Spending more time in physical education classes helps students develop
muscle strength and doesn't increase their risk of broken bones, a new study
The study included more than 900 girls and boys at a school in Sweden who had
up to 200 minutes of physical education a week for two years. A control group of
students continued with the standard amount of 60 minutes of physical education
The children who had more physical education time developed greater muscle
mass and strength than those in the control group, according to the study.
The findings "could have important implications on public health guidelines
and recommendations for school-based physical activity," study author Dr Bjarne
Lofgren, of Lund University in Sweden, said in a journal news release.
"Regular weight-bearing exercise has been shown to consistently improve bone
mass, structure and strength during childhood and adolescence," Lofgren
"It can also help reduce the risk of musculoskeletal diseases later on in
Previous research has shown that students who get more exercise do better in
The Nemours Foundation has more about children