Table 4.

COP parameters during releve en demi-pointe (mean ± SD).

Phase		Average Speed (cm/s)	95% Ellipse Area (cm2)	Normalized Maximum Displacement		SD of Displacement
				Anterior-Posterior	Medial-Lateral	Anterior-Posterior	Medial-Lateral
rising	PRE	9.650 ± 2.335	1.700 ± 0.731	0.200 ± 0.088	0.083 ± 0.032	0.083 ± 0.032	0.034 ± 0.010
	POST	8.474 ± 0.895	1.626 ± 0.622	0.181 ± 0.067	0.070 ± 0.023	0.077 ± 0.032	0.030 ± 0.009
	Effect size	0.24	0.47	0.19	0.47	0.19	0.42
pre-equilibrium	PRE	9.440 ± 3.041	1.303 ± 1.071	0.132 ± 0.043	0.078 ± 0.042	0.063 ± 0.025	0.030 ± 0.015
	POST	8.220 ± 1.434	0.917 ± 0.461	0.119 ± 0.045	0.063 ± 0.023	0.054 ± 0.022	0.023 ± 0.008
	Effect size	0.30	0.44	0.38	0.44	0.38	0.58
equilibrium	PRE	8.550 ± 2.737	0.726 ± 0.468	0.117 ± 0.060	0.061± 0.034	0.050 ± 0.018	0.022 ± 0.009
	POST	7.580 ± 1.090	0.719 ± 0.441	0.114 ± 0.055	0.051± 0.016	0.051 ± 0.027	0.019 ± 0.006
	Effect size	0.05	0.38	0.04	0.38	0.04	0.39
post-equilibrium	PRE	8.231 ± 2.666	0.638 ± 0.472	0.109 ± 0.033	0.058 ± 0.029	0.048 ± 0.017	0.021 ± 0.008
	POST	7.564 ± 1.193	0.702 ± 0.388	0.107 ± 0.037	0.052 ± 0.020	0.048 ± 0.018	0.020 ± 0.008
	Effect size	0.06	0.24	<0.01	0.24	<0.01	0.13
lowering	PRE	10.460 ± 2.616	2.543 ± 1.499	0.229 ± 0.126	0.115 ± 0.048	0.094 ± 0.049	0.043 ± 0.015
	POST	10.268 ± 2.803	2.453 ± 1.719	0.213 ± 0.102	0.114 ± 0.062	0.076 ± 0.029	0.042 ± 0.019
	Effect size	0.14	0.02	0.45	0.02	0.45	0.06

COP: center of pressure; SD: standard deviation; PRE: pre-training; POST: post-training; values in bold of difference between test-time indicate significant differences (p < 0.05); 0.5 ≤ Effect size < 0.8: medium effect; Effect size ≥ 0.8: large effect.