functional core exercises
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Tips for a Great Upper Body Workout
Understanding the primary muscle groups in your arms, shoulders and back will help you develop a better upper body workout. Here are the primary muscle groups in the upper body: Deltoids and Rotator Cuffs The deltoid muscle wraps around the top of your arms providing range of motion for reaching up, reaching down and reaching out and the rotator cuff provides range of motion in the shoulder joint allowing you…
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