Share: Title:MIKE MENTZER: HEAVY DUTY COLLEGE #mikementzer #fitness #motivation #gym Duration: 1:59 Plays: 25K views Published: 1 year ago Download MP3 Download MP4 Simillar Videos ▶️ 7:26 Heavy Duty Questions And Answers #mikementzer #gym #motivation #bodybuilding #training 25K views • 9 months ago ▶️ 16:09 Mike Mentzer: Advanced Heavy Duty Training Methods 25K views • 2 years ago ▶️ 55:10 Mike Mentzer: The Complete Heavy Duty Training System #mikementzer #gym #motivation #training 25K views • 5 months ago ▶️ 11:47 Mike Mentzer: Starting Your Heavy Duty Training Program #mikementzer #fitness #motivation 25K views • 1 year ago ▶️ 11:48 Mike Mentzer: Heavy Duty Chest And Back Workout #mikementzer #gym #motivation #bodybuilding 25K views • 1 month ago