We could all have a stab at arguing the cause for a certain exercise - burns more calories, builds more lean muscle etc. The fact is that unless you actually do it, it's going to be useless. And different exercise is better for different things (cardio v strength, high impact v low impact etc) Therefore as has been said, the best exercise is whatever exercise you will do regularly. Here are some ideas to get you thinking:
Some people find going to the gym suits them because it gives them a time and a place and a purpose and maybe a trainer to get their butt in gear.
Some people like to walk because they can fit it in anywhere in the day and it's low impact. Running is similar, but higher impact.
Some people like team sports for the social/fun side of things and the ability to get competitive and the fact that you HAVE to go to training and games so no excuses. (hockey, footy, touch footy, basketball, tennis, badminton, squash...the list goes on and on)
Some people like to be a bit different and do something like belly dancing or pole dancing or a martial art.
I like to cycle to work/uni because it saves me money and incorporates 'exercise' as transport (I hate the idea of exercising just for the sake of exercising).
35kg lost. (November 2005 - October 2006)
15kg gained again (as at October 2010).
Back to the drawing board - Let's do this thing!
"You can't change the winds, but you can change the sails"
"Reach out and take control of what lands in your lap"