Table 1 Sedentary and physical activities conducted in the laboratory

Sitting

Reading

Drawing

Watching television

Playing computer games

Sitting Semi-prone

Watching television

Standing

Drawing on a whiteboard

Playing computer games

Walking

Treadmill^a

Over-ground^b

Running

Treadmill^c

Over-ground^d

Activity Patterns

Sit-Walk-Stand- Draw-Walk back-Sit

Stand-Walk- Pick up stationery-Walk back-Sit-Draw

Sit-Stand-Walk-Sit on the floor