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Plank Jack
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Plank Jack
Trammell's Health & Fitness Tips - Health, Fitness, Nutrition & Training Tips to Keep you Healthy and Motivated
As your Portland Personal Trainer you will learn about the exercise the Plank Jack.
So begin in a plank position with your shoulders over your wrists, your body in one straight line and your feet together or close together. Then jump your legs wide out as far as you can laterally and then begin back together working and isolating the abs, shoulders and lower back.