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13 Cards in this Set

  • Front
  • Back

Is inversion or eversion typically less degrees, and why?

Eversion due to longer lateral malleolus

How do ankle sprains affect ROM?

Very little loss of ROM

What type of arch do pronators have?

Pes planus (flat)

What type of arch do supinators have?

Pes cavus (high)

Which joint do pronation and supination occur in?

Primarily subtalar

What motions make up pronation?

calcaneal eversion


- foot abduction


- dorsiflexion

What motions make up pronation?

☆ calcaneal inversion


- foot adduction


- plantarflexion

What tibial motion does pronation cause?

Tibial internal rotation

What tibial motion does supination cause?

Tibial external rotation

How much body weight is supported by the calcanei?

1/2

Why do supinators typically experience more ankle pain?

Supination is more rigid

Why do pronators typically experience less pain?

Foot deform during weight bearing thereby absorbing smaller force of longer duration than if it were rigid

What is the third gait - walking mechanism?

Storage of mechanical energy in stretched tendons, ligaments, and plantar fascia