Table 2.

The AMA table; a certain antetorsion and an intended derotation will give a specific additional change on AMA at a specific measured AMA, reprinted from Imhoff et al. [22]

Antetorsion (°)	25	30	30	35	35	40	40	40	45	45	45
Derotation (°)	10	10	15	15	20	20	25	30	20	25	30
AMA (°)
3	0.2	0.3	0.3	0.4	0.5	0.7	0.8	0.9	0.8	1.0	1.1
3.5			0.4	0.5	0.6	0.8	0.9	1.0	1.0	1.1	1.3
4	0.3	0.3	0.5	0.6	0.7	0.9	1.0	1.1	1.1	1.3	1.5
4.5			0.5	0.7	0.8	1.0	1.2	1.3	1.3	1.5	1.6
5	0.3	0.4	0.6	0.7	0.9	1.1	1.3	1.4	1.4	1.6	1.8
5.5			0.6	0.8	1.0	1.2	1.4	1.6	1.5	1.8	2.0
6	0.4	0.5	0.7	0.9	1.1	1.3	1.5	1.7	1.7	2.0	2.2
6.5			0.7	0.9	1.2	1.5	1.7	1.8	1.8	2.1	2.3
7	0.5	0.6	0.8	1.0	1.2	1.6	1.8	2.0	1.9	2.3	2.5
7.5			0.9	1.1	1.3	1.7	1.9	2.1	2.1	2.4	2.7
The AMA table				Change of AMA (°) = varus increase