I am 22 years old, weigh 80 kg and 5' 7" (170 cm) in height. I have a tummy like a giant basketball, for which people make fun of me.
I wasn't always like this. I used to be VERY lean and thin until I was 18. Then things took a dramatic turn and I was on antipsychotic drugs for two years. During this time I became what I'm today.
I've got a bike and I've started riding and it feels great. I have more energy and I don't feel like a giant sloth all the time. So, I've decided to start running. I've tried to start it real slow but I failed. I can barely go 100 meters. So, I'm looking for some kind of exercise that'll will help to make my leg muscles ready for running/jogging.
P.S: Except the biking for the last few days I barely had any physical exercise(not even any sports) in the last 4 years.
EDIT: I've found this 8 week program, which seems to be very carefully structured. I'll give it a try.