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Clinical Anatomy > Leg and Foot Muscles > Flashcards

Leg and Foot Muscles Flashcards

1
Q

Action of Abductor Digiti Minimi

A

Abducts and flexes 5th digit

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2
Q

Action of Abductor Hallucis

A

Abducts and flexes 1st digit

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2
Q

Action of Adductor Hallucis

A

Adducts 1st digit, supports transverse arch

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2
Q

Action of Dorsal Interossei

A

Abducts digits 2-4, flexes metatarsophalangeal joints

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3
Q

Action of Extensor Digitorum Longus

A

Extends digits 2-5, dorsiflexes ankle

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3
Q

Action of Extensor Digitorum Brevis

A

Extends digits 2-5, at MP and IP joints

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4
Q

Action of Extensor Hallucis Brevis

A

Extends great toe at MP joint

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5
Q

Action of Extensor Hallucis Longus

A

Extends great toe, dorsiflexes ankle

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5
Q

Action of Fibularis Tertius

A

Dorsiflexion and eversion

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5
Q

Action of Flexor Digitorum Brevis

A

Flexes digits 2-5

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5
Q

Action of Flexor Digiti Minimi Brevis

A

Flexes proximal phalanx of 5th digit

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6
Q

Action of Flexor Digitorum Longus

A

Flexes digits 2-5, plantarflexion, supports longitudinal arch of foot

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7
Q

Action of Flexor Hallucis Brevis

A

Flexes proximal phalanx of great toe

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8
Q

Action of Gastrocnemius

A

Plantarflexion, flexes knee

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8
Q

Action of Flexor Hallucis Longus

A

Flexes great toe, plantarflexes foot, supports longitudinal arch of foot

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8
Q

Action of Lumbricals (foot)

A

Flexes proximal phalanges, extends middle and distal phalanges of digits 2-5

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9
Q

Action of Peroneus Brevis

A

Eversion, plantarflexion

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10
Q

Action of Peroneus Longus

A

Eversion, plantarflexion

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11
Q

Action of Plantar Interossei

A

Adducts digits 2-4, flexes metatarsophalangeal joints

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12
Q

Action of Plantaris

A

Plantarflexion, flexes knee

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12
Q

Action of Popliteus

A

Knee flexion, unlocks knee by internally rotating the tibia during NWB flexion and externally rotates the femur during weight bearing flexion

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13
Q

Action of Quadratus Plantae

A

Flexes digits 2-5

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14
Q

Action of Soleus

A

Plantarflexion

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15
Q

Action of Tibialis Anterior

A

Dorsiflexion and Inversion

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16
Q

Action of Tibialis Posterior

A

Plantarflexion, inversion

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16
Q

Innervation of Abductor Digiti Minimi

A

Lateral plantar nerve (S2, S3)

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17
Q

Innervation of Abductor Hallucis

A

Medial plantar nerve (S2, S3)

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17
Q

Innervation of Adductor Hallucis

A

Deep branch of lateral plantar nerve (S2, S3)

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18
Q

Innervation of Dorsal Interossei

A

Lateral plantar nerve (S2, S3)

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19
Q

Innervation of Extensor Digitorum Brevis

A

Deep fibular nerve (L5 or S1 or both)

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20
Q

Innervation of Extensor Digitorum Longus

A

Deep fibular nerve (L5, S1)

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21
Q

Innervation of Extensor Hallucis Brevis

A

Deep fibular nerve (L5 or S1 or both)

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22
Q

Innervation of Extensor Hallucis Longus

A

Deep fibular nerve (L5, S1)

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23
Q

Innervation of Fibularis Tertius

A

Deep fibular nerve (L5, S1)

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24
Q

Innervation of Flexor Digiti Minimi Brevis

A

Superficial branch of lateral plantar nerve (S2, S3)

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25
Q

Innervation of Flexor Digitorum Brevis

A

Medial plantar nerve (S2, S3)

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26
Q

Innervation of Flexor Digitorum Longus

A

Tibial nerve (S2, S3)

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27
Q

Innervation of Flexor Hallucis Longus

A

Tibial nerve (S2, S3)

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27
Q

Innervation of Flexor Hallucis Brevis

A

Medial plantar nerve (S2, S3)

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28
Q

Innervation of Gastrocnemius

A

Tibial nerve (S1, S2)

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29
Q

Innervation of Lumbricals (foot)

A

Medial one: Medial plantar nerve (S2, S3) Lateral three: Lateral plantar nerve (S2, S3)

30
Q

Innervation of Peroneus Brevis

A

Superficial Fibular nerve (L5, S1, S2)

31
Q

Innervation of Peroneus Longus

A

Superficial Fibular nerve (L5, S1, S2)

32
Q

Innervation of Plantar Interossei

A

Lateral plantar nerve (S2, S3)

34
Q

Innervation of Plantaris

A

Tibial nerve (S1, S2)

36
Q

Innervation of Popliteus

A

Tibial nerve (L4, L5, S1)

37
Q

Innervation of Quadratus Plantae

A

Lateral plantar nerve (S2, S3)

38
Q

Innervation of Soleus

A

Tibial nerve (S1, S2)

40
Q

Innervation of Tibialis Anterior

A

Deep fibular nerve (L4,L5)

40
Q

Innervation of Tibialis Posterior

A

Tibial nerve (L4, L5)

