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Thursday, june 25 , 2015 anterior and lateral leg and dorsum of foot > thursday june 18 > Flashcards

thursday june 18 Flashcards

0
Q

ant compartment innervation

A

deep fibular nerve (peroneal n)

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1
Q

ant compartment muscles

A

fibularis tertius
tibialis anterior
extensor digitorum longus
extensor hallucis longus

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2
Q

blood suppyl to ant compart

A

ant tibial artery

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3
Q

Tibialis ant. attachement (ant compartment)

A

lateral condyle and lateral 2/3 of lateral surface of tibia and interosseous membrane

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4
Q

Tibialis anterior distal attachment (insertion)

A

medial and inferior surfaces of medial cuneiform and 1st base of metatarsals

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5
Q

tibialis anterior action

A

dorsiflexes ankle,inverts foot and and supports medial longitudinal arch of foot

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6
Q

ant compart. - extensor hallucis longus - O:

A

middle part of ant surface of fibula and interosseous membrane

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7
Q

extensor hallucis longus - insertion

A

dorsal aspect of base of middle phalanx of great toe

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8
Q

extensor hallucis longus - innervation and action

A

deep fibular nerve (peroneal) L5,S1

extends great toe and dorsiflexes ankle

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9
Q

extensor digitorum longus (ant compart.)- O

A

lateral condyle of tibia and superior 2/3 of ant. surface of fibula and interosseous membrane

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10
Q

extensor digitorum longus insertion

A

middle and distal phalangis of lateral 4 digits

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11
Q

fibularis tertius - O

A

inferior third of ant. surface of fibula and interosseous membrane

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12
Q

fibularis tertius - I

A

dorsum of base of 5th metatarsal

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14
Q

tibularis tertius - I/A

A

dorsiflexes ankle and aids in eversion of foot

deep fibula nerve (l5,S1), called also peroneal

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15
Q

lateral compartment muscles

A

fibularis longus m

fibularis brevis m

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16
Q

fibularis longus -O

A

head and superior 2/3of lateral surface of fibula

17
Q

fibularis longus (lateral compartment) - I

A

base of 1st metatrsal and medial cuneiform

18
Q

evert foot

A

lateral compartment: fibularis longus m and fibularis brevis m
ant compartment: fibularis tertius

19
Q

fibularis longus innervation/action

A

superior fibular nerve (L5, S1,S2)
evert foot
weekly plantar flex ankle
SUPPORTS TRANSVERS ARCH OF FOOT

20
Q

FIBULARIS BREVIS M - O

A

middle part of lateral surface of fibula

21
Q

fibularis brevis - I

A

dorsal surface of tuberosisty of base of 5th metatarsal

22
Q

fibularis brevis I/A

A

superficial fibularis nerve (L5,S1,S2)

evert foot and weakly pantarflex ankle

23
Q

lateral compartment or evertor compartment of leg

A

lateral surface of fibula, ant and post. intermuscular sept and deep fascia of leg

24
Q

how do lateral compartment muscles pass?

A

fibularis longus and brevis pass posterior to lateral malleolus

25
Q

lateral compartment nerve

A

is superficial fibular nerve (l5,S1,S2) which is a branch of common fibular nerve and after supplying the 2 muscles of this compart. (fibularis longus and Brevis) goes forward to supply the skin

26
Q

blood supply to lateral compartment of leg

A
  • proximal: perforating branches of ant. tibial

- distal : perforating branches of fibular artery

27
Q

genicular artery branches are coming from

A

femoral a., popliteal a., ant and post recurrent branches of ant. tibial and circumflex fibula a.

28
Q

tibiofibula joint

A

superior tibiofibula joint and tibiofibular syndesmosis

29
Q

tibiofibular syndesmosis

A

is imp in the stability of ankle joint because it keeps the lateral malleoulus firmly against the lateral surface of tallus.Other structres also contribute: interossseous tibio fib. ligament, ant and post. tibiofibular ligaments, inf transverse tibio fib ligaments

30
Q

wall of the malleolar mortise for trochlea

A

sup artic surface of talus

32
Q

extensor digitorum longus - I/A

A

extends phalanx lateral 4 digits and dorsiflexes ankle

deep fibular nerve L5, S1

Thursday, june 25 , 2015 anterior and lateral leg and dorsum of foot (1 decks)

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