1. What is a Lisfranc joint injury?
2. How does a Lisfranc injury occur?
3. What is seen clinically with a Lisfranc injury?
4. What is the treatment of a Lisfranc injury?
Answers:
1. Traumatic disruption of tarsometatarsal joints.
2. Direct trauma vs. force applied to heel in line with axis of foot with toes flexed.
3. Vague ankle pain, swelling in dorsum of foot, which is exacerbated by stabilizing the hind foot and rotating the forefoot.
4. If nondisplaced: NWB, immobilization for 6-8 wks. If displaced, surgery is needed.
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