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GA 2 > Foot & Ankle Muscles > Flashcards

Foot & Ankle Muscles Flashcards

1
Q

1st Layer Muscles

A
  • Abductor hallucis m.
  • Flexor digitorum brevis m.
  • Abductor digiti minimi m.
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2
Q

2nd Layer Muscles

A
  • Quadrate plantae m.

- Lumbricals

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3
Q

3rd Layer Muscles

A
  • Flexor hallucis brevis m.
  • Adductor hallucis m.
  • Flexor digiti minimi m.
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4
Q

4th Layer Muscles

A
  • Plantar interossei m. (3)

- Dorsal interossei m. (4)

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5
Q

Dorsum of Foot Muscles

A
  • Extensor digitorum brevis m.

- Extensor hallucis brevis m.

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6
Q

Abductor hallucis m. - origin

A
  • Medial tubercle of tuberosity of calcaneous
  • flexor retinaculum
  • plantar aponeurosis
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7
Q

Abductor hallucis m. - insertion

A

Medial side of base of proximal phalanx of 1st digit

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8
Q

Abductor hallucis m., Flexor digitorum brevis m. - nerve

A

Medial plantar n. (S2,3)

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9
Q

Abductor hallucis m. - action

A

Abducts and flexes great toe

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10
Q

Abductor hallucis m. - blood supply

A

medial plantar a., plantar MT a., proper plantar digital a.

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11
Q

Flexor digitorum brevis m. - origin

A
  • Medial tubercle of tuberosity of calcaneous
  • Plantar aponeurosis
  • intermuscular septa
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12
Q

Flexor digitorum brevis m. - insertion

A

Both sides of middle phalanges of lateral 4 digits

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13
Q

Flexor digitorum brevis m. - action

A

Flexes lateral 4 digits

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14
Q

Flexor digitorum brevis m. - blood supply

A

lateral plantar a., medial plantar a., plantar MT a., proper plantar digital a.

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15
Q

Abductor digiti minimi m. - origin

A
  • medial and lateral tubercles of tuberosity of calcaneous
  • plantar aponeurosis
  • intermuscular septa
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16
Q

Abductor digiti minimi m. - insertion

A

Lateral side of base of proximal phalanx of 5th digit

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17
Q

Abductor digiti minimi m. - nerve

A

Lateral plantar n. (S2, 3)

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18
Q

Abductor digiti minimi m. - action

A

Abducts and flexes little toe

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19
Q

Abductor digiti minimi m. - blood supply

A

lateral plantar a., medial plantar a., plantar MT a., proper plantar digital a.

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20
Q

Quadrate plantae m. - origin

A

medial surface and lateral margin of plantar surface of calcaneous

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21
Q

Quadrate plantae m. - insertion

A

posterolateral margin of tendon of flexor digitorum longus m.

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22
Q

Quadrate plantae m. - nerve

A

Lateral plantar n. (S2, 3)

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23
Q

Quadrate plantae m. - action

A

Assist Flexor digitorum longus in flexing lateral 4 digits

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24
Q

Quadrate plantae m. - blood supply

A

medial plantar a., lateral plantar a., deep plantar arch

25
Lumbricals - origin
Tendons of flexor digitorum longus m.
26
Lumbricals - insertion
medial aspect of expansion over lateral 4 digits
27
Lumbricals - nerve
- Medial 1: medial plantar n. (S2,3) | - Lateral 3: lateral plantar n. (S2,3)
28
Lumbricals - action
- Flex proximal phalanges | - extend middle and distal phalanges of lateral 4 digits
29
Lumbricals - blood supply
lateral plantar a., plantar MT a., dorsal digital a. of foot
30
Flexor hallucis brevis m. - origin
Plantar surface of cuboid and lateral cuneiforms
31
Flexor hallucis brevis m. - insertion
Both sides of base of proximal phalanx of 1st digit
32
Flexor hallucis brevis m. - nerve
medial plantar n. (S2,3)
33
Flexor hallucis brevis m. - action
flexes proximal phalanx of great toe
34
Flexor hallucis brevis m. - blood supply
medial plantar a., plantar MT a.
35
Adductor hallucis m. - origin
- Oblique head: bases of MTs 2-4 | - Transverse head: plantar ligaments of MTP joints
36
Adductor hallucis m. - insertion
Lateral side of base of proximal phalanx of 1st digit
37
Adductor hallucis m. - nerve
Deep branch of lateral plantar n. (S2, 3)
38
Adductor hallucis m. - action
- Adduct 1st digit | - Assist in transverse arch of foot by MTs medially
39
Adductor hallucis m. - blood supply
medial plantar a., deep plantar arch, plantar MT a.
40
Flexor digiti minimi brevis m. - origin
Base of 5th MT
41
Flexor digiti minimi brevis m. - insertion
Base of proximal phalanx of 5th digit
42
Flexor digiti minimi brevis m. - nerve
Superficial branch of lateral plantar n. (S2,3)
43
Flexor digiti minimi brevis m. - action
Flexes proximal phalanx of 5th digit
44
Flexor digiti minimi brevis m. - blood supply
lateral plantar a., superficial branch of lateral plantar a., lateral tarsal a.
45
Plantar interossei m. - insertion
medial sides of bases of phalanges of digits 3-5
46
Plantar interossei m., dorsal interossei m. - nerve
Lateral plantar n. (S2,3)
47
Plantar interossei m. - action
- Adduct digits 3-5 | - Flex MTP joints
48
Dorsal interossei m. - origin
adjacent sides of shafts of MTs 1-5
49
Plantar interossei m. - blood supply
lateral plantar a., deep plantar., plantar MT a., proper plantar digital a.
50
Dorsal interossei m. - action
- Abduct digits 2-4 | - Flex MTP joints
51
Dorsal interossei m. - action
- Abduct digits 2-4 | - Flex MTP joints
52
Extensor digitorum brevis m. -
- Calcaneous (floor of tarsal sinus) - Interosseous talcalcaneal ligament - Stem of inferior extensor retinaculum
53
Extensor digitorum brevis m. - insertion
Long extensor tendons of 4 medial digits (toes 2-4)
54
Extensor digitorum brevis m., extensor hallucis brevis m. - nerve
Deep fibular n. (L1 or S1 or both)
55
Extensor digitorum brevis m. - action
Aids extensor digitorum longus in extending medial toes at MTP and ITP joints
56
Extensor hallucis brevis m. - origin
in common with extensor digitorum brevis m.
57
Extensor digitorum brevis m. - blood supply
perforating branch of fibular a., lateral tarsal a., dorsalis pedis a., arcuate a. of foot
58
Extensor hallucis brevis m. - action
aids extensor hallucis longus in extending big toe at MTP joint
59
Extensor hallucis brevis m. - blood supply
perforating branch of fibular a., lateral tarsal a., dorsalis pedis a., arcuate a. or foot

GA 2 (14 decks)

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