This workout skips sit-ups and crunches: Here's a trainer's 4-move routine for building a stronger core over 50

How to do it: Stand with your back to the wall, feet shoulder-width apart. Place your hands lightly behind your head. Slowly ...

How Jim Rowley’s Military Training Helped Save Crunch Fitness

Rowley took Crunch Fitness from bankruptcy to a spot on the Inc. 5000 this year. It hasn’t been an easy ride. Crunch Fitness ...
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Crunches vs. Planks: Which Is Better for Building Core Strength and Ab Definition?

Both core exercises can strengthen and tone your abs, improving stability and balance while building a visible six-pack. But ...

Traditional Crunches Won't Transform Your Lower Abs—But Here's What Does

These are the best lower ab workouts for women to strengthen the deep core muscles and lower stomach. This women's lower ab ...