Table 4.

Sensitivity to repetition and differences in difficulty for quiet stance tasks.

Outcome	Task	Qual	Mean ± SD (Test 1, Test 2)	RmANOVA, p-Value
Steadiness	FirmEO	EO	3.56 ± 0.32, 3.54 ± 0.31	F(1, 82) = 0.35, 0.555
	FirmEC	EC	3.54 ± 0.27, 3.52 ± 0.26	F(1, 82) = 0.89, 0.347
	CompliantEO	EO	3.33 ± 0.29, 3.39 ± 0.29	F(1, 82) = 5.17, 0.026
	CompliantEC	EC	3.13 ± 0.32, 3.25 ± 0.32	F(1, 82) = 27.43, <0.001
	Between the above 4 tasks			F(2.45, 201.29) = 46.67, <0.001
ML steadiness	FirmEO	EO	4.22 ± 0.37, 4.21 ± 0.35	F(1, 82) = 0.07, 0.797
	FirmEC	EC	4.26 ± 0.31, 4.25 ± 0.29	F(1, 82) = 0.09, 0.761
	CompliantEO	EO	3.93 ± 0.31, 4.04 ± 0.32	F(1, 82) = 12.79, 0.001
	CompliantEC	EC	3.8 ± 0.35, 3.94 ± 0.35	F(1, 82) = 27.96, <0.001
	Between the above 4 tasks			F(2.38, 195.31) = 36.74, <0.001
AP steadiness	FirmEO	EO	4.17 ± 0.28, 4.14 ± 0.29	F(1, 82) = 1.02, 0.316
	FirmEC	EC	4.08 ± 0.28, 4.07 ± 0.26	F(1, 82) = 0.58, 0.448
	CompliantEO	EO	3.97 ± 0.3, 4.01 ± 0.29	F(1, 82) = 2.12, 0.149
	CompliantEC	EC	3.69 ± 0.32, 3.81 ± 0.31	F(1, 82) = 22.63, <0.001
	Between the above 4 tasks			F(2.61, 214.1) = 54.25, <0.001

Unit for steadiness = −ln[m/s²].