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Table 1 Total energy expenditure measured per device including HR and speed per stage

From: Validity of sports watches when estimating energy expenditure during running

  30% vVO2peak 50% vVO2peak 70% vVO2peak 90% vVO2peak 110% vVO2peak
Criterion measure [kcal/min] 3.89 ± 0.94 7.84 ± 2.05 11.72 ± 2.70 16.95 ± 4.09 21.07 ± 4.76
Suunto Ambit2 [kcal/min] 5.17 ± 1.25* 10.60 ± 3.14* 13.65 ± 2.18 12.97 ± 2.25* 14.02 ± 2.08*
Garmin Forerunner 920XT [kcal/min] 2.89 ± 0.81* 7.39 ± 2.48 10.63 ± 2.42 10.38 ± 2.27** 10.67 ± 2.84**
Polar V800 [kcal/min] 4.32 ± 1.20 7.45 ± 1.81 11.15 ± 2.50 11.75 ± 2.70* 12.70 ± 3.08**
HR [bpm] 99.84 ± 17.95 129.24 ± 20.30 150.80 ± 12.54 167.34 ± 7.81 176.35 ± 7.66
Speed [km/h] 4.69 ± 0.69 7.83 ± 1.15 10.93 ± 1.62 14.05 ± 2.07 17.06 ± 2.28
  1. Values are expressed as mean ± standard deviation
  2. vVO 2peak speed at maximal oxygen uptake, HR heart rate, bpm beats per minute
  3. *significantly different from criterion measure (p < 0.05)
  4. **significantly different from criterion measure (p < 0.001)