Ankle/Foot Eval & Treat Flashcards

1
Q

Tibialis Posterior Action

A
  1. Plantarflexes
  2. Invert foot
  3. Supports medial longitudinal arch
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2
Q

Fibularis Brevis Action

A
  1. Eversion of subtalar joint
  2. Weakly plantarflexes
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3
Q

Fibularis Longus Action

A
  1. Eversion of subtalar joint
  2. Weakly plantarflexes
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4
Q

Tibialis Anterior Action

A
  1. Dorsiflexes ankle
  2. Weakly plantarflexes Subtalar joint
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5
Q

Talocrual Joint

A

-Talus and lower leg
-Narrow posterior surface
-Wide anterior Surface

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6
Q

Subtalar Joint

A

-Under talus
-Inversion and eversion
-hindfoot

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7
Q

Deltoid Lig

A

-medial rolled ankle ligaments
-limit eversion
-very stable

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8
Q

Lateral Ankle

A

-more commonly injured
-resist inversion

-Anterior Talofibular lig (most common)
-calcaneofibular lig
-Posterior talofibular lig

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9
Q

Tarsal Tunnel

A

-TDAVNH
-medial ankle
-under deltoid lig and flexor retinaculum

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10
Q

Ottawa Ankle and foot Fracture rules

A

Midfoot zone Rules:
-Inability to bear weight
-tenderness to base of 5th MT
-Tenderness to navivular

Malleolar zone rules:
-inability to bear weight
-tenderness to lateral malleolus
-tenderness to medial malleolus

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11
Q

High Ankle Sprain

A
  • at Tibiofibular syndesmosis
    -interosseous membrane
    -anterior talofibular lig

-during ER and DF

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12
Q

Rearfoot (hindfoot)

A

-talus
-calcaneus

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13
Q

Midfoot

A

-navicular
-cuboid
-cuneiform (mayb)

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14
Q

Forefoot

A

-metatarsals
-phalanges
maybe cuneiforms

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15
Q

Foot Motions

A

Talocrual: DF/PF
Subtalar: INV/EV and ABD/ADD
Toes: flx/ext

Pronation: DF/EV/abd
Supination: PF/IV/add

Hindfoot: Calcaneovalgus/Calcaneovarus

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16
Q

Proximal Tibiofibular Joint

A

-head of fib and posterolateal tib
-convex tiba and concave fibula
-functionally ankle, anatomically knee

-DF: pushes fib up and ER

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17
Q

Distal Tibiofibular Joint

A

-syndesmosis union
-ligaments only, no capsule
-injury at syndesmosis can lead to widening of mortise and instability at talocrual
-fibula more distal and posterior

-DF: spread ligs and mortise forced into ligs

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18
Q

Mortise

A

-talus in socket of distal tibiofibular joint

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19
Q

Talocrural Joint

A

-synovial hinge joint
Convex talus on Convave mortise (open chain)

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20
Q

Dorsiflexion at Talocrural J

A

Open Chain: talus rolls anteriorly and glides posteriorly
Closed Chain: mortise rolls and glides anteriorly

-Closed packed position full DF

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21
Q

Plantarflexion at Talocrural J

A

Open Chain: talus rolls posteriorly and glides anteriorly
Closed Chain: mortise rolls and glides posteriorly

-Loose packed position 5-10deg

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22
Q

Talus Shape

A

-wider anteriorly (convex) than distally (concave)

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23
Q

Subtalar Joint

A

-Talus and calcaneus
-alternating convex/concave improves stability

Posterior: concave talus on convex calcaneus

Anterior: convex talus on concave calcaneus

24
Q

Subtalar Motion

A

Open Chain:
-Supination: calcaneal INV, ADD/PF
-Pronation: calcaneal EV, ABD/DF

Closed Chain:****
-Supination: calcaneal INV, talar ABD/DF, tib/fib LR (closed packed)
-Pronation: calcaneal EV, talar ADD/PF

Resting: btwn pronation and supination
Closed Packed: supination
Capsular Pattern: Sup/in» pron/ev

