The ACSM defines moderate intensity as any activity that requires 3–6 METs, and vigorous activity as any activity that requires more than 6 METs, with 1 MET equal to 3.5 ml The goals behind these recommendations are to decrease physical inactivity and increase the health benefits associated with being physically active. The American College of Sports Medicine (ACSM) recommends that adults participate in a minimum amount of aerobic exercise consisting of at least 20–30 min of moderate to vigorous intensity a minimum of 3 days per week ( 4). Both the PAB and NON exercise bouts met ACSM criteria for vigorous exercise. Recreationally active younger (college age) individuals may self-select a similar physiological intensity of physical activity regardless of mechanical assistance, resulting in quicker completion of a commuting task with PAB. There was no difference in heart rate between PAB (147 ± 5 bpm) and NON (149 ± 5 bpm, p=0.77). There was no difference in mean power output when comparing PAB (115 ± 11 Watts) to NON (128 ± 11 Watts, p=0.38). There was no difference in mean VO 2 between PAB (2.3 ± 0.1 L Rating of Perceived Exertion (RPE) was lower in the PAB (12.0 ± 0.4) than the NON (14.8 ± 0.5, p < 0.001). Time to completion was faster in the PAB (12.5 ± 0.3 min) than the NON (13.8 ± 0.3 min, p=0.01). Cycling trials were completed over a 3.54 km course with varying terrain. 6 males and 6 females completed two randomized cycling trials using electric pedal assist (PAB) and non-assist (NON). To compare the physiological requirements of riding a bicycle with electric pedal assist versus non-assist among healthy active young adults. The electrically assisted bicycle may help individuals achieve the ACSM’s aerobic recommendations and introduce inactive individuals to physical activity. The American College of Sports Medicine (ACSM) recommends adults participate in weekly aerobic activity for a minimum of 30 minutes moderate intensity exercise 5 days per week or 20 minutes of vigorous activity 3 days per week.
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