I did 50 butterfly sit-ups a day for a week — here's what happened to my abs

What are butterfly sit-ups, how do you do them, and what happens if you do 50 a day for a week

22 of the Best Ab Exercises and Ab Workouts To Get a Strong Set of Abs

If I did 50 sit-ups in bed each day, how long would it take to grow a six pack? - Quora

I Did 50 Sit Ups A Day For One Month

Develop your six-pack in just six minutes with these…

Finer Form Multi-Functional Gym Bench for Full All-in-One Body Workout – Versatile Fitness Equipment for Hyper Back Extension, Roman Chair, Adjustable Situp, Decline, Flat Bench : Sports & Outdoors

Lilly Sabri

How to Improve Quickly on the Sit-Up Test

I did 50 reps of this sit-ups ab exercise every day for a week — here's what happened

I Did 50 Crunches Every Day For A Month—Here's What Happened

How to Do a Butterfly Sit Ups (and Variations) for a Strong Core

How To Do Crunches Properly For Strong Abs, From A Trainer