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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." YOU MIGHT THINK back to your childhood gym class and remember learning the basics of physical fitness, ...

When Kusum Sinha, the superintendent of Garden City Public Schools in New York, took a trip this summer to Finland, Estonia and Sweden with other district leaders, she came back wishing she could ...

Things high school gym class was good for: gossiping, checking out your wanna-be S.O. in track shorts, and kinda-sorta learning basic exercises. Jumping jacks were one such staple of P.E., and for ...