A gym - physical exercises and activities performed inside, often using equipment, especially when done as a subject at school. Gymnasium is a large room with equipment for exercising the body and increasing strength or a club where you can go to exercise and keep fit.

A gym is a gymnasium, also known as health club and fitness centre. Gymnasiums have moved away just being a location for gymnastics. Where they had gymnastics apparatus such as bar bells, parallel bars, jumping boards and running path etc.

If you are looking to join a gymnastics club, please see gymnastics.

A health club, fitness centre is now commonly referred to as a gym.