You Honestly Never Have to Do Crunches Again, According to Science and Experts

Crunches are a popular exercise for core strength but they've also earned a rep as possibly not that effective. So what's the deal? We break it down here.
Crunches are a popular exercise for core strength but they've also earned a rep as possibly not that effective. So what's the deal? We break it down here.

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Tone Your Abs Without Crunches

Tone Your Abs Without Crunches

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