In less than 4 years Tim Belknap doubled his arm size from 10 to 20 inches! This is training routine he used.THIS ARTICLE WAS PROVIDED BY JASON BENNIE, HAWAII, USA. Thankyou to Jason for his contribution. Source: Muscle & Fitness (November 1981) Page #24 - Muscle & Fitness (Nov 1981) Page #25 - Muscle & Fitness (Nov 1981) Page #26 - Muscle & Fitness (Nov 1981) Page #27 - Muscle & Fitness (Nov 1981) Page #28 - Muscle & Fitness (Nov 1981) Page #29 - Muscle & Fitness (Nov 1981)