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22 Cards in this Set
- Front
- Back
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What percentage of injuries are of the ankle? |
20 - 25% |
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What structures are included when talking about the foot? |
- Foot - ankle - lower leg |
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What is the purpose of the foot? |
- provides foundation of support for the upright body - propulsion through space - adaptation for uneven terrain - absorption of shock |
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What are the divisions of the foot? |
- forefoot - midfoot - hindfoot |
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What structures make up the forefoot? |
- 5 metatarsals - 14 phalanges (3 in each lateral toe, 2 in the big toe) |
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What structures make up the midfoot? |
- navicular - cuboid - 3 cuneiform bones |
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What structures make up the hindfoot? |
- calcaneus - talus |
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What structures form the talocrural joint? |
- Tibia - fibula - talus |
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What structures make the subtalar joint? |
- talus - calcaneous |
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What ligaments are located on the medial ankle? |
4 separate bands form deltoid |
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What ligaments are located on the lateral ankle? |
3 ligaments - Anterior talofibular - posterior talofibular - calcaneofibular |
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Why do the lateral ligaments have a much higher frequency of sprains? |
- lateral ligaments are much weaker than medial ligaments - less bony stability laterally |
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Which lateral ankle ligament is the first to be sprained? |
Anterior talofibular |
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How many ligaments are there in the distal talofibular joint? |
Two |
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What type of joint is the distal talofibular joint and why? |
Syndesmosis joint, because it should not have much motion |
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What membrane is located inbetween two bones in the distal talofibular joint? |
Interosseus membrane |
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What is a sprain called in the distal talofibular (syndesmosis) joint? |
High ankle sprain |
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What is problematic about high ankle sprains? |
They take longer to recover |
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What is the main arch of the foot? |
Medial longitudinal arch |
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What is the purpose of the foot arch? |
- support - distribute body weight |
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What is a flat arch also known as? |
Pes planus |
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What is a high arch also known as? |
Pes cavus |
