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Anatomy - HSC501 > Muscles of the Foot > Flashcards

Muscles of the Foot Flashcards

(54 cards)

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1
Q

How many layers of muscle are there in the plantar region?

A

4

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2
Q

Name the muscles in the 1st layer of the plantar region

A

Abductor Hallucis (AH)
Flexor Digitorum Brevis
Abductor Digiti Minimi (AM)

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3
Q

Abductor Hallucis - Origin

A

Medial tubercle of calcaneal tuberosity

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4
Q

Abductor Hallucis - Insertion

A

Base of proximal phalanx of digit one

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5
Q

Abductor Hallucis - Innervation

A

Medial plantar nerve

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6
Q

Abductor Hallucis - Action(s)

A

Abducts and Flexes digit one

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7
Q

Flexor Digitorum Brevis - Origin

A

Medial tubercle of calcaneal tuberosity

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8
Q

Flexor Digitorum Brevis - Insertion

A

Middle phalanges, digits 2-5

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9
Q

Flexor Digitorum Brevis - Innervation

A

Medial plantar nerve

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10
Q

Flexor Digitorum Brevis - Action(s)

A

Flexes digits 2-5

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11
Q

Abductor Digiti Minimi - Origin

A

Medial and lateral tubercles of calcaneal tuberosity

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12
Q

Abductor Digiti Minimi - Insertion

A

Base of proximal phalanx of digit 5

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13
Q

Abductor Digiti Minimi - Innervation

A

Lateral plantar nerve

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14
Q

Abductor Digiti Minimi - Action(s)

A

Abducts and flexes digit 5

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15
Q

Name the muscles of the 2nd layer of the plantar region

A

Quadratus Plantae

Lumbricals

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16
Q

Quadratus Plantae - Origin

A

Medial and lateral calcaneus

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17
Q

Quadratus Plantae - Insertion

A

Tendons of flexor digitorum longus

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18
Q

Quadratus Plantae - Innervation

A

Lateral plantar nerve

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19
Q

Quadratus Plantae - Action(s)

A

Assists flexion of digits 2-5

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20
Q

Lumbricals - Origin

A

Tendons of flexor digitorum longus

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21
Q

Lumbricals - Insertion

A

Expansion of digits 2-5

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22
Q

Lumbricals - Innervation

Study These Flashcards
A

Medial plantar nerve (Lumbrical 1)

Lateral plantar nerve (Lumbricals 3-5)

23
Q

Lumbricals - Action(s)

Study These Flashcards
A

Flexes at metatarsophalangeal joints

Extends at interphalangeal joints

24
Q

Name the muscles of the 4th layer of the plantar region

Study These Flashcards
A

Flexor Hallucis Brevis
Adductor Hallucis
Flexor Digiti Minimi

25
Flexor Hallucis Brevis - Origin
Cuboid and lateral cuneiform
26
Flexor Hallucis Brevis - Insertion
Base of proximal phalanx of digit 1
27
Flexor Hallucis Brevis - Innervation
Medial plantar nerve
28
Flexor Hallucis Brevis - Action(s)
Flexes digit 1
29
Adductor Hallucis - Origin
Bases of metatarsals 2-4 (Oblique head) | Metatarsophalangeal Joints 3-5 (Transverse head)
30
Adductor Hallucis - Insertion
Base of proximal phalanx of digit 1
31
Adductor Hallucis - Innervation
Lateral plantar nerve
32
Adductor Hallucis - Action(s)
Adducts digit 1
33
Flexor Digiti Minimi - Origin
Base of metatarsal 5
34
Flexor Digiti Minimi - Inserstion
Base of proximal phalanx of digit 5
35
Flexor Digiti Minimi - Innervation
Lateral plantar nerve
36
Flexor Digiti Minimi - Action(s)
Flexes digit 5
37
Name the muscles of the 4th layer of the plantar region
Plantar Interossei | Dorsal Interossei
38
Plantar Interossei - Origin
Base of metatarsals 3-5
39
Plantar Interossei - Insertion
Base of proximal phalanges of digit 3-5
40
Plantar Interossei - Innervation
Lateral plantar nerve
41
Plantar Interossei - Action(s)
Adducts digits 3-5
42
Dorsal Interossei - Origin
Metatarsals 1-5
43
Dorsal Interossei - Insertion
Proximal Phalanges of 2-4
44
Dorsal Interossei - Innervation
Lateral plantar nerve
45
Dorsal Interossei - Action(s)
Abducts digit 2-4
46
Name the muscles of the Dorsal Region of the foot.
Extensor hallucis brevis | Extensor Digitorum brevis
47
Extensor Hallucis Brevis - Origin
Calcaneus
48
Extensor Hallucis Brevis - Insertion
Proximal phalanx of digit one
49
Extensor Hallucis Brevis - Innervation
Deep Fibular Nerve
50
Extensor Hallucis Brevis - Action(s)
Extends digit one
51
Extensor Digitorum Brevis - Origin
Calcaneus
52
Extensor Digitorum Brevis - Insertion
Extensor tendons of digits 2-4
53
Extensor Digitorum Brevis - Innervation
Deep Fibular Nerve
54
Extensor Digitorum Brevis - Action(s)
Assists extending digits 2-4

Anatomy - HSC501 (18 decks)

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