MA II: ankle Flashcards
MA II: ankle
Pronation components in open-kinetic chain
- Calcaneus DF
- Calcaneus AB
- Calcaneus EV
MA II: ankle
Supination: components open-kinetic chain
- Calcaneus PF
- Calcaneus AD
- Calcaneus IN
MA II: ankle
Pronation components in closed-kinetic chain
- Calcaneus EV
- Talus ADD
- Talus PF
- Tibial medial rotation
MA II: ankle
Supination: components closed-kinetic chain
- Calcaneus IN
- Talus AB
- Talus DF
- Tibial lateral rotation
MA II: ankle
Major joints of the ankle and foot
- Talocrural: DF and PF
- Subtalar: pronation and supination
- Transverse tarsal joints: pronation and supination
MA II: ankle
most common ligament sprain
Anterior Talofibular Ligament
MA II: ankle
primary supinator muscle
tibialis posterior
MA II: ankle
primary pronator muscle
peroneus longus
contributes lowering of the medial side of the foot raising of the lateral side
MA II: ankle
Pronation causes ________ foot mobility in midfoot and forefoot during initial contact
increased
Pronation occurs during Initial Contact = Increased FOOT MOBILITY
MA II: ankle
Supination causes _______ foot stability in midfoot and forefoot during terminal stance
increased
Supination occurs during Terminal Stance = Increased FOOT STABILITY
MA II: ankle
During pronation, the axes of the STJ/MTJ are ______ giving more mobility
parallel
MA II: ankle
During supination, the axes of the STJ/MTJ are _________ giving less mobility
not parallel
