From: Biomechanical study of isolated radial head dislocation
pronation
neutral
supination
Stage 0
3 ± 0
5 ± 2
4 ± 1
Stage 1
7 ± 3
8 ± 4
Stage 2
12 ± 6
9 ± 3
Stage 3
95 ± 31**
39 ± 14**,a
109 ± 35**