Table 2. Postsurgery rotating rod performance.

	traversal time	slips	falls
Group (G)	F(2,45)=11.28, P<0.001 sham vs. large: d=1.93 small vs. large: d=1.32	F(2,45)=22.15, P<0.001 sham vs. large: d=2.05 small vs. large: d=1.95	F(2,45)=6.15, P=0.004 sham vs. large: d=1.16 small vs. large: d=0.85 (Figure 1d)
Incline (I)	F(2,90)=99.45, P<0.001 0° vs. 40°: d=1.44 25° vs. 40°: d=1.34	F(2,90)=49.85, P<0.001 0° vs. 40°: d=0.98 25° vs. 40°: d=1.02	F(2,90)=5.75, P=0.004 0° vs. 25°: d=0.43 25° vs. 40°: d=0.55
Rotation Direction (R)	n.s.	F(1,45)=30.24, P<0.001 d=0.59	n.s.
GxI	F(4,90)=3.44, P=0.012 sham vs. large (all inclines): d≥0.66 small vs. large (all inclines) : d≥1.12 (Figure 1a)	F(4,90)=5.97, P<0.001 sham vs. large (all inclines): d≥1.37 small vs. large (all inclines) : d≥1.23 (Figure 1b)	n.s. (Figure 1c)
GxR	n.s.	n.s.	n.s.
GxRxI	n.s.	n.s.	n.s