Are sit-ups worth the pain and are you doing them right? We asked

Marian Earls.is S&C coach for Connacht and Ireland’s women rugby stars.

How to Do Sit-Ups: Techniques, Benefits, Variations

What It Really Means When You Can't Do A Sit-Up

Fitness Experts: Sit-Ups Are Worthless, Here's What to Do Instead

The Death of the Sit-Up - The Atlantic

The Beginner's Guide to Performing a Proper Push-Up

Why Sit-Ups are a Terrible Exercise for your Back. Do this instead

Crunches Exercise: How To Do a Crunch For the Best Ab Workout

Sit-Ups Benefits: Exercises, Variations, and More

Crunches vs. Planks: Which Core Exercise Is Better for You?

Reverse Crunches: How To, Benefits, Variations, and Safety Tips