Master the bicycle crunch from start to finish, learn the mistakes most guys make, and add variations that target every part of your core.

Have a friend who brags about being able to do a thousand crunches every day? Don't waste any energy on envy. "If your goal is to develop a six-pack or increase core strength, there are more effective ...

The classic exercise has been demonized of late. The all-out flexion of the movement can wreak havoc on your spine, and since there are other effective, safe ways to build up your core strength , the ...

How many crunches can you do — and how does that stack up with others your age? That was the question posed by "FOX & Friends" on Monday, when fitness expert Joseph David challenged hosts Brian ...

Rowley took Crunch Fitness from bankruptcy to a spot on the Inc. 5000 this year. It hasn’t been an easy ride. Crunch Fitness ...