From: Biomechanical study of isolated radial head dislocation
anterior
lateral
posterior
Stage 0
5 ± 2
4 ± 1
3 ± 1
Stage R1
15 ± 5**
70 ± 26**
118 ± 31**
Stage R2
15 ± 6*
20 ± 3
28 ± 26