Building a Strong Core with Partial Crunches
If you're looking to tone your midsection without wrecking your lower back, partial crunches are probably the smartest move you can add to your routine. Most of us grew up thinking that the only way to get a strong core was to do those old-school full sit-ups where you pull your chest all the way to your knees. But honestly? That's a great way to end up with a sore back and not much to show for it in the mirror. By shortening the range of motion, you're actually focusing the work right where you want it: on your abdominal muscles, rather than your hip flexors or your spine. ...