(Update: Listen to our new podcast with more info on the Insanity workout here.) My Insanity set in my recycling bin, waiting for re-gifting (Carey Goldberg/WBUR) "Dig deeper!" Shaun T goaded me, and ...

I was channel-surfing early one morning when images of sculpted bodies working out together caught my attention. It wasn't the first time I had seen this Insanity infomercial, but it was the first ...

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 ...

Assume a plank position and lower your chest until it nearly touches the floor [A]. Push up explosively, spreading your feet and touching your left shoulder with your right hand [B]. Lower and repeat, ...

So you want to train like an elite athlete? While professionals across various sports have shared their secret training methods and intense workouts, it can be difficult for most everyday gym-goers ...

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." ...

Shaun T. is the mind behind the viral "Insanity" workout. In his new book, "T is for Transformation," Shaun talks about what motivates him to exercise. Shaun told Business Insider that you shouldn't ...

Insanity came by airmail, bound like a prized first edition. The first time I tried it, it didn't seem too bad. A little sore in the thighs maybe, a little weak in the hip flexors, but nothing ...