Sep 17, 2012 10:02 AM by Marissa Torres
For a Massachusetts man, bigger is better.
Moustafa Ismail now holds the title for the World's Largest Biceps and Triceps in the 2013 Guiness Book of World Records.
His arms measure 31 inches around.
Ismail says he works out 7 days a week for two hours a day, lifts 80 lb. dumbbells, curls 400 pounds, and can bench up to 500 pounds.