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. 2018 Sep 5;6(9):e10706. doi: 10.2196/10706

Table 1.

Algorithm used to determine the PiezoRx height- and fitness-adjusted moderate-to-vigorous physical activity step rate thresholds.

Height, cm (ft in) Height adjusted (MPA/VPAa thresholds) Fitness classificationb (MPA/VPA thresholds)


Poor/fair Good/very good Excellent
140 (4’8”) 115/145 105/135 115/145 125/155
150 (5’0”) 110/140 100/130 110/140 120/150
160 (5’3”) 105/135 95/125 105/135 115/145
170 (5’7”) 100/130 90/120 100/130 110/140
180 (5’11”) 95/125 85/115 95/125 105/135
190 (6’3”) 90/120 80/110 90/120 100/130
200 (6’6”) 85/115 75/105 85/115 95/125

aMPA/VPA: moderate physical activity/vigorous physical activity.

bThe ratings for aerobic fitness were based on normative values from the Canadian Society for Exercise Physiology (CSEP) physical activity and training for health.