The result was a 10 % increase in arm size and muscle mass increased by 4 pounds. (jackedfactory.com)
Finally, potential lean body mass increases with body fat percentage. (weightrainer.net)
At the end of 6 weeks, on average, lean body mass increased by 5 lbs, body fat dropped by 1 %, and 1 max rep bench press increased 18 lbs. (bodybuildingforyou.com)