How to Do a Bicycle Crunch: Techniques, Benefits, Variations

Reverse Crunch: Target Your Core with This Effective Move – Fitness Volt

Swiss Ball Crunch - Muscle & Fitness

65K views · 443 shares | Decline crunches Begin by laying back on a decline bench with a weight plate crossed between your arms over your chest and placing your feet securely in the foot rests. Then slowly curl your body up, making sure to squeeze in through your abdominals and hold for a few seconds at the top. Return back to the starting position and repeat for as many reps and sets as desired. | Iron-Core Fit | Facebook

How to Do Crunches: Proper Form, Variations, & Benefits | BarBend

Learn Proper Form for Ab Crunches

Reverse Your Crunch for a New Challenge