“I like to say the fountain of youth is the water cooler ... Bamman says machines are better for beginners, but free weights ...

The workout is typically done using MedX equipment, weight machines that were developed ... call it ‘the fountain of youth.’ We lose muscle and bone density as we age. It’s cumulative.

In fact, senior weight lifting—that is, doing resistance training with machines and/or free weights ... “Weight training is the fountain of youth,” says Bales. “Not only does it help ...

“I like to say the fountain of youth is the water cooler ... Bamman says machines are better for beginners, but free weights — barbells or dumbbells — may be more effective as you gain ...