It should also be long enough that you can do each work round at full intensity. (health.com)
Walking your dog in the afternoon, when the sun's out in full intensity, can be downright uncomfortable — for you and for your dog. (woofwhiskers.com)
Participants who were asked to spend 10 minutes on a stationary bicycle, including one minute at full intensity, improved their oxidative capacity, cardio - metabolic health and insulin sensitivity. (medicaldaily.com)