Table 2. Stepwise multiple regression analyses for the repeated TRT.

Predictor	Standardized coefficient	p value	VIF
Maximal isometric knee extensor strength test	0.33	0.003	1.441
ST	0.26	0.016	1.441

(R: 0.53, R²: 0.28)

R=multiple-correlation coefficient

R²=shared variance

VIF: variance inflation factor