The 5x5 workout focuses on compound exercises, which means you’re working multiple muscle groups at once, says Michael Hamlin, CSCS, a strength and conditioning specialist and the founder of Everflex ...

There are a lot of training trends worth skipping (outlandishly overcomplicated or downright dangerous exercises are a surefire sign to steer well clear), but the 5x5 workout, for a lot of people, isn ...