Improving health-enhancing physical activity in girls' physical education

This study examined the effectiveness of an intervention to increase levels of moderate-to-vigorous intensity physical activity (MVPA) during girls' physical education lessons. Two Year 7 classes (age 11-12 years) were randomly appointed to control and experimental groups. Both followed the same six-lesson unit of gymnastics with identical lesson objectives. The experimental class teacher included the additional objective of increasing MVPA...