Include the upper arm exercises described below in your exercise program at least three times each week, and you will start to see results in as little as three weeks. Determine the Right Weight to Start With Begin by assessing your current strength level. Get a good set of dumbbells that range from three to ten pounds (more if you have weightlifting experience or expect to increase your strength considerably). Hold the 5-pound weight in your dominant hand and do as many biceps curls as you can before tiring. If you can do more than 15 curls without feeling your muscle tire, you need to use a higher weight.
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When you exercise, your brain releases chemicals called endorphins that produce a feeling of euphoria - the so called "runner's high" that people can become chemically addicted to. Without it, you feel irritable and out of sorts till you exercise again. So you go on exercising, never stopping to listen to what you body is saying. And what its saying is, "Stop." The reason exercise addicts keep pushing themselves probably lies in what happens when they don't work out. Psychologists at the University of Massachusetts at Boston studied the psychological consequences of being unable to exercise. They compared 30 male and female runners who had been laid low by minor
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