Add Yahoo as a preferred source to see more of our stories on Google. I was a competitive athlete (soccer, tennis, basketball) growing up, and I’ve worked out five days a week for pretty much as long ...

Share on Pinterest A recent study found that heavy resistance training among older adults may help preserve long-term leg muscle function. FG Trade/Getty Images Exercise is an important lifestyle ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Lift heavy to build ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Abs. We all have them. (FYI: WH readers can start a free trial of the Ladder app—no credit card required!