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Human Body Systems > Leg and Foot > Flashcards

Leg and Foot Flashcards

1
Q

Crural fascia

A

deep fascia of the leg

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2
Q

Compartments of leg

A

posterior, lateral, anterior

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3
Q

superficial posterior compartment muscles

A

Gastrocnemius, soleus, and plantari

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4
Q

Gastrocnemius AIM

A

A: medial and lateral femoral condyles to calcaneus via calcaneal tendon (achilles)
I: Tibial n.
M: knee flexion, plantar flexion

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5
Q

Soleus AIM

A

A: fibula and tibia to calcaneus via calcaneal tendon
I: tibial n.
M: plantarflexion

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6
Q

What do soleus and gastrocnemius form together?

A

gastric soleus group

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7
Q

Plantari innervation

A

tibial n.

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8
Q

Muscles in deep posterior leg compartment

A

Flexor hallicus longus (FHL), tibialis posterior, flexor digitorum longus (FDL), and popliteus

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9
Q

Flexor hallicus longus AIM

A

A: fibula to distal phalanx of great toe
I: tibial n.
M: Flexes 1st digit, plantarflexion

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10
Q

Tibialis posterior AIM

A

A: fibula and tibia to tarsal and metatarsal
I: tibial n.
M: plantarflexion, inversion

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11
Q

Tibalis posterior courses around ___ causing ____

A

medial malleolus, foot inversion when muscle shortens

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12
Q

Flexor digitorum longus AIM

A

A: tibia to distal phalanx of digits 2-5
I: tibial n.
M: flexes digits 2-5, plantarflexion

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13
Q

popliteus innervation

A

tibial n.

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14
Q

Where do deep posterior compartment muscles pass?

A

posterior to ankle joint

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15
Q

Muscles in lateral compartment

A

fibularis longus and fibularis brevis

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16
Q

fibularis longus AIM

A

A: proximal fibula to medial tarsal and metatarsal
I: superficial fibular n.
M: eversion, plantarflexion

17
Q

FIbularis longus passes___

A

posterior at lateral malleolus

18
Q

Fibularis brevis AIM

A

A: distal fibular to 5th metatarsal
I: superficial fibular n.
M: eversion, plantarflexion

19
Q

Muscles in anterior compartment

A

Tibialis anterior, extensor hallucis longus, extensor digitorum longus

20
Q

Tibialis anterior AIM

A

A: tibia to medial tarsal and metatarsal
I: deep fibular n.
M: dorsiflexion, inversion

21
Q

Is tibialis anterior medial or lateral to foot?

A

Medial

22
Q

Extensor hallicus longus AIM

A

A: fibula to distal phalanx of great toe
I: deep fibiular n.
M: dorsiflexion, extends great toe

23
Q

Extensor digitorum longus

A

A: tibia and fibula to distal phalanx of toes 2-5
I: deep fibular nerve
M: dorsiflexion, extends toes 2-5

24
Q

Sciatic nerve

A

gives rise to tibial and fibular nerves providing motor below the knee

25
Q

Tibial nerve

A

passes between deep and superficial posterior compartments innervating both compartments

26
Q

Branches of common fibular nerve

A

superficial and deep fibular nerve

27
Q

superficial fibular nerve

A

innervates lateral compartment

28
Q

Deep fibular nerve

A

innervates anterior compartment

29
Q

external iliac artery

A

turns into femoral artery then popliteal artery after adductor hiatus providing all blood below knee

30
Q

popliteal artery bifurcates into ____

A

anterior tibial and posterior tibial arteries (in proximal posterior leg)

31
Q

Posterior tibial artery

A

courses with tibial nerve through posterior compartment

32
Q

Anterior tibial artery

A

passes to anterior compartment

33
Q

Plantar aponeurosis (fascia) structure and attachment

A

Superficial structure on plantar aspect of foot

Attaches to calcaneus to proximal phalanx of digits 1-5

34
Q

Plantar aponeurosis functions

A

Heel strike to mid stance: absorbs loads imposed by body weight
Mid-stance to push off: contributes to rigid nature of the foot during push off

35
Q

muscles in layer 1 (most superficial) of foot

A

abductor digiti minimi, abductor hallicus, and flexor digitorum brevis

36
Q

Muscles in layer 2 of foot

A

lumbricals, quadratus plantae

37
Q

muscles in layer 3 of foot

A

Flexor digiti minimi brevis, adductor hallucis (2 heads), and flexor hallicus brevis

38
Q

Muscles in layer 4 of foot (most deep)

A

3 plantar interossei, 4 dorsal interossei, peroneus longus tendon, and posterior tibialis tendon

Human Body Systems (17 decks)

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