By Sandra Gordon
Bones also need regular weight-bearing exercise, such as walking, running, and jumping, to get stronger. Unfortunately, many teens aren't getting the recommended 60 minutes of daily physical activity their bodies need. But a recent study found that teens who participated in team sports, such as soccer, basketball, ultimate Frisbee, baseball, and rugby, had higher bone mass than those who didn't. Team sports also offer the chance to build bone mass through weight training, a key component of many organized sports programs.