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2. HLTH 109 > Foot (muscles) > Flashcards

Foot (muscles) Flashcards

1
Q

intrinsic muscles of foot: list on dorsal aspect

A
  • extensor digitorum brevis

- extensor hallucis brevis

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2
Q

intrinsic muscles of foot: how many layers?

A

4 layers

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3
Q

intrinsic muscles of foot: muscles in 1st layer

A
  • abductor hallucis
  • flexor digitorum brevis
  • abductor digiti minimi
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4
Q

intrinsic muscles of foot: muscles in 2nd layer

A
  • quadratus plantae

- lumbricals

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5
Q

intrinsic muscles of foot: muscles in 3rd layer

A
  • flexor hallucis brevis
  • adductor hallucis
  • flexor digiti minimi brevis
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6
Q

intrinsic muscles of foot: 4th layer

A
  • dorsal interossei

- plantar interossei

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7
Q

extensor digitorum brevis: location

A

dorsal aspect, intrinsic muscle

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8
Q

extensor digitorum brevis: innervation

A

deep fibular n

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9
Q

extensor digitorum brevis: action

A

extension of toes 2-4

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10
Q

extensor hallucis brevis: location

A

dorsal aspect, intrinsic muscle

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11
Q

extensor hallucis brevis: innervation

A

deep fibular n

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12
Q

extensor hallucis brevis: action

A

extension of metatarsalphalangeal joint of great toe

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13
Q

abductor hallucis: location

A

1st layer, sole of foot

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14
Q

abductor hallucis: innervation

A

tibial n

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15
Q

abductor hallucis: action

A

abduction and flexion of MTP joint of great toe

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16
Q

flexor digitorum brevis: location

A

1st layer, sole of foot

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17
Q

flexor digitorum brevis: innervation

A

tibial n

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18
Q

flexor digitorum brevis: action

A

flexion of toes 2-5, proximal interphalangeal joint

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19
Q

abductor digiti minimi: location

A

1st layer, sole of the foot

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20
Q

abductor digiti minimi: innervation

A

tibial n

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21
Q

abductor digiti minimi: action

A

abduction and flexion of MTP joint of little toe

22
Q

quadratus plantae: location

A

2nd layer, sole of foot

23
Q

quadratus plantae: innervation

A

tibial n

24
Q

quadratus plantae: action

A

assists FDL

25
Q

lumbricals: location

A

2nd layer, sole of foot

26
Q

lumbricals: innervation

A

tibial n

27
Q

lumbricals: action

A

flexes MTP joint and extends IP joint

28
Q

flexor hallucis brevis: location

A

3rd layer, sole of foot

29
Q

flexor hallucis brevis: innervation

A

tibial n

30
Q

flexor hallucis brevis: action

A

flexes MTP joint of great toe

31
Q

adductor hallucis: location

A

3rd layer, sole of foot

32
Q

adductor hallucis: innervation

A

tibial n

33
Q

adductor hallucis: action

A

adducts big toe

34
Q

flexor digiti minimi: location

A

3rd layer, sole of foot

35
Q

flexor digiti minimi: innervation

A

tibial n

36
Q

flexor digiti minimi: action

A

flexes lil toe

37
Q

dorsal interossei: location

A

4th layer, dorsal aspect

38
Q

dorsal interossei: innervation

A
  • tibial n

- 1st, 2nd also from deep fibular n

39
Q

dorsal interossei: action

A

abducts toes 2-4, flexes MTP j, extends IP joint

40
Q

plantar interossei: location

A

4th layer, sole of foot

41
Q

plantar interossei: innervation

A

tibial n

42
Q

plantar interossei: action

A
  • adducts toes 3-5
  • flexes MTP j
  • extends IP j
43
Q

how many arches are there:

A

2 longitudinal, 1 transverse arch

44
Q

name arches:

A
  • medial longitudinal
  • lateral longitudinal
  • transverse
45
Q

bones: medial longitudinal arch

A
  • talus
  • calcaneus
  • navicular
  • cuneiforms
  • metatarsals 1-3
46
Q

bones: lateral longitudinal arch

A
  • calcaneus
  • cuboid
  • metatarsals 4-5
47
Q

bones: transverse arch

A
  • cuboid
  • cuneiform
  • metatarsal bones
48
Q

support structures: ligaments- medial longitudinal arch

A
  • plantar calcaneonavicular (spring)

- deltoid

49
Q

support structures: ligaments- lateral longitudinal arch

A
  • long

- short plantar lig

50
Q

support structures: ligaments- transverse arch

A
  • deep transverse

- long and short plantar

51
Q

flat feet eg:

A
  • no arch
  • babies look like it
  • pain, no support

2. HLTH 109 (29 decks)

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