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

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

Is it worth it? Sit-ups, Fitness

How to Plank Properly Every Time, According to Fitness Pros

Why You Can Stop Doing Sit-Ups - WSJ

How to do leg lifts: Strengthen your hips, abs and back - TODAY

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

Should I do sit-ups?

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

Phys Ed: The Science of Sit-Ups and Core Training - The New York Times

Are Sit-Ups Bad For Your Back? - Atlas Pain Specialists

Ab Workout: 6 Better Core Exercises for Beginners