Long before I opened our Timonium personal training gym ... Through my column in one of the trade magazines, I used my Duke engineering background to explain why many classic exercises were actually poor choices. You know ... Like bench dips, front raises, alternating curls, etc. One prime example is triceps kickbacks. I'll spare you the fancy biomechanics, but basically ... With kickbacks, the resistance is greatest where you are naturally weakest, AND The resistance is lightest (in fact, ZERO) where you are naturally strongest. That's a bad - an ineffective - combination. Besides ... Face it, the main reason you're working your triceps at all is because you're praying that somehow your triceps muscle will reach up and burn your upper arm fat for energy. Sorry. Physiology just doesn't work that way. You have no more control over where you lose fat than you did over where you gained it. So why would you spend your valuable time working such a small mu...