Table 3.

Second loading condition applied to the intact femur and implanted femur during optimisation

	Force (N)				Point (mm)
		X	Y	Z		X	Y	Z
	Hip Load	− 712.3	− 656.7	− 1999.6	P0	0	0	0
	F1	515.2	211.7	624.0	P1	− 61.2	− 7.3	− 11.0
	F2	− 1.5	− 2.2	− 47.8
	F3	22.8	36.0	21.3
	F4	− 3.7	− 5.9	− 123.5
	F5	77.2	22.1	94.1
	F6	− 16.2	164.6	− 993.0	P2	− 53.9	− 7.4	− 56.7
	F7	− 64.7	291.1	− 1963.2	P3	− 34.5	8.8	− 106.2

Peak hip load acting on the femoral head during stair climbing and corresponding simplified muscle forces (F1-F7) acting on the femur at the same time point in the gait cycle of peak loading during stair climbing [18, 23, 24].