What Muscles Do Sit-Ups and Crunches Work?.

Ab exercises like crunches and sit-ups target similar muscles. Learn more about abdominal anatomy and ways you can target different muscles.

How to Do the Decline Weighted Crunch - Muscle & Fitness

How To Do The Decline Sit-Up - Benefits, Muscles Worked

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Crunches vs sit-ups: Which are better to work your abs?

Freeletics Exercises: Crunches

✓Que Musculos? 💥Como son los Ejercicios? 🔰Como se llama la PESA RUSA. 👉Explicado en 1 Minuto.

Sit Ups Work Top Sellers

Sit-ups - How To Do Properly & Muscles Worked

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