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ACMT Year 2 > Muscles - Leg & Foot > Flashcards

Muscles - Leg & Foot Flashcards

1
Q

Popliteus Origin

A

Lateral condyle of the femur

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2
Q

Popliteus Insertion

A

Proximal, posterior aspect of the tibia

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3
Q

Popliteus Actions

A

Medial rotation of the flexed knee at the tibiofemoral jt

Flexion of the knee at the tibiofemoral jt

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4
Q

Popliteus Innervation

A

Tibial L4, L5, S1

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5
Q

Plantaris Origin

A

Lateral supracondylar line of femur

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6
Q

Plantaris Insertion

A

Calcaneus via calcaneal tendon

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7
Q

Plantaris Actions

A

Weak plantar flexion of the ankle at talocrual jt

Weak flexion of the knee at tibiofemoral jt

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8
Q

Plantaris Innervation

A

Tibial L4, L5, S1

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9
Q

Fibularis Longus Origin

A

Head of the fibula and proximal 2/3 of lateral fibula

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10
Q

Fibularis Longus Insertion

A

Base of the 1st metatarsal and medial cuneiform

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11
Q

Fibularis Longus Actions

A

Evert the foot at subtalar jt

Assist plantar flexion of the ankle at talocrual jt

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12
Q

Fibularis Longus Innervation

A

Superficial fibular L4, L5 S1

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13
Q

Fibularis Brevis Origin

A

Distal 2/3 of lateral fibula

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14
Q

Fibularis Brevis Insertion

A

Tuberosity of 5th metatarsal

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15
Q

Fibularis Brevis Actions

A

Evert the foot at subtalar jt

Assist plantar flextion of the ankle at talocrual jt

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16
Q

Fibularis Brevis Innervation

A

Superficial fibular L4, L5, S1

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17
Q

Gastrocnemius Origin

A

Posterior surfaces of the condyles of the femur

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18
Q

Gastrocnemius Insertion

A

Calcaneus via calcaneal tendon

19
Q

Gastrocnemius Actions

A

Flex knee at tibiofemoral jt

Plantar flexion of the ankle at the talocrual jt

20
Q

Gastrocnemius Innervation

A

Tibial S1, S2

21
Q

Soleus Origin

A

Soleal line, proximal posterior surface of the tibia, posterior aspect of the head of fibula

22
Q

Soleus Insertion

A

Calcaneus via calcaneal tendon

23
Q

Soleus Actions

A

Plantar flexion of the ankle at the talocrual jt

24
Q

Soleus Innervation

A

Tibial L5, S1, S2

25
Q

Extensor Digitorum Longus Origin

A

Lateral condyle of tibia, proximal anterior shaft of fibula and interosseous membrane

26
Q

Extensor Digitorum Longus Insertion

A

Middle and distal phalanges of 2nd - 5th toes

27
Q

Extensor Digitorum Longus Actions

A

Extension of toes 2-5 at metatarsophalangeal and interphalangeal jt

Dorsiflexion of the ankle at talocrual jt

Evert the foot at subtalar jt

28
Q

Extensor Digitorum Longus Innervation

A

Deep fibular L4, L5, S1

29
Q

Tibialis Anterior Origin

A

Lateral condyle of the tibia, proximal lateral surface of tibia and interosseous membrane

30
Q

Tibialis Anterior Insertion

A

Base of the 1st metatarsal and medial cuneiform

31
Q

Tibialis Anterior Actions

A

Invert the foot at subtalar jt

Dorsiflexion of the ankle at talocrual jt

32
Q

Tibialis Anterior Innervation

A

Deep fibular L4, L5, S1

33
Q

Tibialis Posterior Origin

A

Proximal, posterior shafts of tibia and fibula and interosseous membrane

34
Q

Tibialis Posterior Insertion

A

All 5 tarsal bones and bases of metatarsals 2-4

35
Q

Tibialis Posterior Actions

A

Invert the foot at subtalar jt

Plantar flexion of the ankle at talocrual jt

36
Q

Tibialis Posterior Innervation

A

Tibial L4, L5, S1

37
Q

Flexor Digitorum Longus Origin

A

Middle, posterior surface of tibia

38
Q

Flexor Digitorum Longus Insertion

A

Distal phalanges of toes 2-5

39
Q

Flexor Digitorum Longus Actions

A

Flex toes 2-5 at metatarsophalangeal and interphalangeal jt

Weak plantar flexion or ankle at talocrual jt

Invert foot at subtalar jt

40
Q

Flexor Digitorum Longus Innervation

A

Tibial L5, S1, S2

41
Q

Flexor Hallucis Longus Origin

A

Middle half of posterior fibula

42
Q

Flexor Hallucis Longus Insertion

A

Distal phalanx of 1st toe

43
Q

Flexor Hallucis Longus Actions

A

Flex 1st toe at metatarsophalangeal and interphalangeal jt

Weak plantar flexion of ankle at talocrual jt

Invert foot at subtalar jt

44
Q

Flexor Hallucis Longus Innervation

A

Tibial L5, S1, S2

ACMT Year 2 (2 decks)

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