Accuracy of the Polar S810i Heart Rate Monitor and the Sensewear Pro Armband to Estimate Energy Expenditure of Indoor Rowing Exercise in Overweight and Obese Individuals

Table 2. Maximal exercise responses to the incremental rowing test in overweight and obese men and women (n = 43). Data are means (±SD).

	Overweight Men (BMI < 30 kg·m^-2, n = 4)	Obese Men (BMI ≥ 30 kg·m^-2, n =12)	Overweight Women (BMI < 30 kg·m^-2, n = 15)	Obese Women (BMI ≥ 30 kg·m^-2, n = 12)	All (n = 43)
VO_2max (ml·min·kg^-1)*	35.4 (4.8)	27.2 (3.9)	31.6 (6.0)	23.4 (2.5)	28.4 (6.0)
VO_2max (ml·min·kg^-1 FFM)*	49.9 (5.1)	41.7 (5.4)	52.4 (10.5)	41.4 (3.4)	46.1 (8.7)
HR_max†	180 (.8)	181 (6)	185 (4)	183 (3)	183 (4)
HR as %APMHR †	99.7 (1.7)	99.1 (1.5)	98.5 (1.7)	98.3 (2.1)	98.7 (1.8)
Max RER†	1.30 (.04)	1.29 (.13)	1.25 (.09)	1.26 (.10)	1.27 (.10)
Lactate (mmol·l^-1) *†	12.5 (2.1)	11.7 (2.7)	10.1 (2.4)	8.6 (2.0)	10.2 (3.2)
RPE	18.7 (.3)	18.5 (.9)	18.5 (1.2)	18.6 (1.1)	18.5 (1.1)

* p < 0.05 for overweight versus obese,† p < 0.05 for men versus women, FFM, fat-free mass, APMHR, age-predicted maximum HR (220 - age), RPE, ratings of perceived exertion (Borg scale).