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 ...

The first over of a session provides an opportunity to lay down a marker, and to set the tone for what lies ahead. After England's weary players emerged for the final time on the day that was ...

Jumping jacks, a staple of school gym classes, are not just for kids-they can also reveal much about your health. Even if you haven't done the exercise recently, your ability to do them today can ...