Give a summary of the effectiveness criteria when selecting a fitness center

When we're selecting a fitness center we're destined to use different criteria how we judge a fitness. When we use effectiveness criterias, we're basically interested in how good that fitness will be for our personal goals that we're trying to achieve. This often encompasses the judgement of the fitness equipment that is available and the service that is provided. 

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.