION

A
  • Flexion of wrist

- Abduction of hand

36
Q

Flexor carpi radialis m. INNERVATION

A

Median n.

37
Q

Flexor digitorum superficialis m. ACTION

A

Flexion of wrist and digits II-V

38
Q

Flexor digitorum superficialis m. INNERVATION

A

Median n.

39
Q

Flexor digitorum profundus m. ACTION

A

Flexion of wrist and digits II-V

40
Q

Flexor digitorum profundus m. INNERVATION

A

Median n. (digits II and III)

Ulnar n. (digits IV and V)

41
Q

Flexor pollicis longus m. ACTION

A
  • Flexion and abduction of wrist

- Flexion of thumb

42
Q

Flexor pollicis longus m. INNERVATION

A

Median n.

43
Q

Flexor carpi ulnaris m. ACTION

A

Flexion and adduction of hand at wrist

44
Q

Flexor carpi ulnaris m. INNERVATION

A

Ulnar n.

45
Q

Palmaris longus m. ACTION

A
  • Wrist flexion

- Tenses palmar aponeurosis

46
Q

Palmaris longus m. INNERVATION

A

Median n.

47
Q

Pronator teres m. ACTION

A
  • Pronates forearm

- weak flexion of elbow

48
Q

Pronator teres m. INNERVATION

A

Median n.

49
Q

Pronator quadratus m. ACTION

A

Pronates the hand

50
Q

Pronator quadratus m. INNERVATION

A

Median n.

51
Q

Rectus femoris m. ACTION

A
  • Extension of knee joint

- Flexion of hip joint (weak)

52
Q

Rectus femoris m. INNERVATION

A

Femoral n.

53
Q

Vastus lateralis m. ACTION

A

Extension of knee joint

54
Q

Vastus lateralis m. INNERVATION

A

Femoral n.

55
Q

Vastus medialis m. ACTION

A

Extension of knee joint

56
Q

Vastus medialis m. INNERVATION

A

Femoral n.

57
Q

Vastus intermedius m. ACTION

A

Extension of knee joint

58
Q

Vastus intermedius m. INNERVATION

A

Femoral n.

59
Q

Ilioapsoas m. ACTION

A
  • Powerful flexion of hip joint

- Flexion of trunk (“sit-up”)

60
Q

What muscles make up the lioapsoas m?

A

Iliacus m

Psoas major m.

61
Q

Pectineus m. ACTION

A

Hip joint: Adduction, external rotation, slight flexion

Stabilizes pelvis in coronal and sagittal planes

62
Q

Pectineus m. INNERVATION

A

Femoral n.

Obturator n. (L2, L3)

63
Q

Adductor magnus m. ACTION

A
  • Adduction of hip joint

- Synergist for gait and posture

64
Q

Adductor magnus m. INNERVATION

A

Obturator n.

65
Q

Adductor longus m. ACTION

A
  • Adduction fo hip joint

- Synergist for gait and posture

66
Q

Adductor longus m. INNERVATION

A

Obturator n. (L2, L3, L4)

67
Q

Adductor brevis m. ACTION

A
  • Adduction fo hip joint

- Synergist for gait and posture

68
Q

Adductor brevis m. INNERVATION

A

Obturator n. (L2 and L3)

69
Q

Sartorious m. ACTION

A
  • Flexion, abduction, lateral rotation of hip joint

- Flexion of knee joint

70
Q

Sartorious m. INNERVATION

A

Femoral n.

71
Q

Gracilis m. ACTION

A
  • Adduction of hip joint

- Flexion of knee joint

72
Q

Gracilis m. INNERVATION

A

Obturator n.

73
Q

Tenor fascia latae m. ACTION

A
  • Abduction and medial rotation of hip joint

- Weak extension of knee joint

74
Q

Tibialis anterior m. ACTION

A
  • Dorsiflexion of talocrural joint

- Inversion of subtalar and transverse tarsal joints

75
Q

Tibialis anterior m. INNERVATION

A

Deep fibular (peroneal) n.

76
Q

Extensor hallucis longus m. ACTION

A
  • Extension of great toe

- Dorsiflexion of talocrural joint

77
Q

Extensor hallucis longus m. INNERVATION

A

Deep fibular (peroneal) n.

78
Q

Extensor digitorum longus m. ACTION

A
  • Extension of toes (digits II-V) at PIP and DIP joints

- Dorsiflexion of talocrural joint

79
Q

Extensor digitorum longus m. INNERVATION

A

Deep fibular (peroneal) n.

80
Q

Extensor hallucis brevis m. ACTION

A

Extension of great toe

81
Q

Extensor hallucis brevis m. INNERVATION

A

Deep fibular n.

82
Q

Extensor digitorum brevis m. ACTION

A

Extension of toes (digits II-V)

83
Q

Extensor digitorum brevis m. INNERVATION

A

Deep fibular n.

84
Q

Dorsal interosseous mm. ACTION

A
  • Metatarsophalangeal joints 2-4: toe flexion, toe abduction

- Interphalangeal joints 2-4: toe extension

85
Q

Sternocleidomastoid m. ACTION

A

Unilaterally: Rotates head to opposite side, lateral flexion of the neck on the same side

Bilaterally: Head extension

Adv. Human Dissection (1 decks)

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