Remember, this is a continuum; you can still build some muscle with low reps and you can still build some strength with high reps. The point is that intensity biases the training effects in particular directions. Photograph: Practical Programming 3rd Edition, Mark Rippetoe, Aasgaard Co. 2014.
Photograph: Practical Programming 3rd Edition, Mark Rippetoe, Aasgaard Co. 2014.