Do one side at a time with dumbbell exercises to add intensity to your workout. The weight difference on one side forces your core muscles to work harder. If it's too difficult initially, you can build up to it by alternating sides first, then trying just one side.
- Passionate fitness trainer certified by NASM, as well as a sports & exercise nutritionist, Justin Janoska. Make sure you check out his website HERE, and follow him on Twitter & Facebook!
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