Great article by Rick Wayne on Sergio Oliva’s arm training. As a warm up he performed 10 sets of chins behind the neck to failure! This was before he performed his standard sets, giant sets and supersets. A staggering 50 plus sets.Source: Muscle Builder / Power (Issue June 1968) Page 8 (Muscle Builder / Power Issue June 1968) Page 9 (Muscle Builder / Power Issue June 1968) Page 10 (Muscle Builder / Power Issue June 1968) Page 11 (Muscle Builder / Power Issue June 1968) Page 58 (Muscle Builder / Power Issue June 1968)