What makes an activity successful?

What is that gym weights machine called where you sit down and pull towards you? What are the substitute activities for smoking? Why does a weightlifter need body composition? How can I incorporate towel stretches into my daily routine to improve flexibility and prevent injury? Why does the CO2 production stay the same after exercise? Muscles you control are called? How much should you be able to bench at 160 i am 5'11 and built pretty big? How many jumping jacks do you have to do to lose one pound? Which symptoms are normal to experience after strenuous exercise? What is another name for skill-related fitness? What is the average beats per minute for a 12 year old? What do you do with your legs while doing the curl up? Which of these would be one key to muscle gain? What are the following means of measuring physical fitness? Would an ace bandage help with a pulled thigh muscle? How do you reduce hand size for men? How many times a week do people eat out? How good does sex feal? Should you wear a jockstrap over your underwear? What do you do if your balls are black and blue?