A trainer explains a 10-minute core routine designed to activate deep abdominal muscles, flatten the stomach and improve overall core strength.

Jasmine Sanders believes her fans deserve the best. The Sports Illustrated Swimsuit model, who is also known as "Golden Barbie," is teaming up with the Tone It Up app to launch a workout program ...

If you’ve ever dreamed of being featured in a bikini on an iconic magazine cover, Sports Illustrated Swimsuit model Katie Austin is here to tell you — it’s not that hard. The magazine unveiled its ...