Table 2. Average stride length, gait speed, and LDLJ during each of the five stride locations and averaged across the three trials during the grass and rocks conditions in YA and OA.

Values are Mean(SD).

	Approach	Pre- Transition	Transition	Post- Transition	Uneven	Stride Location p value (F-test)	Group p value (F test)	Group*Stride Location p value (F Test)
Grass
Stride Length (m)
YA	1.39(0.12)	1.38(0.13)	1.38(0.14)	1.41(0.13)	1.40(0.14)	0.02 ^*	0.03 ^*	< 0.001 ^*
OA	1.30(0.15)	1.29(0.16)	1.28(0.18)	1.25(0.18)	1.25(0.19)	0.02 ^*	0.03 ^*	< 0.001 ^*
Gait Speed (m/s)
YA	1.28(0.12)	1.28(0.14)	1.25(0.14)	1.25(0.14)	1.24(0.13)	< 0.001 ^*	0.10	< 0.001 ^*
OA	1.21(0.20)	1.17(0.20)	1.16(0.23)	1.11(0.22)	1.11(0.22)	< 0.001 ^*	0.10	< 0.001 ^*
LDLJ – AP (no units)
YA	−4.98(0.57)	−5.08(0.67)	−4.83(0.55)	−4.79(0.55)	−4.72(0.49)	< 0.001 ^*	< 0.001 ^*	< 0.001 ^*
OA	−4.39(0.46)	−4.42(0.46)	−4.37(0.39)	−4.37(0.32)	−4.38(0.38)	< 0.001 ^*	< 0.001 ^*	< 0.001 ^*
LDLJ – ML (no units)
YA	−4.57(0.26)	−4.62(0.40)	−4.60(0.30)	−4.59(0.27)	−4.59(0.31)	0.80	0.35	0.58
OA	−4.49(0.32)	−4.46(0.27)	−4.46(0.39)	−4.47(0.33)	−4.48(0.34)	0.80	0.35	0.58
LDLJ – VT (no units)
YA	−2.48(0.27)	−2.53(0.30)	−2.54(0.26)	−2.55(0.22)	−2.51(0.24)	0.02 ^*	0.61	0.09
OA	−2.47(0.29)	−2.48(0.29)	−2.44(0.31)	−2.47(0.33)	−2.46(0.29)	0.02 ^*	0.61	0.09
Rocks
Stride Length (m)
YA	1.38(0.13)	1.38(0.14)	1.36(0.13)	1.36(0.15)	1.37(0.14)	0.35	0.01 ^*	0.008 ^*
OA	1.29(0.15)	1.28(0.16)	1.24(0.18)	1.23(0.19)	1.24(0.19)	0.35	0.01 ^*	0.008 ^*
Gait Speed (m/s)
YA	1.27(0.14)	1.25(0.16)	1.21(0.16)	1.24(0.16)	1.24(0.15)	< 0.001 ^*	0.13	0.006 ^*
OA	1.19(0.20)	1.15(0.21)	1.09(0.26)	1.12(0.26)	1.11(0.23)	< 0.001 ^*	0.13	0.006 ^*
LDLJ – AP (no units)
YA	−4.96(0.61)	−5.08(0.60)	−5.12(0.63)	−5.17(0.69)	−5.13(0.61)	< 0.001 ^*	< 0.001 ^*	0.002 ^*
OA	−4.43(0.43)	−4.40(0.42)	−4.64(0.40)	−4.67(0.38)	−4.67(0.43)	< 0.001 ^*	< 0.001 ^*	0.002 ^*
LDLJ – ML (no units)
YA	−4.60(0.35)	−4.68(0.40)	−4.68(0.35)	−4.77(0.32)	−4.76(0.39)	< 0.001 ^*	0.04 ^*	0.02 ^*
OA	−4.44(0.32)	−4.45(0.34)	−4.60(0.36)	−4.68(0.35)	−4.61(0.34)	< 0.001 ^*	0.04 ^*	0.02 ^*
LDLJ – VT (no units)
YA	−2.52(0.30)	−2.55(0.31)	−2.77(0.29)	−2.82(0.26)	−2.80(0.23)	< 0.001 ^*	0.79	0.80
OA	−2.45(0.28)	−2.46(0.30)	−2.67(0.34)	−2.73(0.31)	−2.74(0.28)	< 0.001 ^*	0.79	0.80

Note. Significant p-values are bolded and denoted with an *.