Table 3.

Statistical interactions and main effects for CoP parameters.

	Stance * Group	Stance * Condition	Stance main effect
Trial duration	F(1,29) = 1.7, ηp2 = 0.06, p = 0.2	F(1,29) = 0.03, ηp2 = 0.001, p = 0.9	F(1,29) = 18.3, ηp2 = 0.4, p < 0.001
CoP area	F(1,26) = 0.3, ηp2 = 0.01, p = 0.9	F(1,26) = 0.01, ηp2 = 0.001, p = 0.9	F(1,26) = 101.3, ηp2 = 0.8, p < 0.001
Norm. Area	F(1,25) = 1.0, ηp2 = 0.04, p = 0.3	F(1,25) = 0.5, ηp2 = 0.02, p = 0.5	F(1,25) = 19.5, ηp2 = 0.4, p < 0.001
CoP velocity	F(1,29) = 9.4, ηp2 = 0.2, p = 0.005	F(1,29) = 2.1, ηp2 = 0.07, p = 0.2	F(1,29) = 173.1, ηp2 = 0.9, p < 0.001
CoP SD AP	F(1,29) = 0.00, ηp2 = 0.00, p = 0.9	F(1,29) = 1.4, ηp2 = 0.05, p = 0.2	F(1,29) = 55.8, ηp2 = 0.7, p < 0.001
CoP SD ML	F(1,29) = 0.00, ηp2 = 0.00, p = 0.99	F(1,29) = 0.02, ηp2 = 0.001, p = 0.9	F(1,29) = 30.0, ηp2 = 0.5, p < 0.001
CoP amplitude AP	F(1,29) = 2.0, ηp2 = 0.06, p = 0.2	F(1,29) = 0.3, ηp2 = 0.01, p = 0.6	F(1,29) = 27.8, ηp2 = 0.5, p < 0.001
CoP amplitude ML	F(1,29) = 0.4, ηp2 = 0.01, p = 0.5	F(1,29) = 0.2, ηp2 = 0.01, p = 0.7	F(1,29) = 28.5, ηp2 = 0.5, p < 0.001
Path length	F(1,29) = 8.5, ηp2 = 0.2, p = 0.007	F(1,29) = 0.8, ηp2 = 0.03, p = 0.4	F(1,29) = 34.1, ηp2 = 0.5, p < 0.001

F statistics with degrees of freedom, effect sizes of partial eta squared (η_p²), and p values for the stance by group and stance by condition interactions, as well as stance main effect of CoP parameters. CoP, center of pressure; Norm., normalized; AP, anteroposterior; ML, mediolateral