by Jared Thomas | Dec 1, 2009 | chiropractic, Crunches, roseville, Roseville Chiropractic, Roseville Chiropractor, sit-ups, Spinal Stabilzation
It is quite the conundrum when you are trying to strengthen your core to decrease your risk of low back injury and you find that you have hurt your low back. This crunch, when done correctly, is very safe and very effective! https://youtu.be/UNpK6tB28oc...
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