(HealthDay News) -- Your workouts should challenge you physically, but not to the point of overexertion.
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So how do you figure out an exercise intensity that's right for you? The U.S. Centers for Disease Control and Prevention offers these guidelines:
- You should be able to do two sets of 10 repetitions in good form.
- You should need to rest after doing a 10-repetition set before you do your next set. If you can do 20 repetitions without a break, you should use heavier weights.
- If you can do more than 10 repetitions without a break in your first set, increase the weight you lift for the second set only.
-- Diana Kohnle
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