Table I.

Kinematic results showing the mean frequency (±2 standard deviations) of hand and foot movements in the four experimental conditions

	Prone‐anterior	Supine‐anterior	Prone‐posterior	Supine‐posterior
In‐phase spontaneous frequency (Hz)	1.30 ± 0.32	1.19 ± 0.36	1.50 ± 0.34	1.18 ± 0.41
In‐phase maximum frequency (Hz)	2.07 ± 0.43	1.86 ± 0.38	2.11 ± 0.39	1.84 ± 0.52
Antiphase spontaneous frequency (Hz)	1.02 ± 0.25	1.17 ± 0.35	1.00 ± 0.37	1.35 ± 0.38
Antiphase maximum frequency (Hz)	1.37 ± 0.37	1.68 ± 0.5	1.40 ± 0.4	1.89 ± 0.51