Application of Mobile Information Technology in High-Intensity Resistance Training System for Cross-Country Skiing

Table 4

Paired t-test of the data on the physiological indicators of athletes before and after training in the preparatory period.

	Index	Mean	Std. deviation	Std. error	Lower	Upper	t
Male	HR	0.250	1.03	0 365	−0.615	1.115	0.683
		−2.375	1.18	0.419	−3.367	−1.382	−5.656
	HRR	−2.500	1.60	0.566	−3.840	−1.159	4.410
		−0.1125	0.079	0.028	−0.178	−0.046	4.016
Female	HR	1.00	0.377	0.377	0.0751	1.924	2.646
		−2.857	0.799	0.799	−4.813	−0.900	−3.573
	HRR	−3.571	0.782	0.782	−5.486	−1.656	−4.564
		0.194	0.023	0.023	0.2512	−0.137	−8.344