leg and ankle joint Flashcards

1
Q

4 compartments to leg

A

anterior
lateral
superficial posterior
deep posterior

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2
Q

between anterior compartment and deep posterior compartment is

A

interosseous membrane

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3
Q

between anterior compartment and lateral compartment is

A

intermuscualar septum

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4
Q

anterior compartment (4)

A

tibias anterior
extensor hallucis longus
extensor digitorum longus
fibulas tertius

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5
Q

anterior compartment

A

dorsiflexors
deep fibular nerve (common fibular nerve)
anterior tibial artery

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6
Q

dorsiflexors

A

inn: Deep fibular nerve
branches of common fibular nerve
blood: anterior tibial artery

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7
Q

trials anterior

A

I: medial cuneiform and metatarsal 1
action: dorsiflex , inversion

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8
Q

extensor hallucis longus

A

I: digit 1 or great toe
action: dorsiflex

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9
Q

extensor digitorum longus

A

digits 2-5 or digital phalanx

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10
Q

fibulas tertius

A

I: base of the 5th metatarsal
Action: dorsiflex, eversion

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11
Q

fibulas tertius

A

13% of FT muscles are missed in clinical tests
on aver the clinical studies show a prevalence of 80%

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12
Q

which nerve goes to the anterior compartment

A

deep fibular nerve

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13
Q

wich nerve goes to the lateral compartment

A

superficial fibular nerve

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14
Q

blood supplies to anterior compartment

A

anterior tibial artery

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15
Q

deep fibular nerve - lateral terminal branch innervates

A

extensor hallucis brevis

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16
Q

superficial fibular nerve becoming

A

dorsal digital nerves

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17
Q

shin splints

A

overdue resulting in trauma of tibia’s anterior due to small tears in periosteum

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18
Q

damage to deep fibular nerve may result to?

A

weak dorsiflexion / drop foot

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19
Q

lateral compartment

A

fibulas longus
fibulas brevis

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20
Q

lateral compartment

A

plantar flexion
eversion
superficial fibular nerve
fibular artery

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21
Q

medial sural branches of

A

tibial nerve

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22
Q

lateral sural branches of

A

common fibular nerve

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23
Q

lateral compartment blood supply

A

Fibular artery

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24
Q

fibular artery for lateral compartment

A

branch of PTA
branches off just inferior to popliteus
descends along flexor hallucinations longus
sends perforating branches to the lateral compartment

25
posterior compartment (superficial and deep)
plantar flexion tibial nerve PTA
26
superficial posterior compartment
all insert on the calcanea tuberosity via the tendoncalcaneous achilles
27
superficial compare (3)
gastrocnemius soleus plantaris
28
gastrocnemius
medial and lateral condyles of femur contributes to knee flexion and plantar flexion
29
soleus
soleal line of the tibia and head of the femur
30
plantirs
lateral femoral epicondyle absent in 5-20% of population
31
mechanism of injury to calcanea tendon
sudden, unexpected or violent dorsiflexion of the foot while in plantar flexion sudden forced plantar flexion individuals who don't exercise regularly
32
what runs through the tendinous arch of soleus
tibial nerve popliteal Artery and vein
33
in rare occurrences the tibial nerve can be compressed by the tendinous arch. what signs might this patient have?
weak plantar flexion week foot intrinsics
34
deep posterior compartment
tibialis posterior flexor hallucis longus flexor digitorum longus
35
tibiliais posterior
O: interosseous membrane and borders of tibia and fibula I: navicular tuberosity, cuneiforms, 2-4 metatarsals contributes to inversion, works with tibial artery
36
flexor digitorum longus
O: posterior middle third of tibia I: phalanges 2-5 brintubutes to inversion
37
flexor hallucis longus
O: Posterior fibular and interosseous membrane I: digit 1, distal phalanx (may act with triceps sure in plantar flexion)
38
superficial posterior compartment innervation
S1 and S2
39
Deep compartment innervation
L4- S2
40
posterior compartment blood supply
tibial artery and fibular artery
41
posterior tibial artery passes through the
tarsal tunnel
42
keystone of the foot that takes the weight of your body
talus
43
the ankle joint (ankle mortise)
a recess cut into a part, designed to receive a corresponding projection ( a tendon) to join or lock the parts together
44
ankle joints
tibiofibular syndesmosis talocurural subtalar joint
45
tibiofibular syndesmosis
between tibia and fibula interosseous membrane
46
talocural - true ankle joint
hinge joint - dorsiflexion and plantar flexion
47
subtalar joint
talus and calcaneus inversion and eversion of foot
48
movements of the ankle joint
plantar/dosiflexion inversion/eversion adduction/abduction
49
supination
plantar flexion, inversion, adduction
50
pronation
dorsiflexion, eversion, abduction
51
ligaments of the ankle joint (tibiofibular)
fibrous joint / syndesmosis (continuation of IOM) anterior and posterior tibiofibular ligaments fibers course in same direction as the IOM to increase stability
52
lateral ligament of talocrural
anterior talofibular lig posterior talofibular lig calcaneofibular ligament
53
medial ligament of talocrural
Posterior tibiotalar anterior tibiotalar tibionavicular tibiocalcaneal
54
blood supply to the ankle joint
Dorsalis pedis artery (branches of fibular, anterior tibial and posterior tibial arteries)
55
ankle sprains happen during
inversion plantar flexion 70-80% bball players got sprain
56
most likely torn portion is the
talofibular ligament followed next by the calcaneofibular ligament
57
TF fractures
eversion
58
fibular feature with excessive
inversion of foot