Figure 1.
For an individual who sleeps 8 hours per day, the remaining 16 hours are typically filled with domestic and work duties. For this hypothetical “physically active” adult, a 45-minute exercise session of brisk walking prior to work ensures that the minimum level of purposeful exercise (30 minutes per day on 5 days per week) is achieved early in the day. However, this person then sits during the drive toCurrent Cardiovascular Risk Reports RK02-4-2-01 fig. 1 work, at the computer before lunch, during lunch, at the computer after lunch, during the drive home, at dinner, and while watching TV. This492 pts. W/48 pts. D (41 × 7) hypothetical person may spend up to 95% of his waking hours sitting. However, because this person walked briskly for a sustained periodAuthor: Hamilton et al. Editor: Ginny Artist: TE of at least 30 minutes, current public health guidelines consider him “physically active.” The term active couch potato or exercising couch potato is probably more appropriate.