Tib-Fib Ankle Joints Flashcards

1
Q

Tib tuberosity if what kind of epiphysis?

A

traction

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2
Q

soleal line where? for? what kind of muscle?

A

posterior tibia; Soleus: slow twitch postural muscle

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3
Q

Why is soleus a postural muscle?

A

COG in front of ankle, need soleus to hold it back when upright

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4
Q

Tib-fib in a fracture situation, which goes?

A

Ring hypophyses, usually both

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5
Q

Fibula function

A
  1. Non-weight bearing

2. muscle attachments

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6
Q

what kind of joint if superior tib fib joint?

A

synovial

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7
Q

what kinda of joint if inferior tib fib joint?

A

Fibrous (syndesmosis)

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8
Q

purpose of syndesmosis joint in inferior tib fib joint?

A

prevent separation during weight bearing

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9
Q

syndesmosis forms?

A

malleolar mortise

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10
Q

March stress fracture on which toe?

A

2nd metatarsal

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11
Q

3 cuneiform are?

A

medial
intermediate
lateral cuneiform

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12
Q

talocrural joint is?

A

talus and inf. tib-fib

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13
Q

subtalar joint is?

A

talocalcaneal

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14
Q

midtarsal joints of talus are?

A

talocalcaneonavicular

calcaneocuboid

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15
Q

talocrural joint is what kind of joint?

A

synovial hinge

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16
Q

plantarflexion goes with which movement too?

A

inversion

17
Q

dorsiflexion goes with which movement too?

A

eversion

18
Q

2 important ligaments in posteriro inf ?tib-fib

A
  1. posterior tibiofibular ligament

2. inferior transverse ligament

19
Q

ankle capsule attaches to body neck or head of talus?

A

neck

20
Q

medial ligaments of ankle:

A
deltoid ligament:
Tibio-calcaneal
Tibio-navicular
Ant Tibiotalar
Post tibiotalar
21
Q

what is the spring ligament?

A

plantar calcaneonavicular ligament

22
Q

3 ligaments of lateral ankle

A
  1. Anterior Talofibular
  2. Calcanealfibular
  3. posterior talofibular
23
Q

spring ligament does what?

A

reinforces and maintains head of talus

24
Q

body of talus is concave or convex posteriorly?

A

concave

25
Q

head of talus is concave or convex anteriorly?

A

convex

26
Q

spring ligament spans which joint?

A

Talocalcaneonavicular joint

27
Q

what is in the sinus tarsi?

A

interosseous talocalcaneal ligament

28
Q

interosseous talocalcaneal ligament purpose?

A

bind calcaneus and talus firmly

29
Q

vascular supply of sinus tarsi?

A

sparse because little muscle

30
Q

purpose of subtalar joint?

A

inversion/eversion

31
Q

purpose of calcanealcuboid joint?

A

pronation/supination

32
Q

what are Lisfranc joints?

A

tarsometatarsal joints

33
Q

metatarsophalangeal joints are what kind of synovial joints?

A

condylar

34
Q

interphalangeal joints are what kind of synovial joints?

A

hinge

35
Q

how many arches in foot?

A

2 longitudinal: medial/lateral

1 transverse

36
Q

purpose of arch?

A

support and spring in locomotion

37
Q

plantar aponeurosis between?

A

calcaneus and metatarsal heads

38
Q

windlass mechanism?

A

toes dorsiflex and tighten arch and propel and help during toe-off/push off