Flashcards in 03 Final Exam Study Guide 5 Deck (17):
Which tarsal is most susceptible to AVN?
2. 5th metatarsal
Which structure of the foot is most susceptible to OCD?
dome of the talus
What injury can contribute to OCD in the ankle?
- ankle sprain
- medial malleolus slams into the talus
- excessive supination
- excessively high arch
What will you see on a pes cavis foot?
callus formation on lateral side
What will you see with a pes plantis foot?
callus formation on medial foot (under navicular)
What happens as you push off in gait to the lateral 3 rays?
- go into supination
- lateral 3 rays become rigid levers for propulsion
supination/pronation pattern during gait
- start in supination
- foot down, go into pronation
- lift off and return to supination
What is the function of pronation during gait?
produces functional shortening to facilitate shock absorption
Why might excessive pronation cause pain?
due to movement of the fibular head
What does an inversion sprain do to the fibula?
pulls it forward
What do you need to remember about subtalar motion?
it's not in a straight cardinal plane
What are necessary for functional ambulation?
70˚ knee flexion
70˚ great toe extension
What is the pulse you'll take in the foot?
- landmark for anterior talofibular ligament
- adjacent to extensor digitorum brevis
pronation is a combination of