Why You Should Never Lift Weights in Running Shoes Tanner Garrity, provided by FacebookTwitterEmail When I first started lifting back in high school, I would stand in the corner of a New York Sports Club with a barbell that was about 20 pounds too heavy for me and swing it repeatedly towards my sternum. It was a 16-year-old’s clumsy take on the bicep curl, and it involved a disturbing amount of back. One day, one of the gym’s trainers — who I can only guess couldn’t take it anymore — interrupted a class he was teaching to come over and set me straight. He showed me how to lock my wrists against the body, how to ever so slightly curl