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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
Anconeus m. ACTION
Extends the elbow and tightens its joint
26
Anconeus m. INNERVATION
Radial n.
27
Abductor pollicis longus m. ACTION
Abducts and extends the thumb at the carpometacarpal joint
28
Abductor pollicis longus m. INNERVATION
Posterior interosseous n.
29
Extensor pollicis longus m. ACTION
- Extension and abduction of hand at the wrist | - Extension of thumb at the carpometacarpal joint
30
Extensor pollicis longus m. INNERVATION
Radial n.
31
Extensor pollicis brevis m. ACTION
- Abduction of hand at radiocarpal joint | - Extension of carpometacarpal joints of thumb
32
Extensor pollicis brevis m. INNERVATION
Radial n.
33
Extensor indicis m. ACTION
- Extension of 2nd digit | - Extension of wrist
34
Extensor indicis m. INNERVATION
Radial n.
35
Flexor carpi radialis m. ACTION
- Flexion of wrist | - Abduction of hand
36
Flexor carpi radialis m. INNERVATION
Median n.
37
Flexor digitorum superficialis m. ACTION
Flexion of wrist and digits II-V
38
Flexor digitorum superficialis m. INNERVATION
Median n.
39
Flexor digitorum profundus m. ACTION
Flexion of wrist and digits II-V
40
Flexor digitorum profundus m. INNERVATION
Median n. (digits II and III) | Ulnar n. (digits IV and V)
41
Flexor pollicis longus m. ACTION
- Flexion and abduction of wrist | - Flexion of thumb
42
Flexor pollicis longus m. INNERVATION
Median n.
43
Flexor carpi ulnaris m. ACTION
Flexion and adduction of hand at wrist
44
Flexor carpi ulnaris m. INNERVATION
Ulnar n.
45
Palmaris longus m. ACTION
- Wrist flexion | - Tenses palmar aponeurosis
46
Palmaris longus m. INNERVATION
Median n.
47
Pronator teres m. ACTION
- Pronates forearm | - weak flexion of elbow
48
Pronator teres m. INNERVATION
Median n.
49
Pronator quadratus m. ACTION
Pronates the hand
50
Pronator quadratus m. INNERVATION
Median n.
51
Rectus femoris m. ACTION
- Extension of knee joint | - Flexion of hip joint (weak)
52
Rectus femoris m. INNERVATION
Femoral n.
53
Vastus lateralis m. ACTION
Extension of knee joint
54
Vastus lateralis m. INNERVATION
Femoral n.
55
Vastus medialis m. ACTION
Extension of knee joint
56
Vastus medialis m. INNERVATION
Femoral n.
57
Vastus intermedius m. ACTION
Extension of knee joint
58
Vastus intermedius m. INNERVATION
Femoral n.
59
Ilioapsoas m. ACTION
- Powerful flexion of hip joint | - Flexion of trunk ("sit-up")
60
What muscles make up the lioapsoas m?
Iliacus m | Psoas major m.
61
Pectineus m. ACTION
Hip joint: Adduction, external rotation, slight flexion Stabilizes pelvis in coronal and sagittal planes
62
Pectineus m. INNERVATION
Femoral n. | Obturator n. (L2, L3)
63
Adductor magnus m. ACTION
- Adduction of hip joint | - Synergist for gait and posture
64
Adductor magnus m. INNERVATION
Obturator n.
65
Adductor longus m. ACTION
- Adduction fo hip joint | - Synergist for gait and posture
66
Adductor longus m. INNERVATION
Obturator n. (L2, L3, L4)
67
Adductor brevis m. ACTION
- Adduction fo hip joint | - Synergist for gait and posture
68
Adductor brevis m. INNERVATION
Obturator n. (L2 and L3)
69
Sartorious m. ACTION
- Flexion, abduction, lateral rotation of hip joint | - Flexion of knee joint
70
Sartorious m. INNERVATION
Femoral n.
71
Gracilis m. ACTION
- Adduction of hip joint | - Flexion of knee joint
72
Gracilis m. INNERVATION
Obturator n.
73
Tenor fascia latae m. ACTION
- Abduction and medial rotation of hip joint | - Weak extension of knee joint
74
Tibialis anterior m. ACTION
- Dorsiflexion of talocrural joint | - Inversion of subtalar and transverse tarsal joints
75
Tibialis anterior m. INNERVATION
Deep fibular (peroneal) n.
76
Extensor hallucis longus m. ACTION
- Extension of great toe | - Dorsiflexion of talocrural joint
77
Extensor hallucis longus m. INNERVATION
Deep fibular (peroneal) n.
78
Extensor digitorum longus m. ACTION
- Extension of toes (digits II-V) at PIP and DIP joints | - Dorsiflexion of talocrural joint
79
Extensor digitorum longus m. INNERVATION
Deep fibular (peroneal) n.
80
Extensor hallucis brevis m. ACTION
Extension of great toe
81
Extensor hallucis brevis m. INNERVATION
Deep fibular n.
82
Extensor digitorum brevis m. ACTION
Extension of toes (digits II-V)
83
Extensor digitorum brevis m. INNERVATION
Deep fibular n.
84
Dorsal interosseous mm. ACTION
- Metatarsophalangeal joints 2-4: toe flexion, toe abduction | - Interphalangeal joints 2-4: toe extension
85
Sternocleidomastoid m. ACTION
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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