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Sum 2014 - Anat Exam 1 > Exam 1 - Foot > Flashcards

Exam 1 - Foot Flashcards

(67 cards)

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1
Q

What are the muscles of the forefoot?

A

Dorsal interosseous muscles, Plantar interosseous muscles, Extensor hallucis brevis, Extensor digitorum brevis

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2
Q

What are the muscles of the 1st layer of the Sole of the foot?

A

Abductor digiti minimi, Flexor digitorum brevis, Abductor hallucis

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3
Q

What are the muscles of the 2nd layer of the Sole of the foot?

A

Quadratus plantae, lumbricals

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4
Q

What are the muscles of the 3rd layer of the Sole of the foot?

A

Flexor digiti minimi brevis, Adductor hallucis, Flexor hallucis brevis

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5
Q

What are the muscles of the 4th layer of the Sole of the foot?

A

Plantar interossei muscles and Dorsal interossei muscles

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6
Q

What is the origin of Abductor hallucis?

A

medial side of the tuberosity of calcaneus

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7
Q

What is the insertion of Abductor hallucis?

A

medial side of the base of the proximal phalanx of the great toe (hallux)

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8
Q

What are the functions of Abductor hallucis?

A

abducts the great toe; flexes the metatarsophalageal joint

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9
Q

What innervates Abductor hallucis?

A

medial plantar nerve

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10
Q

What supplies blood to Abductor hallucis?

A

medial plantar a.

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11
Q

What is the origin of Flexor hallucis brevis?

A

cuboid, lateral cuneiform, medial side of the first metatarsal

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12
Q

What is the insertion of Flexor hallucis brevis?

A

medial belly: medial side of proximal phalanx of the great toe; lateral belly: lateral side of the proximal phalanx of the great toe

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13
Q

What are the functions of Flexor hallucis brevis?

A

flexes the metatarsophalangeal joint of the great toe

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14
Q

What innervates Flexor hallucis brevis?

A

medial plantar n.

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15
Q

What supplies blood to Flexor hallucis brevis?

A

medial plantar a.

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16
Q

What is the origin of Flexor digitorum brevis?

A

tuberosity of the calcaneus, plantar aponeurosis, intermuscular septae

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17
Q

What is the insertion of Flexor digitorum brevis?

A

base of the middle phalanx of digits 2-5 after splitting to allow passage of the flexor digitorum longus tendons

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18
Q

What are the functions of Flexor digitorum brevis?

A

flexes the metatarsophalangeal & proximal interphalangeal joints of digits 2-5

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19
Q

What innervates Flexor digitorum brevis?

A

medial plantar nerve

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20
Q

What supplies blood to Flexor digitorum brevis?

A

medial and lateral plantar aa.

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21
Q

What is the origin of Quadratus plantae?

A

anterior portion of the calcaneus and the long plantar ligament

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22
Q

What is the insertion of Quadratus plantae?

A

tendons of the flexor digitorum longus m.

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23
Q

What are the functions of Quadratus plantae?

A

assists the flexor digitorum longus in flexing the toes

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24
Q

What innervates Quadratus plantae?

