Strength training: Do you have to do 3 sets?

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Strength training: Do you have to do 3 sets?

When it comes to strength training, there's nothing magical about three sets. In fact, a single set of 12 repetitions can generally build muscle just as efficiently as can multiple sets of the same exercise. So if you're short on time, try this approach: Work your major muscle groups two or three times a week. Do a single set of each exercise, using a weight or resistance level heavy enough to tire your muscles after about 12 repetitions.

Last Updated: 2011-09-10
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