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Lower Extremity Anatomy > Foot > Flashcards

Foot Flashcards

1
Q

Extensor Hallucis Brevis

Origin

A

Dorsal calcaneus

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2
Q

Extensor Hallucis Brevis

Insertion

A

Proximal phalanx 1st toe

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3
Q

Extensor Hallucis Brevis

Innervation

A

Deep Fibular Nerve (L4-S1)

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4
Q

Extensor Hallucis Brevis

Action

A

Foot: Extends 1st digit

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5
Q

Extensor Digitorum Brevis

Origin

A

Dorsal calcaneus

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6
Q

Extensor Digitorum Brevis

Insertion

A

Tendons of extensor Digitorum Longus, 2nd-4th toes

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7
Q

Extensor Digitorum Brevis

Innervation

A

Deep Fibular Nerve (L4-S1)

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8
Q

Extensor Digitorum Brevis

Action

A

Foot: extends 2nd-4th digits

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9
Q

Abductor Hallucis

Origin

A

Medial process of calcaneal tuberosity

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10
Q

Abductor Hallucis

Insertion

A

Medial side of 1st proximal phalanx

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11
Q

Abductor Hallucis

Innervation

A

Medial Plantar Nerve (S1-S2)

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12
Q

Abductor Hallucis

Action

A

Foot: Aducts 1st toe, helps maintain medial longitudinal arch

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13
Q

Flexor Digitorum Brevis

Origin

A

Medial process of calcaneal tuberosity

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14
Q

Flexor Digitorum Brevis

Insertion

A

Proximal phalanges of toes 2-5

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15
Q

Flexor Digitorum Brevis

Innervation

A

Medial Plantar Nerve (S1-S3)

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16
Q

Flexor Digitorum Brevis

Action

A

Foot: flexes toes 2-5

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17
Q

Abductor Digiti Minimi

Origin

A

Medial and lateral processes of calcaneal tuberosity

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18
Q

Abductor Digiti Minimi

Insertion

A

Lateral side of 5th proximal phalanx

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19
Q

Abductor Digiti Minimi

Innervation

A

Lateral Plantar Nerve (S1-S3)

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20
Q

Abductor Digiti Minimi

Action

A

Foot: abducts 5th toe

21
Q

Quadratus Plantae

Origin

A

Plantar surface of calcaneus

22
Q

Quadratus Plantae

Insertion

A

Lateral surface of tendon of flexor Digitorum Longus

23
Q

Quadratus Plantae

Innervation

A

Lateral plantar nerve (S1-S3)

24
Q

Quadratus Plantae

Action

A

Straightens the pull of the flexor Digitorum longs tendons

25
Q

Lumbricals (1-4)

Origin

A

Medial side of the tendons of the flexor Digitorum Longus

26
Q

Lumbricals (1-4)

Insertion

A

Dorsal digital expansion of toes 2-5

27
Q

Lumbricals (1-4)

Innervation

A

1st: Medial Plantar Nerve (S1-S2)

2nd-4th: Lateral Plantar Nerve (S1-S3)

28
Q

Lumbricals (1-4)

Action

A

Foot: flex proximal phalanges at MTP joints, extend interphalangeal joints

29
Q

Flexor Hallucis Brevis

Origin

A

Plantar surface of cuboid and 3rd cuneiform

30
Q

Flexor Hallucis Brevis

Insertion

A

Proximal phalanx of 1st toe

31
Q

Flexor Hallucis Brevis

Innervation

A

Medial Plantar Nerve (S1-S2)

32
Q

Flexor Hallucis Brevis

Action

A

Foot: flexes 1st toe at MTP joint

33
Q

Flexor Digiti Minimi Brevis

Origin

A

Base of 5th metatarsals

34
Q

Flexor Digiti Minimi Brevis

Insertion

A

Proximal phalanx of 5th toe

35
Q

Flexor Digiti Minimi Brevis

Innervation

A

Lateral Plantar Nerve (S1-S3)

36
Q

Flexor Digiti Minimi Brevis

Action

A

Foot: flexes 5th toe at MTP joint

37
Q

Adductor Hallucis

Origin

A

Transverse Head: Plantar metatarsophalangeal ligaments

Oblique Head: Base of 2nd-4th metatarsals

38
Q

Adductor Hallucis

Insertion

A

Proximal phalanx of 1st toe

39
Q

Adductor Hallucis

Innervation

A

Lateral Plantar Nerve (S1-S3)

40
Q

Adductor Hallucis

Action

A

Foot: adducts 1st toe

41
Q

Plantar Interossei (1-3)

Origin

A

Bases of 3rd-5th metatarsals

42
Q

Plantar Interossei (1-3)

Insertion

A

Bases of proximal phalanges 3rd-5th toes on the medial side

43
Q

Plantar Interossei (1-3)

Innervation

A

Lateral Plantar Nerve (S1-S3)

44
Q

Plantar Interossei (1-3)

Action

A

Foot: adduct 3rd-5th toes

45
Q

Dorsal Interossei (1-4)

Origin

A

Base of 2nd-5th metatarsals

46
Q

Dorsal Interossei (1-4)

Insertion

A

Bases of proximal phalanges 2nd-4th toes on the lateral side (also on the medial side of 2nd toe)

47
Q

Dorsal Interossei (1-4)

Innervation

A

Lateral Plantar Nerve (S1-S3)

48
Q

Dorsal Interossei (1-4)

Action

A

Foot: abduct 2nd-4th toes

Lower Extremity Anatomy (4 decks)

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