The amount of muscle you could gain in a month depends on your fitness level and sex. Find out averages in pounds here.

“For experienced lifters, the rate of muscle gain slows down to 0.25 to 0.5 pounds of muscle per month. This is because the body becomes more adapted to the stimulus,” White adds.

“For experienced lifters, the rate of muscle gain slows down to 0.25 to 0.5 pounds of muscle per month. This is because the body becomes more adapted to the stimulus,” White adds.

People with bigorexia have a belief that their body is too small or scrawny. — -- With his washboard abs, chiseled pecs and nearly 200 pounds of muscle, David Laid looks to be the poster boy ...