A member asked:

Is muscle development a secondary sex characteristic?

4 doctors weighed in across 3 answers

NO: Exogenous testosterone may enhance muscle development. However, women do develop muscles by training. No one considers muscle development a secondary sex characteristic.

Answered 7/5/2012

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Dr. Gerard Honore answered

Specializes in Fertility Medicine

Yes, but: In males 'yes, ' much less so in females. Muscle growth is a secondary sex characteristic but not one used to track normal development.

Answered 3/26/2013

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Muscles and puberty!: Muscles develop as the testosterone levels increase with puberty and they are part of the sefcondary sexual changes.

Answered 11/28/2014

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