tarsal joint Flashcards

1
Q

pronation and supination with heel fixed

A

occurs at tansverse tarsal j

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2
Q

pronation and supination with heel free

A

occurs at both transverse tarsal and subtalar joint

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3
Q

articular facets on calcaneous

A

promote gliding motion

  • ant
  • post
  • middle
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4
Q

interosseus talocalcaneal lig

A

keeps talus and calc bound together

restrains excessive eversion and inversion

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5
Q

cervical lig

A

same function as interosseus lig

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6
Q

movement at subtalar joint

A

DF and PF eliminated, pronation and supination only have 2 components

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7
Q

transverse tarsal joints allow you to

A

walk on uneven surfaces

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8
Q

transverse tarsal joint mvmt

A

pronation: less stable, permits flex/ext of forefoot
supination: stable, locks foot
all 3 components

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9
Q

transverse tarsal joint components (2)

A

talonavicular

calcaneocuboid

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10
Q

talonavicular J

A

ball and socket, strengthened by spring lig

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11
Q

calcaneocuboid j

A

planar, strengthened by long and short plantar ligs

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12
Q

long and short planar ligs

A

support calcaneocuboid joint

reinforce lateral longitudinal arch

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13
Q

spring lig

A

supports talonavicular joint
reinforces medial longitudinal arch
weakness–>pes planus (flat foot)

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14
Q

tarsometatarsal joint

A

transverse arch
limited motion
planar

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15
Q

metatarsophalangeal joint

A

condyloid

flex/ext ad/abduction

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16
Q

interphalangeal j

A

synovial hinge

flex/ext

17
Q

pes planus

A

flattening on med long arch

overstretched and weak spring lig

18
Q

pes cavus

A

exaggerated high arch
tightness in intrinsic foot m’s, plantar fascia,
overaxctiv fib longus and weak ant comp muscles

19
Q

pes valgus

A

forefoot abducted

arthritis or weakness in tin ant or post m’s

20
Q

pes varus

A

forefoot adducted

weakness in fib longus and brevis

21
Q

deep fibular and tibial n damage

A

inability to supinate
tib ant and post m’s
L4 radiculopathy

22
Q

superficial/common fib n damage

A

inability to pronate
fib longus and brevis
S1 radiculopathy

23
Q

primary supinators at tarsal J

A

tibialis ant: deep fib n
tibialis post: tibial n
L4

24
Q

primary supinator of the foot

A

tibialis posterior

25
Q

primary pronators at tarsal joint

A

fib longus and brevis
S1
superficial fib

26
Q

toe walk

A

tibial n test, S1 radiculopathy

27
Q

heel walk

A

common or deep fib n test, L5 radiculopathy

28
Q

foot inversion myotome

A

L4

29
Q

foot eversion myotome

A

S1

30
Q

ankle DF myotome

A

L5

31
Q

ankle PF myotome

A

S1