P90x: were you only able to get through the warm-up?
Hello, Thank you for dropping by. I am 23 years old. I'm a woman with a height of 5'3" and weight of 143lbs (about 65 kg). I have never really worked out. So three days ago, I decided it is time to buckle down and get it into gear. I popped in the first disc of P90x (chest & back) and began to workout. Day 1: After 17…