The pace of Gym 8 refers to the jogging or brisk walking speed of 8 kilometers per hour. Jogging at this speed, because of the short flight time, has the lowest damage to the knees, and because it is jogging, it consumes twice as many calories as ordinary walking.
Pacing refers to the time required per kilometer. Treadmills generally run at an hourly speed, that is, how many kilometers per hour. There is no time to fly fast, which has no effect on the knee. Because the muscles of the upper and lower limbs need to be tight, the calories consumed are twice that of ordinary walking.