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Place your right hand and right knee on the bench. Keep your back straight throughout the exercise and try not to shrug your shoulders up toward your ears. With the weight in your left hand, keep your upper left arm next to your body at all times. Straighten your arm slowly, then return to the start by bending at the elbow, still keeping your upper arm against your body. Do 10 - 15 repetitions, then switch sides.
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