foot joints Flashcards

1
Q

what type of joints are the prox and distal tibiofibular joints

A

prox- synovial

distal-syndesmosis

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2
Q

what two ligs help stabilize the distal tibiofib joint

A

Ant and post tibiofibular j

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3
Q

what three ligs make up the distal syndesmosis

A

interosseous tibiofibular
posterior tibiofibular
inferior transverse tibiofibular

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4
Q

attachments of post tibiofibular lig

A

malleolar fossa to postlat margin of tibia

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5
Q

attachments of transverse tibiofibular lig

A

btwn post margin of medial malleolus and malleolar fossa of lat malleolus

forms malleolar mortise

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6
Q

what surfaces make up the talocrural hinge j

A

formed by tibia, fibula and talus

superior articular facet, lateral malleolar face, medial articular facet

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7
Q

when is the talocrural joint most unstable

A

when it is plantar flexed because the post part of the talus is thinner

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8
Q

what 4 ligs make up the medial collateral deltoid lig of the ankle

A
  • Ant tibiotalar
  • tibionavivular
  • tibiocalcaneal
  • post tibiotalar
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9
Q

what structure makes the floor of the tarsal tunnel

A

deltoid lig

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10
Q

3 lat collateral ligs

A

post talofibular
calcaneofibular
ant talofibular

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11
Q

fibulas longus and braves crosses what log

A

calcaneofubibular

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12
Q

most frequently torn lig in lat ankle

A

ant talofibular

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13
Q

what happens during an eversion sprain

A

medial malleolus is torn off by tibiocalcaneal lig

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14
Q

what makes up the subtler j

A

inf surface of talus (post)

Sup surface of calcaneus (post)

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15
Q

what stabilizes the subtlar j

A

interosseous talocalcaneal j

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16
Q

what is the tarsal sinus and where is it located

A

btw calcaneal sulcus and talar sulcus lat side

interosseous talcalcaneal fills it

17
Q

where does more inversion + eversion take place in the foot

A

talo-calcaneo-navicular plane synovial j

18
Q

what makes up the transverse tarsal ball and socket joint and what stabalizes it

A

calcaneocuboid j
talonavicular j

bifurcate lig

19
Q

where does the bifurcate lig attach

A

dorsal calcaneous and then bifurcate to cuboid and navicular

20
Q

where does the lisfranc lig go and what joint does it stabilize

A

base of medial cuniform to base of 2nd metatarsal

stabilizes tarsometatarsal lisfrank j

21
Q

what lig is found on either side of the metatarsophalangeal and interphalangeal j

A

medial and lat collateral ligaments

22
Q

where do the medial and lat collateral ligs attach and in what movement do they get taught

A

dorsal surface of the proximal bone to the dorsal tubercle of the metatarsal bone

23
Q

what are the 5 ligs on the plantar surface of the foot

A
  1. long plantar
  2. short plantar
  3. spring lig (calcaneonavicular)
  4. plantar lig plates
  5. deep transverse metatarsal lig
24
Q

attachments of long and short plantar lig

A

long- base of calcaneous to groove of cuboid and bases of metatarsals

short- ant tubercle of base of calcaneous to inf surface of cuboid

25
attachments of spring lig and what happens when it tears
medial bird of satinaculum tali and med margin of calcaneal bone squires flat foot
26
where are the plantar plate lig found
thickening along the plantar surface of the metatarsal, phalangeal and interphalengeal j
27
where is the deep transverse metatarsal log found
interconnecting the plantar plate ligs