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Gross Anatomy Muscles > Sole of Foot Muscles > Flashcards

Sole of Foot Muscles Flashcards

1
Q

Abductor Hallucis

Origin

A
  • Medial tubercle of tuberosity of calcaneus
  • flexor retinaculum
  • plantar aponeurosis
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2
Q

Abductor Hallucis

Insertion

A

-Medial side of base of proximal phalanx of 1st

digit

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3
Q

Abductor Hallucis

Innervation

A

-Medial plantar nerve (S2, S3)

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4
Q

Abductor Hallucis

Action

A

-Abducts and flexes 1st digit (great toe/hallux)

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5
Q

Abductor Digiti Minimi

Origin

A

-Medial and lateral tubercles of tuberosity of
calcaneus
-plantar aponeurosis
-intermuscularsepta

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6
Q

Abductor Digiti Minimi

Insertion

A

-Lateral side of base of proximal phalanx of 5th digit

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7
Q

Abductor Digiti Minimi

Innervation

A

-Lateral plantar nerve (S2, S3)

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8
Q

Abductor Digiti Minimi

Action

A

-Abducts and flexes the 5th digit

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9
Q

Flexor Digitorum Brevis

Origin

A
  • Tuberosity of calcaneus
  • plantar aponeurosis
  • intermuscular septa
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10
Q

Flexor Digitorum Brevis

Insertion

A

-Both sides of middle phalanges of lateral four digits

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11
Q

Flexor Digitorum Brevis

Innervation

A

-Medial plantar nerve (S2, S3)

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12
Q

Flexor Digitorum Brevis

Action

A

-Flexes lateral four digits

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13
Q

Quadratus Plantae

Origin

A

-Medial and lateral margins of plantar surface of

calcaneus

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14
Q

Quadratus Plantae

Insertion

A

-Tendon of flexor digitorum longus

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15
Q

Quadratus Plantae

Innervation

A

-Lateral plantar nerve (S2, S3)

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16
Q

Quadratus Plantae

Action

A

-Assists flexor digitorum longus in flexing lateral four digits

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17
Q

Adductor Hallucis

Origin

A

Oblique head: bases of the 2nd-4th metatarsals

Transverse head: plantar ligaments of
metatarsophalangeal (MTP) joints

18
Q

Adductor Hallucis

Insertion

A

-Tendons of both heads attach to lateral side of base of proximal phalanx of 1st digit

19
Q

Adductor Hallucis

Innervation

A

-Deep branch of lateral plantar nerve (S2, S3)

20
Q

Adductor Hallucis

Action

A
  • -Flexes and adducts the 1st digit at MTP joint

- Supports the transverse arch of foot

21
Q

Flexor Hallucis Brevis

Origin

A

-Plantar surfaces of cuboid and lateral cuneiforms

22
Q

Flexor Hallucis Brevis

Insertion

A

-Both sides of base of proximal phalanx of 1st digit

23
Q

Flexor Hallucis Brevis

Innervation

A

-Medial plantar nerve (S2, S3)

24
Q

Flexor Hallucis Brevis

Action

A

-Flexes proximal phalanx of 1st digit

25
Q

Flexor Digiti Minimi Brevis

Origin

A

-Base of 5th metatarsal

26
Q

Flexor Digiti Minimi Brevis

Insertion

A

-Base of proximal phalanx of 5th digit

27
Q

Flexor Digiti Minimi Brevis

Innervation

A

-Superficial branch of lateral plantar nerve (S2, S3)

28
Q

Flexor Digiti Minimi Brevis

Action

A

-Flexes proximal phalanx of 5th digit

29
Q

Lumbricals

Origin

A

-Tendons of flexor digitorum longus

30
Q

Lumbricals

Insertion

A

-Medial aspect of expansion over lateral four digits

31
Q

Lumbricals

Innervation

A
  • Medial one: medial plantar nerve (S2, S3)

- Lateral three: lateral plantar nerve (S2, S3)

32
Q

Lumbricals

Action

A

-Flexes MTP joints and extends IP joints of lateral

four digits

33
Q

Plantar Interossei

Origin

A

-Bases of medial sides of metatarsals 3-5

34
Q

Plantar Interossei

Insertion

A

-Medial sides of bases of phalanges of 3rd-5th digits

35
Q

Plantar Interossei

Innervation

A

-Lateral plantar nerve (S2, S3)

36
Q

Plantar Interossei

Action

A

-Adducts digits (3-5) and flexes (MTP) joints

37
Q

Dorsal Interossei

Origin

A

-Adjacent sides of metatarsals 1-5

38
Q

Dorsal Interossei

Insertion

A
  • 1st: medial side of proximal phalanx of 2nd digit

- 2nd-4th: lateral sides of 2nd-4th digits

39
Q

Dorsal Interossei

Innervation

A

-Lateral plantar nerve (S2, S3)

40
Q

Dorsal Interossei

Action

A

-Abducts digits (2-4) and flexes (MTP) joints

Gross Anatomy Muscles (12 decks)

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