A Crunch franchisee's internal memo told employees that raids could "last hours" and include searches of "offices, lockers, ...

Sit-ups can be a great way to strengthen your abdominal muscles that sit around your stomach. But they can quickly get repetitive and its easy to accidentally lose your form, so when boredom strikes, ...

Jim Rowley, Marine veteran and CEO of Crunch Fitness, stays in shape with Pilates and protein shakes on the road — and watches "Survivor" to unwind.

Crunch Fitness has many eye-catching elements, such as Mark Mastrov at the top of its ownership roster. Mastrov is the co-founder of 24 Hour Fitness, which began in 1983 with one club and sold in 2005 ...

Ditch the painful floor crunches and embrace the efficiency of upright training. Discover the functional movements that build ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Many people don’t use correct form when doing core ...