Research on Effect of Load Stimulation Change on Heart Rate Variability of Women Volleyball Athletes

Table 5

Changes of central nervous system indexes of female volleyball players at different loading stages.

	A	B	C	D
The early stage of the winter training	−1.03 ± 0.016	4.79 ± 0.21	3.78 ± 0.42	117.31 ± 3.5
Middle of winter training	0.64 ± 0.042	4.64 ± 0.21	3.42 ± 0.49	93.50 ± 1.94
Late winter training	−0.52 ± 0.09	4.72 ± 0.27	3.66 ± 0.52	118.43 ± 7.07
F	0.075	2.627	3.757	0.517
P	0.927	0.079	0.026	0.597