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Metacarpal Neck Fractures (i.e.: Boxer’s Fracture if 5th Metacarpal)
Depending on the MCP joint involved a certain amount of angulation is permissible before it adversely affects normal function.
- 2nd and 3rd Metacarpal fractures < 10۫ angulation ideally these should be perfectly aligned.
- 4th Metacarpal fracture <20۫ angulation allowed
- 5th Metacarpal fracture <30۫ angulation.
- Studies have shown that even 30۫ angulation will decrease normal function by 20%.
- Normal excursion of the 5th MCP is 15۫ to 25۫.
- No amount of rotation deformity should be allowed.
Wishing everybody a Happy and Healthy New Year.