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Gross anatomy test 4 > Muscles of the Foot > Flashcards

Muscles of the Foot Flashcards

0
Q

Abductor Hallucis Proximal

A

Medial tubercle oftuberosity of calcaneus, flexor retinaculum, and plantar aponeurosis

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1
Q

Name the muscles in the first layer

A

Abductor Hallucis, Flexor digitorum, Abductor digiti minimi

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2
Q

Abductor Hallucis Distal

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

Flexor digitorum brevis Proximal

A

Medial tubercle of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septa

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6
Q

Flexor digitorum brevis Distal

A

Both sides of middle phalanges of lateral four digits

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7
Q

Flexor digitorum brevis innervation

A

Medial plantar nerve S2, S3

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8
Q

Flexor digitorum brevis action

A

Flexes lateral four digits

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9
Q

Abductor Digiti minimi Proximal

A

Medial and lateral tubercles of tuberosity of calcaneus, Plantar aponeurosis, and intermuscular septa

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10
Q

Abductor Digiti minimi Distal

A

Lateral side of base of proximal phalanx of 5th digit

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11
Q

Abductor Digiti minimi Innervation

A

Lateral Plantaer nerve S2, S3

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12
Q

Abductor Digiti minimi Action

A

Abducts and flexes 5th digit

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13
Q

Muscles of the second layer

A

Quadratus Plantae and Lumbricals

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14
Q

Quadratus Plantae Proximal

A

Medial surface and lateral margin of plantar surface of calcaneus

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15
Q

Quadratus Plantae Distal

A

Posterolateral margin of tendon of flexor digitorum longus

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16
Q

Quadratus Plantae Innervation

A

Lateral plantar nerve S2, S3

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17
Q

Quadratus Plantae action

A

Assists flexor digitorum longus in flexing lateral four digits

18
Q

Lumbricals Proximal

A

Tendons of flexor digitorum longus

19
Q

Lumbricals Distal

A

Medial aspect of expansion over lateral four digits

20
Q

Lumbricals Innervation

A

Medial one: medial plantar nerve S2, S3

Lateral three: Lateral plantar nerve S2, S3

21
Q

Lumbricals action

A

Flex proximal phalanges; extend middle and distal phalanges of lateral 4 digits

22
Q

Muscles of the 3rd layer

A

Flexor Hallucis brevis, Adductor hallucis, Flexor digiti minimi brevis

23
Q

Flexor Hallucis brevis Proximal

A

Plantar surface of cuboid and lateral cuneiform

24
Q

Flexor Hallucis brevis distal

A

Both sides of base of proximal phalanx of 1st digit

25
Q

Flexor Hallucis brevis innervation

A

Medial plantar nerve S2, S3

26
Q

Flexor Hallucis brevis action

A

Flexes proximal ohalanx of 1st digit

27
Q

Adductor Hallucis Proximal

A

Oblique head: Bases of metatarsals 2-4

Transverse head: Plantar ligaments of 3rd-5th metatarsophalangeal joints

28
Q

Adductor Hallucis distal

A

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

29
Q

Adductor Hallucis Innervation

A

Deep branch of lateral plantar nerve S2, S3

30
Q

Adductor Hallucis action

A

Adducts 1st digit, assists in maintaining transverse arch of foot

31
Q

Flexor digiti minimi brevis proximal

A

Base of 5th metatarsal

32
Q

Flexor digiti minimi brevis distal

A

Base of proximal phalanx of 5th digit

33
Q

Flexor digiti minimi brevis Innervation

A

Superficial branch of lateral plantar nerve S2, S3

34
Q

Flexor digiti minimi brevis action

A

Flexes proximal phalanx of 5th digit, thereby assisting with its flexion

35
Q

Muscles of the 4th layer

A

Plantar interossei (3 muscles) and Dorsal interossei (4 muscles)

36
Q

Plantar interossei Proximal

A

Bases of medial sides of metatarsals 3-5

37
Q

Plantar interossei distal

A

medial sides of bases of proximal phalanges of 3rd-5th digits

38
Q

Plantar interossei innervation

A

Lateral plantar nerve S2, S3

39
Q

Plantar interossei action

A

Adduct digits 3-5 and flex metatarsophalangeal joints

40
Q

Dorsal interossei Proximal

A

Adjacent sides of metatarsals 1-5

41
Q

Dorsal interossei distal

A

First: medial side of proximal phalanx of 2nd digit

Second to fourth: Lateral sides of 2nd-4th digits

42
Q

Dorsal interossei innervations

A

Lateral plantar nerve S2, S3

43
Q

Dorsal interossei actions

A

Abduct digits 2-4 and flex metatarsophalangeal joints

Gross anatomy test 4 (8 decks)

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