Module 3: Ankle and Foot Flashcards

(61 cards)

1
Q

dorsiflexion of talus spreads

A

malleloi

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2
Q

more plantarflexion causes

A

more instability

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3
Q

what supports the tibia

A

superior aspect of the talus

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4
Q

3 ligaments of the foot that creates lateral collateral ligament

A
  1. ) Anterior Talofibular Ligament
  2. ) Calcaneofibular
  3. ) Posterior Talofibular
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5
Q

most injured tendon due to plantar flexion and inverson sprain

A

anterior talofibular

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6
Q

second most commonly injured ligament

A

calcaneofibular

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7
Q

talus typically subluxates

A

anterior with ankle sprain

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8
Q

why is there limited dorsfilexion

A

jamming of condyle against anterior tibial ridge

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9
Q

80% of ankle sprains are

A

inversion

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10
Q

what muscles are attached to the talus

A

none

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11
Q

DDX of subluxated talus

A

short achilles/tight calf
congenital anomaly
anterior tibial bone spur
patency of dorsal pedal artery

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12
Q

signs indicating an adjustment of the talus

A

limited dorsiflexion

shallow anterior talar fossa to palpation

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13
Q

what does a plantarflexion inversion sprain/strain create

A

antero-medial talus

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14
Q

what side is the doctor on for anterior medial talus

A

opposite side of involvement

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15
Q

anterolateral talus doctor position

A

on same side of involvement

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16
Q

aka’s for ankle joint

A

talocrural
ankle
tibiotalar
mortise

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17
Q

what adjustment works well with shin splints

A

talocrural AP

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18
Q

tarsal tunnel syndrome presentation

A

burning, sharp pain, or paresthesia in sole of foot
intermittent complaints with standing, walking, running
positive tinel sign

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19
Q

what can cause tarsal tunnel syndrome

A

repetitive hyperflexion/hyperextension
post traumatic fibrosis from sprain
ganglion
abnormal biomechanics and/or tightening of the flexor retinaculum or arch of abductor hallucis

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20
Q

how many bones in teh foot

A

26

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21
Q

what is the talus responsible for

A

medial foot motion during pronation and supination

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22
Q

talus is keystone of

A

medial longitudinal arch

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23
Q

what is the keystone fo transverse arch

A

2nd cuneiform

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24
Q

keystone to lateral longitudinal arch

A

cuboid

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25
what makes up the rear foot
talus and calcaneous
26
what makes up the midfoot
metatarsals and phalanges
27
when is the interosseous talocrural ligament tight
during inversion
28
subtalar axis is
45 degrees to the floor in neutral position
29
closed chain motion of subtalar joint on pronation
calcaneous everts, talus adducts and plantarflexes, leg internall rotates and shortens
30
closed chain of subtalar motion on supination
calcaneous inverts, talus dorsiflex and abducts, leg externally rotates, knee extends
31
when the ankle is neutral, what is the position of calcaneous and sustenaculum tali?
vertical calcaneous | horizontal sustenaculum tali
32
signs that indicate the adjustment of talocalcaneal joint
fixation upon motion hypermobility pain @ calcaneotibial/spring ligament pain @ calcaneofibular/calcaneocuboid ligament
33
if problem with inversion/eversion
adjust calceneous
34
if problem with ab/adduction
adjust cuboid
35
MOI for medial calcaneous
weak heel counters chronic repetitive trauma of running/jumping severe ankle sprains
36
MOI for lateral calcaneous adjustments
hyperpronation | eversion ankle sprains
37
inversion/eversion is what kind of stroke to the heel?
J strokeq
38
what kind of stroke is for abduction/adduction?
shallow U stroke
39
what would an xray indicate for anterior navicular, cuneiforms, or met bases
raise of 2mm+ from the anterior talus head
40
most common mechanism of anterior navicular, cuneiforms, or met bases
stepping on something, kicking a hard object, or poor supporting shoes
41
most common midfoot subluxation
posterior tarsals
42
what can you NOT do when adjusting posterior tarsals?
plantarflex
43
anterior (superior) cuboid needs what kind of thrust
z axis
44
thickest and shortest metatarsal
first metatarsal
45
what metatarsal bears weights readily
2nd metatarsal due to length
46
function of metatarsals
locking tarsals in full pronation, assist supination as fulcrum for plantar fascia
47
normal range of motion for dorsiflexion for FHL
70-90
48
normal ROM for FHL under load
35 degrees or 1/3
49
less than 35 degrees of FHL dorsiflexion causes
block of normal windlass effect and supination
50
4 stages of hallux limitus/rigidus
1. ) functional 2. ) early joint adaptation 3. ) established arthrosis 4. ) ankylosis
51
causes of hallux limitus/rigidus
biomechanical, post-traumatic, structural, iatrogenic, other
52
when can we work with hallux limitus
stage 1 and 2
53
surgical procedure performed to remove bone spurs from base of big toe
cheilectomy
54
normal glide with metatarsals and phallanges
5mm superior and inferior
55
when are orthotics prescribed
when foot is not within range of motion, even with correction of foot subluxations
56
dorsiflexor tendons go to
anterior to malleoli
57
plantarflexion tendons go
behind malleoli
58
what muscle controls plantarflexion and inversion
L5, posterior tibialis
59
peroneous brevis and longus affects
S1, plantarflexion and eversion
60
dorsiflexion and eversion controlled by
peroneus tertius/extensor digitorum longus
61
2 main reasons for casting and ordering orthotics after adjusting the feet
1. ) Angles of varus/valgus often change | 2. ) better assessment, the better chance of acceptance and excellent results for patient