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 answer • 1 doctor weighed in
Dr. Kyle Dicksonanswered
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.
4.9k viewsAnswered >2 years ago
Last updated Aug 20, 2013
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