Provide examples and reasons why rules and responsibilities are important in sports? Describe how having rules and responsibilities effect safety, equipment and sportsmanship.

Awoodchuck could chuck around 700 pounds worth of wood

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.

Pe.dometer would be the most useful to you for monitoring heart rate.