Time Under Tension Of Bodybuilders And Powerlifters In the video posted in this article, Phil Heath does a chest workout consisting of 13 sets of various chest exercises. The actual lifting time or time under tension during the workout is 3 minutes, 55 seconds. Phil does… By admin | March 16, 2020 | Archive of all Articles, Miscellaneous Considerations, Most Recent Article, Strength Training Articles | No Comments | Read more