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Unit 4 > Muscles of sole of foot > Flashcards

Muscles of sole of foot Flashcards

0
Q

Abductor Hallucis insertion

A

medial side of base of proximal phalanx of 1st digit

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1
Q

Abductor Hallucis orgin

A

medial tubercle of tuberosity of calcaneus, flexor retinaculum, and plantar aponeurosis

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2
Q

Abductor Hallucis innervation

A

medial plantar nerve (S2, S3)

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3
Q

Abductor Hallucis action

A

abducts and flexes 1st digit

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4
Q

flexor digitorum brevis orgin

A

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

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5
Q

flexor digitorum brevis insertion

A

both sides of phalanges of lateral four digits

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6
Q

flexor digitorum brevis innervation

A

medial plantar (S2, S3)

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7
Q

flexor digitorum brevis action

A

flexes lateral four digits

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8
Q

Abductor digiti minimi orgin

A

medial and lateral tubercles of tuberosity of calcaneus, plantar aponeurosis , and intermuscular septa

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9
Q

Abductor digiti minimi insertion

A

lateral side of base of proximal phalanx of 5th digit

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10
Q

Abductor digiti minimi innervation

A

lateral plantar nerve (S2, S3)

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11
Q

Abductor digiti minimi action

A

abducts and flexes base of 5th digit

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12
Q

Quadratus Plantae orgin

A

medial surface and lateral margin of plantar surface of calcaneus

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13
Q

Quadratus Plantae insertion

A

posterolateral margin of tendon of flexor Digitorum Longus

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14
Q

Quadratus Plantae innervation

A

lateral plantar nerve (S2, S3)

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15
Q

Quadratus Plantae action

A

assists flexor Digitorum longus in flexing lateral 4 digits

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16
Q

Lumbricals orgin

A

tendons of flexor Digitorum Longus

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17
Q

Lumbricals insertion

A

medial aspect of expansion over lateral four digits

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18
Q

Lumbricals innervation

A

medial one: medial plantar (S2, S3)

lateral three” plantar nerve (S2, S3)

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19
Q

Lumbricals action

A

flex proximal phalanges and extends middle and distal phalanges of lateral four digits

20
Q

Flexor hallucis brevis orgin

A

plantar surface of cuboid and lateral cuneiform

21
Q

Flexor hallucis brevis insertion

A

both sides of base of proximal phalanx of 1st digit

22
Q

Flexor hallucis brevis innervation

A

medial plantar nerve (S2, S3)

23
Q

Flexor hallucis brevis action

A

flexes proximal phalanx of 1st digit

24
Q

Adductor Hallucis orgin

A

oblique head: bases of metatarsals 2-4

transverse head: plantar ligaments 3rd - 5th metatarsophalangeal joints

25
Q

Adductor Hallucis insertion

A

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

26
Q

Adductor Hallucis innervation

A

deep branch of lateral plantar (S2, S3)

27
Q

Adductor Hallucis action

A

Adducts 1st digit; assists in maintaing transverse arch of foot

28
Q

flexor digiti minimi brevis orgin

A

base of 5th metatarsal

29
Q

flexor digiti minimi brevis insertion

A

base of proximal phalanx of 5th digit

30
Q

flexor digiti minimi brevis innervation

A

superficial branch of lateral plantar nerve (S2, S3)

31
Q

flexor digiti minimi brevis action

A

flexes proximal phalanx of 5th digit; assisting with flexion

32
Q

plantar interossei orgin (three muscles )

A

bases of medial sides of metatarsal 3-5

33
Q

plantar interossei insertion

A

medial sides of basess of proximal phalanges of 3-5 digits

34
Q

plantar interossei innervation

A

lateral plantar nerve (S2, S3)

35
Q

plantar interossei action

A

adducts digits (3-5) and flex metatarsophalangeal joints

36
Q

dorsal interossei (four muscles) orgin

A

adjacent sides of metatarsals (1-5)

37
Q

dorsal interossei insertion

A

First: medial side of proximal phalanx of 2nd digit

second- four: lateral sides of (2-4) digits

38
Q

dorsal interossei inervation

A

lateral plantar nerve (S2, S3)

39
Q

dorsal interossei action

A

abducts (2-4) and flex metatarsophalangeal joints

40
Q

fibularis longus orgin

A

head and superior two thirds of lateral surface of fibula

41
Q

fibularis longus insertion

A

base of 1st metatarsal and medial cuneiform

42
Q

fibularis longus innervation

A

superficial fibular nerve (L5 , S1, S2, )

43
Q

fibularis longus action

A

everts foot; weak plantar flexion

44
Q

fibularis brevis orgin

A

middle part of lateral surface of fibula

45
Q

fibularis brevis insertion

A

dorsal surface of tuberosity of 5th metatarsal

46
Q

fibularis brevis innervation

A

superficial fibbular nerve (L5, S1, S2)

47
Q

fibularis brevis action

A

everts foot; weakl plantar flexion

Unit 4 (8 decks)

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