Figure 3From: Autonomy supportive environments and mastery as basic factors to motivate physical activity in children: a controlled laboratory studyAverage activity intensity of the 60 min free-choice session. Heart rate (top panel), rate of activity counts (middle panel), and rate of energy expenditure (bottom panel) while the children were engaged in sedentary behaviours (reading, puzzles) and while engaged in traditional and exergame versions of golf, hockey, basketball, and boxing. See Results section for a summary of the statistical differences.Back to article page