If you’re repping out endless crunches on a mission to strengthen your core, it’s time to stop ... like getting out of bed in the morning and sitting on the toilet, by the way!

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Many people fixate on achieving that coveted flat stomach, often resorting to hundreds of repetitive crunches in hopes of sculpting their midsection. However, ...

This is a low-impact workout, suitable for most people, but if you’re pregnant, or returning to fitness following an injury, ...

If your goal is to strengthen and stabilize your core, I’ve got some good news — you don’t need to be doing crunches. While crunches are great for targeting the top layers of your abdominals ...

Instead, try this six-move workout to build a stronger core, without a crunch, situp, or plank in sight. Whereas crunches target your abdominal muscles (which form part of your core) this standing ...

Discover the most effective 15-minute core workout routine from a certified trainer with 20+ years experience. Get defined abs in just 4-6 weeks with these 5 proven exercises.

Naturally, your go-to core workout might include a variation of sit-ups, crunches, and planks. Because as a runner, you know how important training your midsection is to improve your performance.

A great example is the butterfly crunches, which turn the ab-burning dial up on the traditional exercise to keep challenging you and your core. You’re now subscribed to all our newsletters.