Just have a look at how the vast majority of all-natural bodybuilders and physique/determine opponents train. It’s typically some variation of upper/reduce, or thrust/pull/legs, or some form of physique element split. Treadmill jogging can burn far more calories than stair climbing. Treadmill managing is a great exercise. Working on treadmill https://econopass.com/health-and-fitness/weight-loss-tips/weight-loss-workouts/cardio-workouts-for-weight-loss/