WEBVTT SYNERGY IS THE KEY WORD....WHEN IT COMES TO TURNING THE CRAZY DAYS OF SUMMER INTO A TIME FOR AN INTENSE WORKOUT. IN FACT...OUR GUEST TELLS US IT'S SO INTENSE...THAT IT'S CALLED "INSANITY." ...

Add Yahoo as a preferred source to see more of our stories on Google. In the '90s, Powter's wellness program sold $50 million annually, but she reveals to PEOPLE she's been struggling to survive. Now ...

Add Yahoo as a preferred source to see more of our stories on Google. Thirty years ago Powter's company made millions with her fitness infomercial, program and books. But Hollywood tried to change and ...

Seriously. Mr. T shows zero mercy. If the program is 50 minutes long, he'll give you maybe 2 minutes total to rest, wipe up the pools of sweat under your feet, and sip some water. The rest of the time ...

Shaun T., 35, is an actor, dancer and choreographer who is best known as the creator of the INSANITY fitness video programs. A track and field athlete in high school, the New Jersey native stopped ...

Confession: The last time I attempted the highly popular workout video Insanity, I was motivated less by a desire to get in shape than by the unhealthy mix of tequila, triple sec, and lime. After ...

In the '90s, Powter's wellness program sold $50 million annually, but she reveals to PEOPLE she's been struggling to survive. Now Powter, 66, has written a memoir and is ready to relaunch her fitness ...