Mike Mentzer shares details of his body part training and then talks further about "Heavy Duty" training principles. Source: MuscleMag International (May 1985)
Page #81 - MuscleMag International (May 1985)
Page #82 - MuscleMag International (May 1985)
Page #83 - MuscleMag International (May 1985)
Page #84 - MuscleMag International (May 1985)
