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GA Lab > Lab 9 Musculature > Flashcards

Lab 9 Musculature Flashcards

(75 cards)

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1
Q

Extensor digitorum brevis origin

A

Anterior and lateral calcaneus

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2
Q

Extensor digitorum brevis insertion

A

Extensor expansions of toes 1-4

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3
Q

Extensor digitorum brevis action

A

Extension of toes 1-4

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4
Q

Extensor digitorum brevis nerve supply

A

Deep peroneal nerve

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5
Q

Extensor digitorum brevis blood supply

A

Dorsalis pedis artery

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6
Q

Abductor hallucis origin

A

Calcaneus

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7
Q

Abductor hallucis insertion

A

Medial surface of base of proximal phalanx of great toe

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8
Q

Abductor hallucis action

A

Flexion and abduction of great toe at MTP joint

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9
Q

Abductor hallucis nerve supply

A

Medial plantar nerve

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10
Q

Abductor hallucis blood supply

A

Medial plantar artery

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11
Q

Flexor digitorum brevis origin

A

Calcaneus

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12
Q

Flexor digitorum brevis insertion

A

Slips onto both sides of bases of middle phalanges of toes 2-5

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13
Q

Flexor digitorum brevis action

A

Flexion of toes 2-5 at PIP joints

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14
Q

Flexor digitorum brevis nerve supply

A

Medial plantar nerve

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15
Q

Flexor digitorum brevis blood supply

A

Medial plantar artery

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16
Q

Abductor digiti minimi origin

A

Calcaneus

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17
Q

Abductor digiti minimi insertion

A

Lateral side of base of proximal phalanx of toe 5

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18
Q

Abductor digiti minimi action

A

Flexion and abduction of toe 5 at MTP joint

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19
Q

Abductor digiti minimi nerve supply

A

Lateral plantar nerve

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20
Q

Abductor digiti minimi blood supply

A

Lateral plantar artery

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21
Q

Quadratus plantae origin

A

Calcaneus

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22
Q

Quadratus plantae insertion

A

Lateral surface of flexor digitorum longus tendon

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23
Q

Quadratus plantae action

A

Flexion of toes 2-5 at DIP joints

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24
Q

Quadratus plantae nerve supply

A

Lateral plantar nerve

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25
Quadratus plantae blood supply
Lateral plantar artery
26
Lumbricals origin
Tendons of flexor digitorum longus
27
Lumbricals insertion
Extensor expansion of toes 2-5
28
Lumbricals action
Flexion of toes 2-5 at MTP joints | Extension of toes 2-5 at IP joints
29
Lumbricals nerve supply
Toe 2: medial plantar nerve | Toes 3-5: lateral plantar nerve
30
Lumbricals blood supply
Lateral plantar artery
31
Flexor hallucis brevis origin
Cuboid and lateral cuneiform bones
32
Flexor hallucis brevis insertion
Medial and lateral sides of base of proximal phalanx of great toe
33
Flexor hallucis brevis action
Flexion of great toe at MTP joint
34
Flexor hallucis brevis nerve supply
Medial plantar nerve
35
Flexor hallucis brevis blood supply
Medial plantar artery
36
Adductor hallucis origin
1. Oblique head: bases of 2nd through 4th metatarsals | 2. Transverse head: deep transverse metatarsal ligament and plantar plates of 3rd through 5th MTP joints
37
Adductor hallucis insertion
Lateral side of base of proximal phalanx of great toe
38
Adductor hallucis action
Adduction and flexion of great toe at MTP joint
39
Adductor hallucis nerve supply
Lateral plantar nerve
40
Adductor hallucis blood supply
Lateral plantar artery
41
Flexor digiti minimi origin
Base of 5th metatarsal
42
Flexor digiti minimi insertion
Lateral surface of base of proximal phalanx of toe 5
43
Flexor digiti minimi action
Flexion of toe 5 at MTP joint
44
Flexor digiti minimi nerve supply
Lateral plantar nerve
45
Flexor digiti minimi blood supply
Lateral plantar artery
46
Dorsal interossei origin
Bipennate from adjacent metatarsals
47
Dorsal interossei insertion
Base of proximal phalanges and extensor expansions at medial side of toe 2 and lateral sides of toes 2-4
48
Dorsal interossei action
1. Abduction and flexion of toes 2-4 at MTP joints | 2. Extension of toes 2-4 at IP joints
49
Dorsal interossei nerve supply
Lateral plantar nerve
50
Dorsal interossei blood supply
Lateral plantar artery
51
Plantar interossei origin
Medial sides of metatarsals 3-5
52
Plantar interossei insertion
Medial sides of bases of proximal phalanges and extensor expansions of toes 3-5
53
Plantar interossei action
1. Adduction and flexion of toes 3-5 at MTP joints | 2. Extension of toes 3-5 at IP joints
54
Plantar interossei nerve supply
Lateral plantar nerve
55
Plantar interossei blood supply
Lateral plantar artery
56
Masseter origin
Zygomatic arch
57
Masseter insertion
Angle and ramus of mandible
58
Masseter action
Elevation and protraction of jaw
59
Masseter nerve supply
Cranial nerve V
60
Masseter blood supply
Branches of external carotid artery
61
Temporalis origin
Temporal fossa of frontal, parietal and temporal bones
62
Temporalis insertion
Coronoid process of mandible
63
Temporalis action
Elevation and retraction of jaw
64
Temporalis nerve supply
Cranial nerve V
65
Temporalis blood supply
Branches of external carotid artery
66
Sternocleidomastoid origin
Sternal head: manubrium of sternum | Clavicular head: medial clavicle
67
Sternocleidomastoid insertion
Mastoid process of temporal bone
68
Sternocleidomastoid action
Bilaterally: flexion of neck Unilaterally: ipsilateral lateral flexion of neck and contralateral rotation of neck
69
Sternocleidomastoid nerve supply
Cranial nerve XI
70
Sternocleidomastoid blood supply
Branches of external carotid artery
71
Platysma origin
Fascia over upper, lateral chest
72
Platysma insertion
Skin, fascia, and muscles of mandible
73
Platysma action
Depression of mandible and lower lip; tension of skin of neck
74
Platysma nerve supply
Cranial nerve VII
75
Platysma blood supply
Transverse cervical artery and branches of the external carotid artery

GA Lab (5 decks)

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