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  1. How to Do Crunches: Proper Exercise Form & Variations - wikiHow

    Dec 29, 2024 · Crunches are an extremely effective compound-muscle ab exercise. When done correctly, they target your upper abdominal, lower abdominal, oblique, and lower back muscles, and …

  2. How to Do Crunches: Proper Form, Variations, & Benefits

    Jul 15, 2024 · Crunches may not train your core from all angles, but they’re excellent for building muscle and strengthening your rectus abdominis — which is a crucial part of your abs.

  3. What are crunches? - USA TODAY

    Mar 31, 2025 · Crunches are a popular abdominal exercise that is similar to a sit-up but with a shorter range of motion.

  4. How to do Crunches | Exercise Guide - Wellnessed

    Dec 12, 2022 · What are Crunches? Crunches are a spine flexion exercise. A spine flexion exercise involves using your abs to pull your shoulders toward your hips or your hips toward your shoulders …

  5. How to Do Crunches: Best Form for an Effective Ab Workout

    Apr 23, 2025 · If you’re looking to tone your ab muscles, crunches are the perfect move to master. They cause hypertrophy, or muscle growth, of the rectus abdominis muscle. Although you can’t spot …

  6. How to Do Crunches | What Are Crunches? | The Gym Group

    Want to learn how to do crunches? Here’s our comprehensive guide, which explains what the exercise is, its benefits, and how crunches differ from sit ups.

  7. How to Do Crunches: Proper Form, Common Mistakes & Core Training …

    Sep 18, 2025 · Learn how to do crunches properly with expert advice. Discover the correct form, avoid mistakes, and follow tips to strengthen your abs safely and efficiently.

  8. How to do crunches – benefits, variations and tips - Healthily

    Crunches are classic core exercises that are great for building a strong core and defining the abdominal muscles on the front of your body (medically known as the rectus abdominis, but often called your …

  9. Master the Perfect Crunch: Tips for Form, Frequency, and Modifications

    May 17, 2025 · The crunch is a go-to exercise for strengthening the abdominal muscles. It primarily targets the rectus abdominis, but it also recruits the obliques and transverse abdominis.

  10. How to Do Crunches - healthanswers.pfizer.com

    Crunches are a type of exercise that specifically target the abdominal (stomach) muscles, also known as “abs”. They are similar to sit-ups but have a smaller range of motion. During a crunch, only the …