Table 3. Heart rate and percent time spent in each HR zone per sex during the match and comparing first and second halves. Data are means (±SD).

	Male				Female
	Match (n=24)	1st half (n=12)	2nd half (n=12)	ES	Match (n=24)	1st half (n=12)	2nd half (n=12)	ES
HRmax (bpm)	173(13)	174(15)	172(12)	.19	177(13)	178(15)	177(12)	.05
Mean HR (bpm)	137(12)	134(11)	140(13)	–.46	138(18)	126(14)	149 (14.9)†	–1.63
Z1: <60% HRmax	19.1 (16.5)	23.1 (15.0)	15.1 (17.6)	.48	26.7 (21.8)	41.0 (20.5)†	12.4 (11.4)	1.70
Z2: 61–70% HRmax	25.5 (12.0)	27.0 (12.6)	24.0 (11.8)	.24	15.8 (10.8)	22.3 (10.1)†	9.3 (6.9)	1.48
Z3: 71–80% HRmax	26.0 (11.5)	23.8 (10.2)	28.3 (12.8)	–.38	17.6 (13.2)	15.4 (6.0)	19.8 (17.8)	–.33
Z4: 81–90% HRmax	20.3 (14.4)	17.9 (13.2)	22.8 (15.8)	–.33	29.2 (20.4)	17.4 (12.8)	41.0 (20.1)†	–1.38
Z5: 91–95% HRmax	7.0 (10.4)	6.1 (8.5)	8.0 812.4)	–.18	8.3 (12.1)	3.1 (3.6)	13.5 (15.4)*	–.91
Z6: >95% HRmax	1.9 (4.2)	2.0 (4.8)	1.7 (3.6)	.07	2.3 (6.4)	.7 (1.1)	3.9 (8.9)*	–.50

* p<0.05† p<0.01, HR: Heart Rate, HRmax: Maximum Heart Rate, Z1–Z6: HR Zones 1 to 6.