I just got home from a circuit training conditioning class at a nearby martial arts studio. Holy crap. I hardly ever partake in circuit training–I tend to prefer more measurable exercises that I can “program”, like weight lifting and running. I’m not particularly opposed to circuit training, as a lot of specialists in those two are. They like to argue that circuit training (with Crossfit as the big-name villain) produces folks that can do a bit of many things, but aren’t good at anything. Well, I’ll tell you what. The class I just came from wasn’t Crossfit, but if I do that once a week on top of my other…