03 Final Exam Study Guide 5 Flashcards Preview

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Flashcards in 03 Final Exam Study Guide 5 Deck (17):
1

Which tarsal is most susceptible to AVN?

1. navicular
then
2. 5th metatarsal

2

Which structure of the foot is most susceptible to OCD?

dome of the talus

3

What injury can contribute to OCD in the ankle?

- ankle sprain
- medial malleolus slams into the talus

4

pes cavis

- excessive supination
- excessively high arch

5

What will you see on a pes cavis foot?

callus formation on lateral side

6

What will you see with a pes plantis foot?

callus formation on medial foot (under navicular)

7

What happens as you push off in gait to the lateral 3 rays?

- go into supination
- lateral 3 rays become rigid levers for propulsion

8

supination/pronation pattern during gait

- start in supination
- foot down, go into pronation
- lift off and return to supination

9

What is the function of pronation during gait?

produces functional shortening to facilitate shock absorption

10

Why might excessive pronation cause pain?

due to movement of the fibular head

11

What does an inversion sprain do to the fibula?

pulls it forward

12

What do you need to remember about subtalar motion?

it's not in a straight cardinal plane

13

What are necessary for functional ambulation?

70˚ knee flexion
70˚ great toe extension

14

What is the pulse you'll take in the foot?

dorsalis pedis

15

sinus tarsi

- landmark for anterior talofibular ligament
- adjacent to extensor digitorum brevis

16

pronation is a combination of

dorsiflexion
eversion

17

supination is a combination of

plantarflexion
inversion