Table I.

Injury characteristics

Patient number	Age at injury /gender	Injury mechanism	Direction of dislocation	Initial treatment
1	12.5/F	Ice skating	Obturator	Closed reduction
2	19.3/M	Downhill skiing	Posterior	Closed reduction
3	17.9/M	Downhill skiing	Posterior	Closed reduction
4	12.1/F	Basketball	Posterior	Closed reduction
5	12.9/M	Football	Posterior	Closed reduction
6	19.7/M	Downhill skiing	Posterior	Closed reduction
7	11.3/F	Sledding	Posterior	Closed reduction
8	14.5/M	Downhill skiing	Posterior	Closed reduction – incongruent joint
9	11.7/M	Downhill Skiing	Posterior	Closed reduction
10	12.5/M	ATV accident	Posterior	Closed reduction
11	24.3/M	Snowmobiling	Posterior	Closed reduction
12	25.0/F	Fell off horse	Obturator	Closed reduction

ATV, all-terrain vehicle.