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Repetitions and sets

"Repetitions" and "sets" are terms used to describe how many times you do a specific exercise.

  • Repetitions are the number of times you continuously perform each exercise. For example, if you lift a dumbbell up and down once, that's 1 repetition (or rep). If you lift it 5 times, that's 5 reps.
  • Sets are the number of times you do a certain number of repetitions. For example, if you lift the dumbbell 15 times, take a rest, and then lift it another 15 times, you have done 2 sets of 15 reps each.

The number of repetitions and sets you do depends on your goals. If you want to gain strength, do a few sets of a few reps with heavy weights. However, you may want muscular tone and endurance, which means a few sets of many repetitions with light or medium weights.

Author Shannon Erstad, MBA/MPH
Editor Kathleen M. Ariss, MS
Editor Kathe Gallagher, MSW
Associate Editor Tracy Landauer
Associate Editor Pat Truman
Primary Medical Reviewer Martin Gabica, MD
- Family Medicine
Specialist Medical Reviewer Heather Chambliss, PhD
- Exercise Science/Weight Management
Last Updated September 1, 2006

WebMD Medical Reference from Healthwise

Last Updated: September 01, 2006
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.