Why Join a Fitness Club? Relaxation assured that there are a lot of good reasons why you ought to join a fitness club but there�‚�’s only one explanation that you�‚�’ll even sense marginally reluctant to join a fitness club and it�‚�’s named MEMBERSHIP Service fees. Still, don�‚�’t allow this dissuade you. After all, you can�‚�’t expect to reap all the rewards of joining a fitness club for no cost right?