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Anatomy- Cadaver Lab > Leg > Flashcards

Leg Flashcards

1
Q

Tibialis anterior Origin

A

lateral condyle of tibia, superior lateral surface of tibia

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2
Q

Tibialis anterior Insertion

A

medial (1st) cuneiform (medial and inferior surface), base of first metatarsal

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3
Q

Tibialis anterior Action

A

inversion of foot, dorsiflexion at ankle joint

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4
Q

Tibialis anterior Innervation

A

deep fibular n.

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5
Q

Tibialis anterior Blood Supply

A

anterior tibial a.

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6
Q

Extensor digitorum longus Action

A

extension of all joints of digits 2-5, dorsiflexion at ankle joint

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7
Q

Extensor hallucis longus Action

A

extension of digit one, dorsiflexion at ankle joint

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8
Q

Fibularis (Peroneus) tertius Action

A

dorsiflexion at ankle joint, eversion of foot

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9
Q

Fibularis (Peroneus) longus Origin

A

head and upper 2/3 of lateral fibula

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10
Q

Fibularis (Peroneus) longus Insertion

A

base of first metatarsal, medial (1st) cuneiform

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11
Q

Fibularis (Peroneus) longus Action

A

eversion of foot, plantarflexion at ankle joint

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12
Q

Fibularis (Peroneus) longus Innervation

A

superficial fibular n.

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13
Q

Fibularis (Peroneus) longus Blood Supply

A

fibular a.

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14
Q

Fibularis (Peroneus) brevis Action

A

eversion of foot, plantarflexion at ankle joint

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15
Q

Gastrocnemius Origin

A

superior surface of the medial and lateral condyles of femur

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16
Q

Gastrocnemius Insertion

A

calcaneus (via calcaneal tendon)

17
Q

Gastrocnemius Action

A

plantarflexion at the ankle joint; flexion of leg

18
Q

Gastrocnemius Innervation

A

tibial n.

19
Q

Gastrocnemius Blood Supply

A

popliteal a., posterior tibial a.

20
Q

Soleus Action

A

plantarflexion at ankle joint

21
Q

Plantaris Action

A

assists plantarflexion at ankle joint

22
Q

Popliteus Action

A

rotation of knee around axis (unlocks the knee from extension by rotating the femur laterally on the fixed tibia)

23
Q

Tibialis posterior Origin

A

upper 2/3 of posterior tibia and fibula, interosseous membrane

24
Q

Tibialis posterior Insertion

A

navicular, 1st and 2nd cuneiform, cuboid, calcaneus, metatarsals 2-4

25
Q

Tibialis posterior Action

A

inversion of foot, plantar flexion at ankle joint, adduction of toe-end of foot

26
Q

Tibialis posterior Innervation

A

tibial n.

27
Q

Tibialis posterior Blood Supply

A

posterior tibial a.

28
Q

Flexor hallucis longus Origin

A

middle 1/3 of posterior fibula, interosseous membrane

29
Q

Flexor hallucis longus Insertion

A

base of distal phalanx of digit one

30
Q

Flexor hallucis longus Action

A

flexion of digit one (all joints), plantarflexion at ankle joint (weak), supports longitudinal arches of foot

31
Q

Flexor hallucis longus Innervation

A

tibial n.

32
Q

Flexor hallucis longus Blood Supply

A

posterior tibial a.

33
Q

Flexor digitorum longus Origin

A

middle 1/3 of posterior tibia

34
Q

Flexor digitorum longus Insertion

A

base of distal phalanges of digits 2-5

35
Q

Flexor digitorum longus Action

A

flexion of digits 2-5, plantarflexion at ankle joint (weak), supports longitudinal arches of foot

36
Q

Flexor digitorum longus Innervation

A

tibial n.

37
Q

Flexor digitorum longus Blood Supply

A

posterior tibial a.

Anatomy- Cadaver Lab (9 decks)

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