It's even more effective than traditional strength training.

Add Yahoo as a preferred source to see more of our stories on Google. Jumping jacks, a staple of school gym classes, are not just for kids—they can also reveal much about your health. Even if you ...

Jumping workouts could help astronauts prevent cartilage damage they are likely to suffer during lengthy missions to Mars, suggests new research. The first study of its kind shows knee cartilage in ...

As you age, your bones generally start to weaken. You tend to lose bone mineral density, an indicator of bone strength, which makes you more prone to fractures in old age. To maintain or even ...