Add Yahoo as a preferred source to see more of our stories on Google. Most gyms have plyometric boxes. They're also found in parks with public workout areas. Photo: Getty Images Building body strength ...

The former gymnast shares her workout routine with Women's Health in the latest episode of Strong Like.

No, smaller. Find a box in your gym that’s so tiny and cute it doesn’t even scare you. Maybe that’s a 20-inch box instead of the 24-inch you’ve been attempting—or maybe you’re not ready for boxes at ...

Temptation is a powerful thing. Tell athletes to be careful doing Box Jumps and they'll attempt kangaroo-like leaps to imitate the 50-inch jumping sensations they found on YouTube. Box Jumps have ...

Jennifer Garner is back on Instagram with another workout video that'll have you out of breath just watching. To be fair, this time Garner didn't post it; her trainer, Beth Nicely, did in honor of ...

Jennifer Garner, 51, is at it again with her box jumping expertise! The actress recently shared another super impressive workout on her Instagram while exercising with Beth Nicely—the owner of one of ...