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A 24-year-old male asked:

If you're only supposed to do 10 reps per set, and only 3 sets for per muscle group for muscle building, it seems like weight lifting workout only lasts about 30 minutes. is that too quick?

2 doctor answers2 doctors weighed in
Dr. Anthony Fritz
Internal Medicine 34 years experience
Fine: Make sure you include 10 minutes of progressively higher intensity cardio and stretching as a warm up and then 30 minutes of weights and 5 minutes of cool down and stretching and you will have an excellent work out.
Dr. Ronald Krauser
A Verified Doctoranswered
Rheumatology 53 years experience
Not correct: There is no rule to limit sets or reps. I do several separate exercises in sequence of15 reps each and repeat the entire cycle 4 times.

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Last updated Jul 6, 2015


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