• Achilles tendon

In children and youth, regular physical activity and adequate diet are necessary for normal growth and they impact a range of health outcomes1 including overweight and obesity. Children are a critical target group for public health efforts to prevent overweight and obesity. Key elements to prevent excess bodyweight are physical activity, sedentary time and a healthy diet. Several structural changes during the past decades have led to changes in these behaviors. It is easy to make the unhealthy choices and gain excess bodyweight. Thus, effective interventions to promote physical activity and a healthy diet are essential.