Modelling perception-action coupling in the phenomenological experience of “hitting the wall” during long-distance running with exercise-induced muscle damage in highly trained runners

Sports Medicine - Open

Table 3 Multiple hierarchical regression analyses of control variables, direct predictor variables, and main study outcome variables

	Leucocytes ➭ Cortisol		Neutrophils ➭ Cortisol		Cortisol ➭ Performance fatigability		Leucocytes ➭ Perceived physical strain		Neutrophils ➭ Perceived physical strain		Perceived physical strain ➭ Valence		Valence ➭ Action crisis		Action crisis ➭ Performance fatigability
Predictor	∆R²	β	∆R²	β	∆R²	β	∆R²	β	∆R²	β	∆R²	β	∆R²	β	∆R²	β
Step 1	.056		.056		.002		.066		.066		.022		.081		.002
Age		− .130		− .130		.002		− .255		− .255		.035		− .183		.002
Weight		.201		.201		.042		.036		.036		− .144		.211		.042
Step 2	.196		.196		.012		.011		.011		.005		.094		.012
Weekly mileage		.172		.172		.150		.058		.058		.029		−.424		.150
Other training		.538		.538		.124		− .063		− .063		− .051		.161		.124
Step 3	.004		.004		.047		.220		.220		.148		.015		.047
VO_2peak		− .069		− .069		− .182		.463		.463		− .175		.106		− .182
Economy		.067		.067		.244		− .514		− .514		.438		− .140		.244
Step 4	.372**		.395**		.291*		.307**		.276**		.528**		.210*		.461**
Direct predictor		.708**		.726**		.626*		.643**		.608**		− .866**		− .504*		.755**

**Significant at the 0.01 level (2-tailed). *Significant at the 0.05 level (2-tailed)