
Crunches are great for targeting abdominal muscles! But if you do them incorrectly, they can hurt your neck or back. Watch my video for quick tips on how to crunch correctly, and how to add more intensity!
Crunches are great for targeting abdominal muscles! But if you do them incorrectly, they can hurt your neck or back. Watch my video for quick tips on how to crunch correctly, and how to add more intensity!
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