Your A-to-Z Guide to a Flat Belly
5 of 28
D-Do faster crunches
Increasing the speed of your crunches (while still maintaining good form) activates more muscles in your trunk than doing more leisurely reps, according to a study in the Journal of Strength and Conditioning Research.
Next: E-Eat eggs
Free Healthy Living Email Newsletter
Get the latest health, fitness, anti-aging, and nutrition news, plus insights and updates from Health.com!
