Table 4. Means (standard error of the mean) of the high frequency (HF) component and low frequency (LF)/HF ratio and ANOVA results.

Group	Baseline	Task 10 min	Task 15 min	Task 20 min	Rest 30 min	Rest 60 min	Rest 90 min	Effect
HF components (%)
SS	0.57 (0.12)	0.43 (0.16)	0.34 (0.14)	0.33 (0.15)	0.42 (0.19)	0.38 (0.18)	0.38 (0.11)	n.s.
SL	0.38 (0.22)	0.37 (0.22)	0.28 (0.13)	0.29 (0.16)	0.38 (0.16)	0.34 (0.17)	0.31 (0.19)
LF/ HF ratio
SS	1.05 (0.47)	1.79 (0.69)	3.28 (1.68)	3.20 (2.24)	2.13 (0.87)	2.86 (1.77)	2.03 (0.80)	n.s.
SL	3.02 (2.77)	3.21 (2.34)	3.54 (1.92)	3.75 (2.83)	2.24 (0.96)	2.64 (1.01)	4.37 (4.02)