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Kin 100 > 24 and 25 and 26 > Flashcards

24 and 25 and 26 Flashcards

1
Q

What surounds the leg muscles

A

crural fascia

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2
Q

compartments of crural fascia devides muscle into 3 compartments

A

anterior compartment
lateral compartment
posterior compartment

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3
Q

muscles of the anterior leg

A

tibialis anterior
extensor digitorumm longus
fibularis tertius
extensor hallucis longus

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4
Q

tibialis anterior

A

proximal tibia

medial cunieform and base of 1st metacarpal

deep fibular nerve

ankle dorsiflextion, foot inversion

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5
Q

extensor digitorum longus

A

proximal tibia and fibula

middle and distal phalanges of digits 2-5 via extensor expansions

deep fibular nerve

ankle dorsiflexion, extension of digits 2-5

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6
Q

fibularis tertius

A

a lateral extension of extensor digitorum longus
not always present

distal half of fibula

base of 5th metatarsal

deep fibular nerve

ankle dorsiflexion
foot eversion

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7
Q

extensor hallucis longus

A

shaft of fibula

distal phalanx of first digit

deep fibular nerve

ankle dorsiflexion, exension of first digit

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8
Q

retinacula

A

at the ankle joint, there are thickinings of the crural fascia that from bands called retanacula

helps to anchor the tendons that cros the ankle joint and prevent them from “bowstringing” during dorsiflexion

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9
Q

what supleies all the muscles of the anterior compartment of the leg and what it come from

A

deep fibular nerve

comes from common fibular nerve which winds around the neck of the fibula and then devides into superficial fibular nerve and deep fibular nerve

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10
Q

what is the major artery found tin the anterior compartment of the leg
where it come from, where it go

A

anterior tibial artery

popliteal artery splits just distal to the poplieal fossa, into anterior tibial artery and posterior tibial artery

anterior tibial artery continues onto the dorsum of the foot as the dorsalis pedis artery

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11
Q

what are the muscles of the lateral compartmetn of the leg

A

fibularis longus and fibularis brevis

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12
Q

fibularis longus

A

head of the fibula

medial cuneiform and base of 1st metatarsal

superficial fibulr nerve

foot eversion, ankle plantarflexion

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13
Q

fibularis brevis

A

lateral surface of fibula

base of 5th metatarsal

superficial fibular nerve

foot eversion, ankle plantarflexion

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14
Q

where do the tendons of fibularis longus and brevis pass

A

behind the lateral malleolus

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15
Q

superficial fibular nerve suppleis all the muscles in the laterla compartment of the leg where it from

A

laterlal compartment of the leg, deep fibular nerve

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16
Q

what is the major artery supplying the lateral compartment of the leg, what is it a branch of

A

fibular artery, branch of posterior ibial artery

17
Q

the 2 groups of muscles in the posterior leg, and muscles in them

A

superficial muscle group
- gastrocnemius
- soleus
- plantaris

deep muscle group
- poplitues
- flexor hallucis longus
flexor digitorum longos
- tibialis posterior

18
Q

gastrocnemius

A

medial head: medial femoral condyle
lateral head: lateral femoral condyle

calcanieus via calcaneal tendon

tibial nerve

ankle plantar flexion
knee flexion

19
Q

soleus

A

soleal line of tibia and head of fibula

calcanues via calcaneal tendon

tibial nerve

ankle plantar flexion

20
Q

plantaris

A

lateral femoral condyle

calcaneus via valvaneal endon

tibial nerve

weakly assist gastrocnemius and soleus

21
Q

poplitues

A

lateral condule of femor

posterior tibia, proximal to soleals line

tibial nerve

unlocks the extended knee by rotating the femor 5 degree laterally

22
Q

flexor hallucis longus

A

fibulla

base of distal phalanx of great toe

tibial nerve

flexion of great tow at all joints, ankle plantar flexion

23
Q

flexor digitorom longus

A

tibia and fibula

base of distal phalanges of digits 2-5

tibial nerve

flaxion of digits 2-5 at all joints, ankle plantar flexion

24
Q

tibialis posterior

A

tibia and fibula

navicular, cunieform, cuboid, calcaneus and bases of 2nd, 3rd, and 4th metatarsals

tibial nerve

ankle plantarflexion, foot inversion

25
Q

where do the tendons of the deep posterior muscle group pass behind

A

the medial malleolus

26
Q

what nerve suplies all the muscles in the posterior compartment

A

tibail nerve

27
Q

what does the tibal nerve pass through to enter the posterior compartment of the leg

A

popliteal fossa

28
Q

what is the major artery found in the posterior compartmetn of the leg, where it from where and what it split to

A

posterior tibial artery, popliteal artery which splis from the popliteal fossa, posterior tibial artery continues into the sole of the foot and splis into the medial and lateral planter arteris

29
Q

wuptered calcaneal tendon how it happens

A

rupture of the calcaneal tendon can occur during a dorceful push off (plantarflexion) with the knee extended

Kin 100 (6 decks)

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