James Gunn’s Superman starring David Corenswet hit theaters today, leaving fans curious about how he transformed his physique ...

The 4-2-1 method breaks your week into four strength days, two cardio sessions, and one mobility day, to form a balanced ...

An upper/lower body split is fairly self-explanatory, as it works the muscles in the upper body one day and then focuses on the legs and lower body muscle groups the next.

For one, it’s easier to make clickable content around “leg day,” for instance, than it is around a more balanced full-body workout, Girard says.And, “the fitness industry loves to ...