Share: Title:MIKE MENTZER: THE COMPLETE HEAVY DUTY SEMINAR (1981) — Part 1 Duration: 55:51 Plays: 56K views Published: 2 years ago Download MP3 Download MP4 Simillar Videos ▶️ 7:26 Heavy Duty Questions And Answers #mikementzer #gym #motivation #bodybuilding #training 56K views • 9 months ago ▶️ 16:09 Mike Mentzer: Advanced Heavy Duty Training Methods 56K views • 2 years ago ▶️ 11:47 Mike Mentzer: Starting Your Heavy Duty Training Program #mikementzer #fitness #motivation 56K views • 1 year ago ▶️ 23:10 Mike Mentzer: The “ideal (baseline) Routine” (updated) #mikementzer #gym #motivation #bodybuilding 56K views • 9 days ago ▶️ 1:59 Mike Mentzer: Heavy Duty College #mikementzer #fitness #motivation #gym 56K views • 1 year ago