During puberty a normal levels of hormone can cause people to experience in extreme range of emotions

From your post, this looks like a True or False question. The answer is True.

This fact is true your hormones effect your feelings and emotions

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.