What Causes Intestinal Twisting When Doing Sit-Ups?

When your intestines feel like they are twisting, it can be frightening. Thankfully, it isn't caused by exercises such as sit-ups. It's more likely a hernia.

How to Do Crunches Correctly — Plus 14 Variations

Want a stronger core – skip the sit-ups - Harvard Health

Sit-Up (Curl-Up)

Ab Exercises

How to do sit-ups to build your abs and core strength

Signs of a Hernia After a Gastric Bypass

What Muscles Do Sit-ups Work?

Why can't I do a single sit up? - Quora

Pain in the abdominal muscles