Tarsal and metatarsal fractures Flashcards
What is the most common cause of calcaneus fracture?
Fall from height
What other injuries should be tested for in calcaneus fracture?
Spinal injury due to mechanism
What are some risks of surgery in calcaneus fracture?
Infection
Subtalar joint arthritis
What is the usual mechanism of talus fracture?
Talus fractures are most commonly caused by forced dorsiflexion or rapid deceleration
What are some possible complications in talus fracture?
The talus has a poor blood supply and no muscle attachments, so there is a high risk of avascular necrosis and osteoarthritis
What is a Lisfranc injury?
A tarsometatarsal fracture dislocation
How are Lisfranc injuries managed?
Fixation
What is the most common mechanism of 5th metatarsal fracture?
Inversion injury
What are the 3 main forms of 5th metatarsal fracture?
- Avulsion fracture
- Jones fracture
- Stress fracture
What are some characteristics of 5th metatarsal avulsion fractures?
- Peroneus brevis tendon
- Proximal metatarsal
What causes a Jones fracture of the 5th metatarsal?
Sudden increase in pressure on bone
Where do stress fractures most commonly affect the 5th metatarsal?
Mid-shaft
