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A 41-year-old member asked:

What does it mean if a skinny girl with a fast metabolism exercise just one part of her body all her life?

1 doctor answer1 doctor weighed in
Dr. Kyle Dickson
Orthopedic Surgery 33 years experience
That one part is fit: Look at tennis players. The arm they use becomes very developed in strength and definition. The fast metabolism is somewhat irrelevant to the exercise.
Last updated Aug 20, 2013

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