I’ve been a certified personal trainer (C.P.T.) for 15 years. In this decade-and-a-half period of time, I’ve been lucky to work with a wide range of people. This includes pro athletes of all levels, ...

These are often written in the format [sets]x[reps], so 5 x 5 would be five sets of five reps each, and 3 x 10 would be three ...

For strength, you don’t need to be quite as close to failure. “In fact, staying a bit further from failure often allows you ...