All sorts of : a variety

annual fee: a yearly fee in addition to other fees.

cardio: activities to aimed to keep the heart strong.

check out: look at.

do your own thing: do something independently, without a group.

drop in: come in, visit.

ellipticals: exercise machines.

fine print: the small words in a contract that usually contain all the exceptions to the deal.

flat rate: a payment plan where one fee includes all activities.