Towards planning of osteotomy around the knee with quantitative inclusion of the adduction moment: a biomechanical approach

Journal of Experimental Orthopaedics

Table 2 Comparison between EFL and MA regarding their relationship to the MFR measured in vivo

	Static single-leg-stand		Level-walking								Static balanced two-leg-stand
			100% Stance phase		^a\|M_Y\|≥ 63%BWcm 78% Stance phase		^a\|M_Y\|≥ 100%BWcm 67% Stance phase		^a\|M_Y\|≥ 140%BWcm 59% Stance phase
	^bEFL	MA	^bEFL	MA	^bEFL	MA	^bEFL	MA	^bEFL	MA	^bEFL	MA
R²	0.90	0.83	0.88	0.86	0.85	0.80	0.77	0.69	0.68	0.58	0.631	0.617
P value	< 0.001	< 0.001	< 0.001	< 0.001	<0.001	0.001	0.002	0.006	0.006	0.016	0.011	0.012

^a|M_Y| is proportional to the force difference between the knee compartments (Appendix A.3)
^bSkeleton-derived EFL normalized to femur epicondyle distance w