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Muscles O,I&A's > Intrinsic foot musles > Flashcards

Intrinsic foot musles Flashcards

1
Q

Insertion of Dorsal Interosseous

A

Bases of proximal phalanges for digit 2 (both sides)
& digits 3&4 (lateral sides)

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1
Q

Origin of Dorsal Interosseous

A

Shafts of adjacent metatarsal bones

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2
Q

Action of Dorsal interosseous

A

Abducts digits 2-4
Flexes MTP joints and extends interphalangeal joint of digits 2-4

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3
Q

Origin of Extensor Digitorum Brevis

A

Superolateral surface of calcaneous

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4
Q

Insertion of Extensor Digitorum Brevis

A

Extensor expansions of digits 2-4

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5
Q

Action of Extensor Digitorum Brevis

A

Extends digits 2-4

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6
Q

Origin of Extensor Hallucis Brevis

A

Superolateral surface of calcaneus

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7
Q

Origin of Abductor digiti minimi

A

Medial and lateral side of the tuberosity of calcaneous

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8
Q

Insertion of Extensor Hallucis Brevis

A

Dorsum of base of proximal phalanx of big toe

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9
Q

Action of Extensor Hallucis Brevis

A

Extends big toe

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10
Q

Insertion of Abductor Digiti Minimi

A

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

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11
Q

Action of abductor Digiti Minimi

A

Abducts 5th toe, flexes the 5th MTP joint

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12
Q

Origin of Abductor Hallucis

A

Medial side of the tuberosity of calcaneous

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13
Q

Insertion of Abductor Hallucis

A

Medial side of the base of the proximal phalanx of big toe

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14
Q

Action of Abductor Hallucis

A

Abducts the big toe and flexes the MTP joint

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15
Q

Action of Adductor Hallucis

A

Adducts the big toe

16
Q

Origin of Adductor Hallucis

A

Oblique head : heads of metatarsal 2-4
Transver head: Heads of metatarsals 3-5

17
Q

Insertion of Adductor Hallucis

A

Lateral side of base of proximal phalanx of big toe

18
Q

Origin of Flexor Digiti Minimi Brevis

A

Base of 5th metatarsal

19
Q

Inseriton of Flexor Digiti Minimi Brevis

A

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

20
Q

Action of Flexor Digiti Minimi Brevis

A

Flexes the MTP joint of 5th digit

21
Q

Action of Flexor Digitorum Brevis

A

Flexes the MTP and PIP joint of digits 2-5

22
Q

Origin of Flexor Digitorum Brevis

A

Tuberosity of calcaneous and plantar aponeurosis

23
Q

Insertion of Flexor Digitorum Brevis

A

Bases of distal phalanges of digits 2-5

24
Q

Origin of Flexor Hallucis Brevis

A

Cuboid
Lateral cuneiform
Medial side of 1st metatarsal

25
Q

Insertion of Flexor Hallucis Brevis

A

Medial belly: Medial side of proximal phalanx of big toe
Lateral belly: Lateral side of proximal phalanx of big toe

26
Q

Action of Flexor Hallucis Brevis

A

Flexes the MTP joint of big toe

27
Q

Origin of lumbricals (foot)

A

Tendon of the flexor digitorum longus

28
Q

Insertion of lumbricals (foot)

A

Medial side of the extensor expansion of digits 2-5

29
Q

Action of lumbricals (foot)

A

Flexes MTP joint &
Extends PIP & DIP joints of digits 2-5

30
Q

Origin of Plantar Interosseous

A

Base and medial side of metatarsals 3-5

31
Q

Insertion of Plantar Interosseous

A

Bases of proximal phalanges and extensor expansions of digits 3-5

32
Q

Action of Plantar Interosseous

A

Abducts digits 3-5
Flexes MTP joints and extends interphalangeal joints of digits 3-5

33
Q

Origin Quadratus Plantae

A

Anterior portion of the calceneus and long plantar ligament

34
Q

Insertion Quadratus Plantae

A

Tendon of the flexor digitorum longus muscle

35
Q

Action of Qudratus Plantae

A

Assits the flexor digitorum longus in flexing the toes

Muscles O,I&A's (27 decks)

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