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

Table 2

Paired t-test for the data of athletes’ morphological indicators before and after training in the preparatory period.

	Index	Mean	Std. deviation	Std. error	Lower	Upper	t
Male	Weight	0.20000	1.93686	0.68478	−1.41926	1.81926	0.292
	Calf	−0.18750	0.30909	0.10928	−0.44590	0.07090	−1.716
	Thigh	−0.48750	0.41897	0.14813	−0.83777	−0.13723	−3.291
	Body fat percentage	0.23750	0.26152	0.09246	0.01886	0.45614	2.569
Female	Weight	−0.41429	0.25448	0.09619	−0.64964	−0.17893	4.307
	Calf	−0.37143	0.33523	0.12671	−0.68147	−0.06139	−2.931
	Thigh	−0.44286	0.35989	0.13603	−0.77570	−0.11001	−3.256
	Body fat percentage	0.24286	0.15119	0.05714	0.10303	0.38268	4.250