41
Q

Insertion of Abductor Digiti Minimi

A

Lateral side of base of proximal phalanx of 5th digit

42
Q

Insertion of Abductor Hallucis

A

Medial side of base of proximal phalanx of 1st digit

43
Q

Insertion of Adductor Hallucis

A

Lateral side of base of proximal phalanx of 1st digit

44
Q

Insertion of Dorsal Interossei

A

1st: medial side of proximal 2nd phalanx 2-4: lateral sides of digits 2-4

45
Q

Insertion of Extensor Digitorum Brevis

A

Long extensor tendons of digits 2-5

47
Q

Insertion of Extensor Digitorum Longus

A

Middle and distal phalanges of digits 2-5

48
Q

Insertion of Extensor Hallucis Brevis

A

Dorsal aspect of base of proximal phalanx of great toe

50
Q

Insertion of Extensor Hallucis Longus

A

Dorsal aspect, base of great toe

51
Q

Insertion of Fibularis Tertius

A

Dorsum of base of 5th metatarsal

51
Q

Insertion of Flexor Digiti Minimi Brevis

A

Base of proximal phalanx of 5th digit

53
Q

Insertion of Flexor Digitorum Brevis

A

Side of middle phalanges of digits 2-5

55
Q

Insertion of Flexor Digitorum Longus

A

Base of distal phalanges 2-5

56
Q

Insertion of Flexor Hallucis Brevis

A

Both sides of proximal phalanx of 1st digit

57
Q

Insertion of Flexor Hallucis Longus

A

Base of distal phalanx of great toe

59
Q

Insertion of Gastrocnemius

A

Posterior Calcaneus

60
Q

Insertion of Lumbricals (foot)

A

Medial aspect of expansion of digits 2-5

61
Q

Insertion of Peroneus Brevis

A

Dorsal surface, lateral side of tuberosity on base of 5th metatarsal

62
Q

Insertion of Peroneus Longus

A

Base of 1st metatarsal and 1st cuneiform

63
Q

Insertion of Plantar Interossei

A

Medial sides of base of phalanges 3-5

64
Q

Insertion of Plantaris

A

Posterior Calcaneus

65
Q

Insertion of Popliteus

A

Posterior tibia superior to soleal line

67
Q

Insertion of Quadratus Plantae

A

Posterior margin of tendon of Flexor Digitorum Longus

69
Q

Insertion of Soleus

A

Posterior Calcaneus

71
Q

Insertion of Tibialis Anterior

A

Medial and inferior surface of 1st cuneiform, base of 1st metatarsal

72
Q

Insertion of Tibialis Posterior

A

Navicular tuberosity, Cuboid, Cuneiform 1-3, base of metatarsals 2-4

73
Q

Origin of Abductor Digiti Minimi

A

Medial and lateral tubercles of calcaneal tuberosity, plantar aponeurosis, intermuscular septa

75
Q

Origin of Abductor Hallucis

A

Medial tubercle of calcaneal tuberosity, flexor retinaculum, plantar aponeurosis

76
Q

Origin of Adductor Hallucis

A

Oblique Head: bases of metatarsals 2-4

Transverse Head: plantar ligaments of metatarsophalangeal joint

77
Q

Origin of Dorsal Interossei

A

Adjacent sides of metatarsals 1-5

78
Q

Origin of Extensor Digitorum Brevis

A

Calcaneus, interosseous talocalcaneal ligament, stem of inferior extensor retinaculum

80
Q

Origin of Extensor Digitorum Longus

A

Lateral tibial condyle, interosseous membrane, superior 3/4 of medial fibula

80
Q

Origin of Extensor Hallucis Brevis

A

Calcaneus, interosseous talocalcaneal ligament, stem of inferior extensor retinaculum

81
Q

Origin of Extensor Hallucis Longus

A

Middle part of anterior fibula, interosseous membrane

82
Q

Origin of Fibularis Tertius

A

Inferior 2/3 of anterior fibula, interosseous membrane

84
Q

Origin of Flexor Digiti Minimi Brevis

A

Base of 5th metatarsal

85
Q

Origin of Flexor Digitorum Brevis

A

Medial tubercle of calcaneal tuberosity, plantar aponeurosis, intermuscular septa

86
Q

Origin of Flexor Digitorum Longus

A

Medial posterior surface of tibia, inferior to soleal line, broad aponeurosis to fibula

87
Q

Origin of Flexor Hallucis Brevis

A

Plantar surface of cuboid and lateral cuneiforms

88
Q

Origin of Flexor Hallucis Longus

A

Inferior 2/3 of posterior fibula, inferior interosseous membrane

89
Q

Origin of Gastrocnemius

A

Lateral head: lateral aspect of lateral femoral condyle Medial head: Popliteal surface, superior to medial femoral condyle

90
Q

Origin of Lumbricals (foot)

A

Tendon of Flexor Digitorum Longus

91
Q

Origin of Peroneus Brevis

A

Inferior 2/3 of lateral fibular

93
Q

Origin of Peroneus Longus

A

Superior 2/3 of lateral fibular head

94
Q

Origin of Plantar Interossei

A

Bases and medial sides of metatarsals 3-5

95
Q

Origin of Plantaris

A

Inferior, lateral supracondylar line, oblique popliteal ligament

96
Q

Origin of Popliteus

A

Lateral surface of lateral femoral condyle, lateral mensicus

97
Q

Origin of Quadratus Plantae

A

Medial surface, lateral margin of plantar calcaneus

98
Q

Origin of Soleus

A

Posterior Fibular head, superior 1/4 posterior fibula, soleal line, medial tibia

99
Q

Origin of Tibialis Anterior

A

Lateral tibial condyle, superior 1/2 of lateral tibia, interosseous membrane

100
Q

Origin of Tibialis Posterior

A

Interosseous membrane, posterior tibia inferior to soleal line, posterior fibula

Clinical Anatomy (7 decks)

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