How Much Energy Do E’Athletes Use during Gameplay? Quantifying Energy Expenditure and Heart Rate Variability Within E’Athletes

Sports Medicine - Open

Table 5 Spearman correlation matrix for resting measures

	Rest VE	Rest V̇O₂	Rest V̇CO₂	Rest RER	Rest EE	Rest PM EE	Rest HF/LF	Rest HF	Rest HRV pNN50	Rest HRV RMSSD	Rest mean RR	Rest mean HR
Rest VE	—
Rest V̇O₂	0.71^**	—
Rest V̇CO₂	0.88^***	0.86^***	—
Rest RER	0.48	0.01	0.40	—
Rest EE	0.71^**	0.98^***	0.86^***	0.04	—
Rest PM EE	0.75^**	0.98^***	0.87^***	0.06	0.99^***	—
Rest HF/LF	0.06	0.20	0.19	-0.27	0.17	0.11	—
Rest HF	-0.31	-0.34	-0.47	-0.15	-0.35	-0.32	-0.64^*	—
Rest HRV pNN50	-0.18	-0.19	-0.35	-0.26	-0.23	-0.20	-0.43	0.95^***	—
Rest HRV RMSSD	-0.25	-0.28	-0.42	-0.17	-0.31	-0.29	-0.51	0.97^***	0.98^***	—
Rest Mean RR	-0.40	-0.33	-0.57^*	-0.40	-0.37	-0.34	-0.51	0.92^***	0.88^***	0.89^***	—
Rest Mean HR	0.40	0.33	0.57^*	0.40	0.37	0.34	0.51	-0.92^***	-0.89^***	-0.89^***	-1^***	—