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701 Anatomy > leg and ankle joint > Flashcards

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
Q

posterior compartment (superficial and deep)

A

plantar flexion
tibial nerve
PTA

26
Q

superficial posterior compartment

A

all insert on the calcanea tuberosity via the tendoncalcaneous achilles

27
Q

superficial compare (3)

A

gastrocnemius
soleus
plantaris

28
Q

gastrocnemius

A

medial and lateral condyles of femur
contributes to knee flexion and plantar flexion

29
Q

soleus

A

soleal line of the tibia and head of the femur

30
Q

plantirs

A

lateral femoral epicondyle
absent in 5-20% of population

31
Q

mechanism of injury to calcanea tendon

A

sudden, unexpected or violent dorsiflexion of the foot while in plantar flexion
sudden forced plantar flexion
individuals who don’t exercise regularly

32
Q

what runs through the tendinous arch of soleus

A

tibial nerve
popliteal Artery and vein

33
Q

in rare occurrences the tibial nerve can be compressed by the tendinous arch. what signs might this patient have?

A

weak plantar flexion
week foot intrinsics

34
Q

deep posterior compartment

A

tibialis posterior
flexor hallucis longus
flexor digitorum longus

35
Q

tibiliais posterior

A

O: interosseous membrane and borders of tibia and fibula
I: navicular tuberosity, cuneiforms, 2-4 metatarsals
contributes to inversion, works with tibial artery

36
Q

flexor digitorum longus

A

O: posterior middle third of tibia
I: phalanges 2-5
brintubutes to inversion

37
Q

flexor hallucis longus

A

O: Posterior fibular and interosseous membrane
I: digit 1, distal phalanx (may act with triceps sure in plantar flexion)

38
Q

superficial posterior compartment innervation

A

S1 and S2

39
Q

Deep compartment innervation

A

L4- S2

40
Q

posterior compartment blood supply

A

tibial artery and fibular artery

41
Q

posterior tibial artery passes through the

A

tarsal tunnel

42
Q

keystone of the foot that takes the weight of your body

A

talus

43
Q

the ankle joint (ankle mortise)

A

a recess cut into a part, designed to receive a corresponding projection ( a tendon) to join or lock the parts together

44
Q

ankle joints

A

tibiofibular syndesmosis
talocurural
subtalar joint

45
Q

tibiofibular syndesmosis

A

between tibia and fibula
interosseous membrane

46
Q

talocural - true ankle joint

A

hinge joint - dorsiflexion and plantar flexion

47
Q

subtalar joint

A

talus and calcaneus
inversion and eversion of foot

48
Q

movements of the ankle joint

A

plantar/dosiflexion
inversion/eversion
adduction/abduction

49
Q

supination

A

plantar flexion, inversion, adduction

50
Q

pronation

A

dorsiflexion, eversion, abduction

51
Q

ligaments of the ankle joint (tibiofibular)

A

fibrous joint / syndesmosis (continuation of IOM)
anterior and posterior tibiofibular ligaments
fibers course in same direction as the IOM to increase stability

52
Q

lateral ligament of talocrural

A

anterior talofibular lig
posterior talofibular lig
calcaneofibular ligament

53
Q

medial ligament of talocrural

A

Posterior tibiotalar
anterior tibiotalar
tibionavicular
tibiocalcaneal

54
Q

blood supply to the ankle joint

A

Dorsalis pedis artery
(branches of fibular, anterior tibial and posterior tibial arteries)

55
Q

ankle sprains happen during

A

inversion
plantar flexion
70-80% bball players got sprain

56
Q

most likely torn portion is the

A

talofibular ligament followed next by the calcaneofibular ligament

57
Q

TF fractures

A

eversion

58
Q

fibular feature with excessive

A

inversion of foot

701 Anatomy (18 decks)

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