Sitting in machines will never be the same as standing and exercising. Even Gary Jones the son of Arthur Jones recognized this. What will make you a better athlete? Sitting in machines trying to isolate individual muscles or doing a clean and jerk? The latter will generate power, balance, and strength. It will increase your vertical leap and sprinting speed. Sitting in machines is not going to give you any advantage in trying to take down an opponent in football or wrestling. Your body from a Kinesiological view works with muscles in coordination and not in in attempted isolation as in sitting machines body parts.