After 10 rounds of this sequence, as demonstrated by Emily Skye, you'll be feeling it the next day.
In an inspiring performance aboard the USS Midway, the former DEA agent blows away the previous mark.
Your favorite full-body move just got even better.
Sculpt your entire upper body with this one move.
Trainers emphasize a variety of moves, but for goodness sakes, don't do a crunch.
One quick workout can test even the most sculpted six-pack.
You've never tried an abs workout quite like this.
Tone your abs and strengthen your core without killing your free time.
This is one of the best exercises for your core, except for one thing: It's painfully boring.
Dynamic contraction has a big impact on muscle growth, according to a fitness expert.