There's evidence that a strong and healthy core can help prevent everything from headaches to back and knee pain. Certified personal trainer Corey Galusha from Ultimate Results Mobile Personal Training and clients Debra Cobain and Jessica Crofoot demonstrated an easy, yet effective, upper-body workout using resistance bands and targeting the abs.

With these portable bands, you can work out at home, at work, even on vacation!

Click here for more information and workout tips!

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