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In general, there are three kinds of equipment – machines for cardiovascular (heart and lungs) exercises like running and cycling; resistance machines for strength training; and various weights for strength training and body-building.

Cardio Equipment
Treadmills
Designed for running or walking indoors, these will exercise your legs as well as your heart and lungs. Be sure to have an instructor show you how to use them correctly, as they can be varied by speed and incline. Always look forwards when using them, and try not to hold on to anything!

Exercise Bikes
Good for the legs as well as heart and lungs, these come in all shapes and sizes and are very easy to use. Just get on and pedal. Because there is no weight-bearing they are safe to use by almost anyone, even people recovering from injury or just starting out. Make sure the saddle is at the right height, ie. your legs should be slightly bent at the knee when the pedal is at its lowest.

Ellipticals (or CrossTrainer)
These are a cross between exercise bikes and treadmills, where you basically stand up and mimic the action of a cross-country skier. They work out the arms as well as legs, heart and lungs, are versatile and good for just about everyone. Many people find they are easier on their knees than a treadmill. Simple to use, try to stand up straight without leaning too far forward or too far back.

Resistance Machines
Primarily sit-down machines these provide resistance for exercising various muscles such as legs, chest and shoulders. They’re pretty simple, but it’s best to have a trainer show you how to use them and how to change the resistance (weight) levels. These machines are generally safer for beginners and getting a feel for strengthening your muscles.

Free Weights
Free weights are the individual weights you would see on a rack, either to be lifted individually or on either end of a bar. They are more versatile and functional than the resistance machines, but make sure to get training in how to use them as they can cause injury if not used properly. Start light and build up to heavier weights gradually. Don’t be pressured by anyone else into lifting a weight that is heavier than you think you can manage! Also be careful when you’re picking up or putting free weights back down. Use the proper technique, ie. keep a tight back and bend at the knees.