The major differences between sit-ups and crunches — and which one is best for you

Both sit-ups and crunches can help target your core muscles, but there are key differences between the two ab workouts.
Hosted on MSN

Decline Crunches vs. Decline Sit-Ups: Do They Work the Same Muscles?

Your abdominal muscles are resistant to fatigue, according to the IDEA Health & Fitness Association, a membership organization for fitness and wellness professionals. As part of your core muscles — ...
Yahoo

Forget sit-ups — use this 10-minute standing abs workout to build a strong core

While classic core exercises like sit-ups and crunches are certainly an effective way to train your abs, they are not the only way. If you prefer to stay standing for your workouts, then this ...