Table 4.

Correlations between physiological and perceptual values and match characteristics

	All games (n = 168)		Serve games (n = 84)		Return games (n = 84)
	r	V	r	V	r	V
HR
SPR	0.60	.000*	0.54	.007*	0.41	.017*
DR	0.52	.000*	0.46	.020*	0.34	.031*
RPE
SPR	0.48	.000*	0.46	.027*	0.31	.027*
DR	0.43	.000*	0.39	.009*	0.26	.041*

HR = mean heart rate; SPR = shots per rally; DR = duration of rally; RPE = rating of perceived exertion.

^*Significant relationship. p<0.05