A

lateral plantar nerve

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25
What supplies blood to Quadratus plantae?
lateral plantar a.
26
What is the origin of the Lumbricals of the foot?
tendons of the flexor digitorum longus
27
What is the insertion of the Lumbricals of the foot?
medial side of the extensor expansion of digits 2-5
28
What are the functions of the Lumbricals of the foot?
flex the metatarsophalangeal joint, extend the proximal interphalangeal & distal interphalangeal joints of digits 2-5
29
What innervates the Lumbricals of the foot?
medial (1st) lumbrical: medial plantar nerve; lateral three lumbricals: lateral plantar nerve
30
What supplies blood to the Lumbricals of the foot?
medial and lateral plantar aa.
31
What is the origin of Adductor hallucis?
oblique head: bases of metatarsals 2-4; transverse head: heads of metatarsals 3-5
32
What is the insertion of Adductor hallucis?
lateral side of base of the proximal phalanx of the great toe
33
What are the functions of Adductor hallucis?
adducts the great toe (moves it toward midline of the foot; i.e.toward the 2nd digit)
34
What innervates Adductor hallucis?
deep branch of the lateral plantar nerve
35
What supplies blood to Adductor hallucis?
plantar arterial arch
36
What is the origin of Extensor hallucis brevis?
superolateral surface of the calcaneus
37
What is the insertion of Extensor hallucis brevis?
dorsum of base of proximal phalanx of the great toe
38
What are the functions of Extensor hallucis brevis?
extends the great toe
39
What innervates Extensor hallucis brevis?
deep fibular (peroneal) nerve
40
What supplies blood to Extensor hallucis brevis?
dorsalis pedis a.
41
What is the origin of Extensor digitorum brevis?
superolateral surface of the calcaneus
42
What is the insertion of Extensor digitorum brevis?
extensor expansion of toes 1-4
43
What are the functions of Extensor digitorum brevis?
extends toes 1-4
44
What innervates Extensor digitorum brevis?
deep fibular (peroneal) nerve
45
What supplies blood to Extensor digitorum brevis?
dorsalis pedis a.
46
What is the origin of Dorsal interosseous muscles?
shafts of adjacent metatarsal bones
47
What is the insertion of Dorsal interosseous muscles?
bases of the proximal phalanges for digit 2 (both sides) & digits 3,4 (lateral side)
48
What are the functions of Dorsal interosseous muscles?
abduct digits 2-4 (move these digits away from midline as defined by a plane passing through the 2nd digit); flex the metatarsophalangeal joints and extend the interphalangeal joints of those digits
49
What innervates Dorsal interosseous muscles?
deep branch of the lateral plantar nerve
50
What supplies blood to Dorsal interosseous muscles?
dorsal metatarsal aa.
51
What is the origin of Plantar interosseous muscles?
base and medial side of metatarsals 3-5
52
What is the insertion of Plantar interosseous muscles?
bases of proximal phalanges and extensor expansions of digits 3-5
53
What are the functions of Plantar interosseous muscles?
adduct digits 3-5 (move these digits toward the midline of the foot as defined by a plane through the second digit); flex the metacarpophalangeal and extend interphalangeal joints of digits 3-5
54
What innervates Plantar interosseous muscles?
deep branch of the lateral plantar nerve
55
What supplies blood to Plantar interosseous muscles?
plantar metatarsal aa.
56
What is the origin of Abductor digiti minimi?
medial and lateral sides of the tuberosity of the calcaneus
57
What is the insertion of Abductor digiti minimi?
lateral side of the base of the proximal phalanx of the 5th digit
58
What are the functions of Abductor digiti minimi?
abducts the 5th toe; flexes the metatarsophalageal joint
59
What innervates Abductor digiti minimi?
lateral plantar nerve
60
What supplies blood to Abductor digiti minimi?
lateral plantar a.
61
What is the origin of Flexor digiti minimi brevis?
base of 5th metatarsal bone
62
What is the insertion of Flexor digiti minimi brevis?
lateral side of base of proximal phalanx of 5th digit
63
What are the functions of Flexor digiti minimi brevis?
flexes the metatarsophalangeal joint of the 5th digit
64
What innervates Flexor digiti minimi brevis?
lateral plantar nerve
65
What supplies blood to Flexor digiti minimi brevis?
lateral plantar a.
66
What are the muscles in the central compartment of the Sole of the foot?
Central - flexor digitorum brevis, quadratus plantae, lumbricals, adductor hallucis
67
What are the muscles in the dorsal compartment of the Sole of the foot?
Dorsal - extensor hallucis brevis, extensor digitorum brevis

Sum 2014 - Anat Exam 1 (14 decks)

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