By Height By Weight  

5 feet 6 Male 25 lbs Muscle Gain 98 lbs to 123 lbs

What you can see here is a progress picture showing a weight gain from 98 pounds to 123 pounds. That's an impressive gain of 25 pounds.

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5 feet 6 Male 25 lbs Muscle Gain 98 lbs to 123 lbs
M/22/5'6 [98 >123] One pound a month doesn't sound like much but it adds up :)