What is functional training? Let’s see. You must be standing one leg or using a balance device (airex pad, dynadisc, bosu ball, ec.). You’re abs must be drawn in. And use some tubing to make it more functional. Wrong. Wrong. Wrong. A couple years after this whole functional training took off and I still see the same people doing their silly exercises on an unstable device. What’s worse is seeing a trainer prescribing this exercise. What’s even worse is watching this particular trainee not get any stronger over the years. Now how functional is that? Not very. Remember where all these balance devices came from? Rehab settings. And last time I checked the rehab setting is made of weak individuals. So get rid of your bosu ball or dynadisc and start squatting, lunging, and pressing. Now that’s “functional”.