Walking has many benefits beyond burning calories . If anyone needs to burn off so many calories that walking is a waste of time they should just eat less

I am a big fan of the ellipticle machine because it is the perfect center between a flat walker and the stair climber.

You get all the benefits of the stair climber with less impact to your knees.

The flat walker is for injured, someone with bad knees, out of shape, elderly.

The ellipticle burns more calories and improves cardio vascular function, and shapes your legs and butt.

The stair climber is a better butt machine, but harder on your knees.

I vote the ellipticle the best well rounded cardio machine for the average person.

I agree the elliptical is great because of little resistance but the truth is anything that gets your heart going and your body sweating is going to get close to the same results.

i am going to say eliptical myself.

Well to throw ya ll a little twist i find cardio quite boring and can t stand it.The way i work around this is to start off for 15 min on the exercise bike then do 5 sets of 20 reps for abs,soon as i am done with that i get back on the bike and repeat until i have done 45 min cardio and 300 reps for abs.

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for me my weight training is my cardio.HIT

I usually do the row machine for about fifteen mins pretty hard and then move to the elliptical for thirty mins. I'm not trying to burn fat so I keep my heart rate up around 160-180.

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I was never a fan of cardio machines untill my knee started playing up due to too much running.

Now a massive fan of intervall training on the treadmill, I recommend it to anyone trying to improve cardio fitness, the jog and sprint (or even walk and jog)

Also the concept 2 rower is an awesome piece of kit once set up properly, Again intervall training.

Personally I live near a great trail run, down by a quite river and over open fields, I have various runs ranging from 3 to 16 miles and also great to mix it up with mountain biking.

Lets not forget circuit training for some serious fast paced cardio.

What I like about circuits is that you constantly have someone pushing you. I used to do circuits at our local boxing gym, a combination of bag work and circuit exercises. an ex boxer, proper mean old bastard took it. His favourite quote was "do it properly or do it again" The classes often ran over by about 30-45 mins lol