Table 5: The Cardiorespiratory Effects of EMS Activation during Treadmill Walking (3.5 mph, 5% grade).
Ventilation (liters/min) | Respiration Rate (breaths/min) | Tidal Volume (liters/min) | ||||
NO EMS* | Contour MX9† | NO EMS* | Contour MX9† | NO EMS* | Contour MX9† | |
Mean | 42.6 | 46.7 | 29.6 | 34.2 | 1.465 | 1.383 |
Std Dev | 6.9 | 7.2 | 3.6 | 4.7 | 0.248 | 0.116 |
0.116 | 44.9 | 49.1 | 30.8 | 35.7 | 1.546 | 1.449 |
Lower 95% | 40.4 | 44.4 | 28.4 | 32.6 | 1.383 | 1.316 |
% difference | • | 9.6% | • | 15.5% | • | -5.6% |
Effect Size | • | 0.582 | • | 1.108 | • | 0.451 |
VO2 Uptake (liters/minute) | Energy Expenditure (kcal/min) | Heart Rate (beats/min) | ||||
NO EMS* | Contour MX9† | NO EMS* | Contour MX9† | NO EMS* | Contour MX9† | |
Mean | 1.644 | 1.72 | 7.948 | 8.301 | 121 | 131 |
Std Dev | 0.312 | 0.305 | 1.511 | 1.473 | 16 | 17 |
Upper 95% | 1.747 | 1.82 | 8.444 | 8.785 | 127 | 137 |
Lower 95% | 1.541 | 1.619 | 7.451 | 7.817 | 116 | 125 |
% difference | • | 4.6% | • | 4.4% | • | 8.3% |
Effect Size | • | 0.246 | • | 0.031 | • | 0.606 |
† = p-value = 0.0001 comparing no EMS versus EMS actively on. *Contour MX9 Belt worn but no EMS activation = Same data measurements.