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Ankle > Biomechanics & Anatomy > Flashcards

Biomechanics & Anatomy Flashcards

1
Q

Talo-crural Joint - Classification & DF

A 
Modified Sellar (hinge/saddle joint)
1 DF: DF/PF
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2
Q

TCJ Osteo/Arthrokinematics

A

DF = Posterior glide of talus
PF = Anterior glide of talus
Conjunct Rotation = Lateral w/DF, Medial w/PF

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3
Q

TCJ Capsular Pattern

A

PF > DF

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4
Q

TCJ CPP

A

WB DF, talus conjunct ER

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5
Q

TCJ Resting Position

A

10 deg PF

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6
Q

Subtalar (STJ) or Talocalcaneal - Classification & DF

A

2 modified ovoid joints

Functional = modified Sellar with 1 DF = inversion/eversion

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7
Q

STJ Osteo/Arthrokinematics

A

Inversion 5-20 deg
Eversion 5-10 deg
Anterior joint (calcaneus moving on talus) = medial glide anterior (small), lateral glide posterior (larger)
Posterior joint - acts like a pivot (similar to radio-ulnar joint)

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8
Q

STJ Capsular Pattern

A

Limited Inversion

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9
Q

STJ CPP

A

WB eversion (pronation/flat foot)

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10
Q

STJ Resting Position

A

Mid-position

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11
Q

Talonavicular Joint Classification & DF

A

Classification = modified ovoid
2 DF = PF/DF, Inv/Ev

  • navicular presents as con cavity so glide is in same direction if moving navicular on talus
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12
Q

Talonavicular Capsular Pattern

A

DF, PF, Add, Medial rotation

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13
Q

Talonavicular CPP

A

WB pronation

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14
Q

Talons vicuña Resting Position

A

Mid-position

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15
Q

Calcaneocuboid Joint - Classification & DF

A

Modified Sellar

1 DF = inversion/eversion

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16
Q

Calcaneocuboid Joint - Osteo/Arthrokinematics

A

Inversion/eversion

17
Q

Calcaneocuboid Capsular Pattern

A

?? Loss of plantar Flexion/adduction

18
Q

Calcaneocuboid CPP

A

WB pronation

19
Q

Calcaneocuboid Resting Position

A

Mid-position

20
Q

Biomechanical Exam of Foot/Ankle

A 
Raise up on toes
Half squat with heels down
Twist right & left
-- look at arches & calcanei
-- strength of gastric/soleus 
-- WB DF/PF
21
Q

Ankle/Foot: Medial Ligaments

A

Deltoid
Spring (plantarcalcaneonavicular ligament)
Short plantar
Medial Talocalcaneal

22
Q

Ankle/Foot: Lateral Ligaments

A 
ATFL
CF
PTFL
Bifurcate Ligament
Anterior Interosseous
Cubonavicular 
Dorsal Cuboid
4th & 5th metatarsal ligaments

Ankle (1 decks)

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