After a brief announcement regarding the CPPS Online Course sale and some small talk about Joe Rogan's $100M Spotify deal, Joe answers 4 listener questions. Topics include: #1) How much of our flexibility is genetic and how to treat chronically tight hamstrings  #2) How & When to train your abs/core directly  #3) Should kids take supplements?  #4) "Same muscle group" supersets vs "opposing muscle group" supersets - Which are more effective?   *For Show Notes, Timestamps & Important Links from this episode visit www.IndustrialStrengthShow.com