Mike Mentzer pens a bicep article. What do you know – it involves multiple sets and exercises to fully develop the bicep!A must read for all the Mentzer disciples. Source: Muscle Builder Power (October 1978) Page #6 - Muscle Builder Power (Oct 1978) Page #7 - Muscle Builder Power (Oct 1978) Page #8 - Muscle Builder Power (Oct 1978) Page #94 - Muscle Builder Power (Oct 1978)