TABLE 1.

Study description of activities

Activity	Description
Rest	Lie on bed, still, awake, quiet environment
Watch TV	Sit in chair, watch movie video (e.g., comedy)
Play computer game	Sit in chair, play Chip’s Challenge game on PC
Sweep floor	Sweep confetti on floor continuously using broom to a specified location and repeating
Slow walk	Walk at 2.5 mph., participant’s pace kept close to that speed with the guidance of timed distances
Brisk walk	Walk at 3.5 mph., participant’s pace kept close to that speed with the guidance of timed distances
Step aerobics	Step aerobics video, both arm and leg movements, 1 step bench, first practice and instruction from staff before actual measurement, all exercised to the same 7 min of video
Bicycling	Ride bicycle outside at 12 mph, cyclometer on bike used to monitor speed, no steep hills, relatively flat
Shoot baskets	Shooting the basketball and retrieving the basketball continuously, using girls’ size basketballs
Stair walk	Climb stairs in a staircase at 80 steps·min-1 to music tape, without holding the rail except for balance
Run	Run at 5.0 mph on track or marked area, paced by staff with the guidance of timed distances