Fitness pros tend to organize all of these into different muscle groups—think upper body, lower body, core, and legs. If ...

Squat depth has long been a point of contention in the lifting world, which is where the phrase 'ass-to-grass' was born.

So while it’s all well and good saying that it’s good to focus on different ... focus on legs, push, pull. This way it just gives each session a real purpose and each muscle group is trained ...