tarsal joint Flashcards Preview

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Flashcards in tarsal joint Deck (31):
1

pronation and supination with heel fixed

occurs at tansverse tarsal j

2

pronation and supination with heel free

occurs at both transverse tarsal and subtalar joint

3

articular facets on calcaneous

promote gliding motion
-ant
-post
-middle

4

interosseus talocalcaneal lig

keeps talus and calc bound together
restrains excessive eversion and inversion

5

cervical lig

same function as interosseus lig

6

movement at subtalar joint

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

7

transverse tarsal joints allow you to

walk on uneven surfaces

8

transverse tarsal joint mvmt

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

9

transverse tarsal joint components (2)

talonavicular
calcaneocuboid

10

talonavicular J

ball and socket, strengthened by spring lig

11

calcaneocuboid j

planar, strengthened by long and short plantar ligs

12

long and short planar ligs

support calcaneocuboid joint
reinforce lateral longitudinal arch

13

spring lig

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

14

tarsometatarsal joint

transverse arch
limited motion
planar

15

metatarsophalangeal joint

condyloid
flex/ext ad/abduction

16

interphalangeal j

synovial hinge
flex/ext

17

pes planus

flattening on med long arch
overstretched and weak spring lig

18

pes cavus

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

19

pes valgus

forefoot abducted
arthritis or weakness in tin ant or post m's

20

pes varus

forefoot adducted
weakness in fib longus and brevis

21

deep fibular and tibial n damage

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

22

superficial/common fib n damage

inability to pronate
fib longus and brevis
S1 radiculopathy

23

primary supinators at tarsal J

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

24

primary supinator of the foot

tibialis posterior

25

primary pronators at tarsal joint

fib longus and brevis
S1
superficial fib

26

toe walk

tibial n test, S1 radiculopathy

27

heel walk

common or deep fib n test, L5 radiculopathy

28

foot inversion myotome

L4

29

foot eversion myotome

S1

30

ankle DF myotome

L5

31

ankle PF myotome

S1