Strength training: How many sets?

By Mayo Clinic Staff

When it comes to strength training, there's nothing magical about three sets. In fact, a single set of 12 to 15 repetitions can generally build strength just as effectively as can multiple sets of the same exercise. So if you're short on time, try this approach: Work your major muscle groups at least two 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 to 15 repetitions.

June 06, 2018 See more In-depth

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  2. Core-strength exercises
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  4. Free weights or machines: Which are better?
  5. Isometric exercise
  6. Pregnancy exercises
  7. Fitness ball
  8. Strength training basics
  9. Strength training: How-to video collection
  10. Strength training for kids
  11. Weight training: Do's and don'ts of proper technique
  12. Weights: Arms and legs on different days?