Metacarpal fractures

Question 1

Common cause of boxer’s fracture

Answer 1

Clenched fist striking hard object

Question 2

Common cause of bennet’s fracture

Answer 2

Hyperabduction of thumb

Question 3

Displacement of fracture fragments in boxer’s fracture

Answer 3

Distal fragment displaced posteriorly (little finger appears shorter)

Question 4

What are the common metacarpal fractures

Answer 4

Boxer’s - 5th metacarpal neck

Bennet’s - 1st metacarpal base extending into CMC joint