Sit-ups: Techniques, benefits and variations on the classic

What are sit-ups? | What's the difference between sit-ups and crunches? | Which muscles do they train? | Correct technique | Effective variations | Let's go!

Sit-Up vs. Crunch Sit-Up and Crunch Circuit

10 Sit-Up Variations (From Easiest to Hardest) - Steel Supplements

10 Sit-Up Variations (From Easiest to Hardest) - Steel Supplements

Will Sit-ups Burn Off Your Belly Fat?

How To Do Sit-Ups: Variations, Alternatives, Form and Techniques - Athletic Insight

Good sit up variations: Our 5 favourite sit up alternatives.

The Best Sit-Up Variations for a Strong Core

Weighted Sit-Ups: Benefits and Variations

Sit-Ups: Correct Way To Do, 8 Variations, Benefits