You need top sit stretched on the allocated machine seat. Use the machine correctly or under the appropriate supervision of a personal fitness trainer for best results. Be cautious when using the machine because wrong form in using it could lead to uncomfortable body strains. Elliptical machines facilitate elliptical motions. Versa climbers These cardio exercise equipments are among the best and most effective cardiovascular machines available. The tool is designed in a way that would facilitate you to take a movement as if you are climbing vertically. Your body would be prompted to work against gravity. Thus, there is more work and more calories are burned. Answering this question could be exhilarating and disappointing at the same time. It is because there are just too many cardio exercise equipment commercially out in the market. You surely would be overwhelmed and excited if you would look and try out each of the equipment. Every machine is sophisticated, fashionable, and fun. If you have decided to purchase from an online store, then you would need to consider about the shipping cost, warranties and of course, service agreements. Check the warranty and return policy. When making the purchase from online stores, always look for the warranty and return policy. When the equipment is shipped, it is not impossible that the equipment would incur damages while being transported. Items that respect your previous injuries or other health situations - Before buying a cardio exercise equipment, you will need to consult your physician first. If you have bad knees, you might not be allowed to use stair climbers. If you have bad back, you might not be allowed to use rowers and cross country ski machines. You can have a tough five minutes on the machine given normal intensity levels. Thus it would be advisable to alternately do your workout with another cardio machine like the stationary bike wherein you have the luxury of making a quick transition. Hand ergometers or hand bikes are the ones being used by individuals undergoing rehabilitation because of a fractured leg or sprained ankle.