No, not crunches: Try this 8-minute 'secret' workout to build a strong and stable core over 50

This eight-minute workout is the secret to firing up your core muscles and building strength and stability in your midsection ...
Mens Fitness on MSN

Trainer Shares 8 Functional Core Exercises Better Than Crunches and Situps

To get your abs to pop, you need to lose body fat and strengthen your abdominal muscles. While doing crunches and situps may ...