MA II: ankle Flashcards

1
Q

MA II: ankle

Pronation components in open-kinetic chain

A
  • Calcaneus DF
  • Calcaneus AB
  • Calcaneus EV
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2
Q

MA II: ankle

Supination: components open-kinetic chain

A
  • Calcaneus PF
  • Calcaneus AD
  • Calcaneus IN
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3
Q

MA II: ankle

Pronation components in closed-kinetic chain

A
  • Calcaneus EV
  • Talus ADD
  • Talus PF
  • Tibial medial rotation
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4
Q

MA II: ankle

Supination: components closed-kinetic chain

A
  • Calcaneus IN
  • Talus AB
  • Talus DF
  • Tibial lateral rotation
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5
Q

MA II: ankle

Major joints of the ankle and foot

A
  • Talocrural: DF and PF
  • Subtalar: pronation and supination
  • Transverse tarsal joints: pronation and supination
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6
Q

MA II: ankle

most common ligament sprain

A

Anterior Talofibular Ligament

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7
Q

MA II: ankle

primary supinator muscle

A

tibialis posterior

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8
Q

MA II: ankle

primary pronator muscle

A

peroneus longus

contributes lowering of the medial side of the foot raising of the lateral side

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9
Q

MA II: ankle

Pronation causes ________ foot mobility in midfoot and forefoot during initial contact

A

increased

Pronation occurs during Initial Contact = Increased FOOT MOBILITY

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10
Q

MA II: ankle

Supination causes _______ foot stability in midfoot and forefoot during terminal stance

A

increased

Supination occurs during Terminal Stance = Increased FOOT STABILITY

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11
Q

MA II: ankle

During pronation, the axes of the STJ/MTJ are ______ giving more mobility

A

parallel

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12
Q

MA II: ankle

During supination, the axes of the STJ/MTJ are _________ giving less mobility

A

not parallel

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