Table 3.

Reaction forces at lumbosacral joint

Forces (N)	Lumbosacral joint
	Pos. 1 (0%) Left foot strike		Pos. 2(11,4%) Right toe off
	ID	FE	ID	FE
X	− 136	− 124	−103	− 155
Y	− 724	− 676	− 617	− 584
Z	−21	61	−52	23