25
Subtalar Joint in Gait
Loose Adaptor (swing): sup/pro/sup Initial contact to loading response: sup to pro Shock Absorber (weight acceptance): pronation Midstance: pro to sup Rigid Level (midstance to toe off): supination Preswing to initial: sup to pro
26
Midtarsal Joints
-talocalcaneonavicular, calcaneocuboid, cuboideonavicular Resting Position: midway btwn pronation and sup Closed Packed: Supination Capsular Pattern: DF>PF>add>inversion
27
Plantar Flexion Muscles
-Tibialis Post: sup, inv -FDL and FHL: weak PF and sup and inv -Plantaris
28
Anterior Compartment Muscles
-DF -Tib ant: DF, supination, inversion -EHL: weak sup -EDL: hindfoot pronator -FIbularis tertius
29
Pes Cavus
-high arch -supinated -decreased shock absortion -ankle sprains common
30
Pes Planus
-low arch -decreaed rigid lever -pronated -hallux valgus
31
Talocrual Capsular Pattern
-PF >> DF -DF more important functionally
32
First Ray
-med cuneiform and 1st metatarsal Pronation: PF, ABD, EV Supination: DF, ADD< IN
33
Fifth Ray
-5th metatarsal and cuboid Pronation: DF, ABD, EV Supination: PF, ADD< INV
34
MTP Joints
-convex metatarsal head and concave proximal phalanx (same in open chain) -need 65-70 in big toe for walking
35
IP Joints
-convex proximal phalanx and concave distal
36
Plantar Fascia
-non contracile lateral: lat calcaneus to pinky Medial: medial calcaneus to big toe Central band: medial calcaneus to toe fat pads
37
Tarsal Tunnel
-tibial nerve > medial and lateral plantar nerves
38
Anterior Ankle Nerves
-deep peroneal/fibular nerve -goes to between big and 2nd toe -common site for retinaculum compression
39
Lateral Ankle Nerves
-superficial peroneal/fibular -can be stretched by ankle sprain
40
Medial Longitudinal Arch
-calcaneus, talus, navicular, med cuniforms, metatarsals -supported by tibialis posterior, flexor hallucis longus, flexor digitorum and plantar fascia
41
Lateral Longitudinal Arch
-cuboid and metatarsals -supported by fib longus/brevis tendon
42
Transverse Arch
-metatarsal heads -cuboid, cuneiforms, metatarsals -Supported by plantar fascia, fib previs, tibialis ant and post
43
Common MSK Disorders of Ankle/Foot
-Articular (OA, arthritis, subluxation, loose body) -Ligamentous -Muscular (strains, tendonitis, tenosynovitis) -Soft tissue (compartment syndrome, fascitis) -Nerve (impingement, neuroma)
44
Pronatory Foot Type Injuries
-plantar fascitis -sesamoiditis -interdigital neuroma -shin-splints -tarsal tunnel
45
Supinatoy Foot Type Injuries
-plantar fascitis -sesamoiditis -stress fracture -IT band friction -lateral ankle sprain -Fibularis tendinitis
46
Ankle Sprain Research
-support manual therapy and manipulation -exercise to reduce risk of recurrent -functional treatment over immobilization -Immobilize for <10 day -RK: overweight -Balance training -PT better than home exercises -Myofascial release not helpful -Chronic ankle sprains have decreased postural control -NO ULTRSOUND -Measure: swelling, ROM, Talar, SL Balance -Outcome Measures: Self-reports, pain, physical performance
47
CPR of Response to Thrust after Inv Ankle Sprain
1. S/s worse when standing 2. S/s worse in evening 3. Navicular drop >5mm 4. Distal tibiofibular joint hypo 3/5= 95%
48
Risk Factors Acute Lateral Ankle Sprain
-Pt age -BMI -pain coping strategies -instability -Hx of ankle sprain -balance -Ankle DF ROM
49
Risk Factors Chronic Ankle Instability
-Previous Hx -pain level -balance systems -previous ankle sprains -dynamic postural control
50
Ankle Fractures
-Ottawa ankle/foot rules -(+) immobilization and clearance by MD
51
Compartment Syndrome
-tissue pressure increased by trauma -muscle and nerve ischemia S/s: -swelling -Pain -no pulses Tx: -fasciotomy -rest (for developing)
52
Achilles Tendinopathy
S/s: -pain at junction, tendon, at bony insertion Tx: -eccentric loading -heavy load, low speed -stretching -patient education
53
Posterior Tibialis Tendon Dysfunction
-degenerative and progressive condition S/s: Observation: loss of arch height, abduction Mobility: limited and/or painful PF Functional: abnormal gait, decreased push off, pain with WB or single leg balance Strength: weak and painful SL heel raise, weakness with inversion and PF
54
Cuboid Subluxation
-almost always plantar subluxation -lateral ankle sprain -COG in front of midtarsals -"i feel like there's a rock in my shoe" Tx: -Cuboid Whip -Cuboid Squeeze
55
Plantar Fascitis Common Interventions
Modalities: iontophoresis, CFM Orthotics Shoewear: cushioning for supinator, support for pronator -night splints -taping -relative rest -corticosteroids -NO orthoses PT Tx: -Manual therapy -Stretching -Taping -Night splints -Exercise -Dry needling
56
Hallux Rigidus
-trauma -degenerative Tx: -mobilization -rigid insert -arthroplasty