Some of the most common fitness concerns you might have include:
Cardio
Gym machines that are designed for cardiovascular exercises are those that increase your heart rate to help you burn more calories. The most popular gym machines will do this, such as the stationary bike, the treadmill, the rowing machine and the elliptical machine. Depending on the model of the unit you buy, you get extras like graduated resistance, digital readout and programmable features. That should let you design the kind of exercises that are perfect for your fitness needs and lose weight.