Table 2.

Hip validation—contact stress, area

Motion	Average contact stress (MPa)							Contact area (mm2)
	Femoral Head		Acetabulum		Anderson et al22		Harris et al20	Femoral head		Acetabulum		Anderson et al22		Harris et al20
	Right	Left	Right	Left	Experimental	FE	FE	Right	Left	Right	Left	Experimental	FE	FE
W	4.52	4.24	3.73	3.44	4.7	5.7	1.08 ± 0.32	552	514	1066	981	425.1	304.2	700 ± 150
AS	4.73	5.77	3.71	4.48	5.0	5.1	1.18 ± 0.27	544	395	980	836	321.9	366.1	690 ± 240
DS	4.04	4.82	3.53	4.04	4.4	6.2	1.23 ± 0.32	682	546	1280	998	375	325	730 ± 160

Abbreviations: AS, ascending stairs; DS, descending stairs; FE, FE results.22; W, walking.