Guest Post By Sean Hyson One time, I made the mistake of Tweeting that I had to modify my workout in order to make better use of light dumbbells, which was all the equipment I had available to me at the moment. Seconds later, some “bro” responded, smugly suggesting that if I’m serious about training, I should seek out a better, more “hardcore” gym with heavy dumbbells. Obviously, he didn’t know me, because there are few places on earth I’d rather be than in a hardcore gym at any given moment. And, normally, I have no interest in using light… continue reading.