Speed, Agility, Quickness (SAQ)
Seeing as how weight training is physically developing your entire body for the purpose of being in better shape, speed, agility and quickness are improved so you're faster in these 3 areas for overall development. Perhaps you are focusing on one of these 3 areas because you are improving your body for the sport you are playing, regardless the same principles apply for the average person and the athlete.
http://www.exrx.net/ExInfo/Sprint.html
The link above will bring you to a website dedicated to improving your speed, agility and quickness. It contains everything you'll want to know about training your SAQ from what days you should train it, for how long, what type of training, rest periods, distance, everything you need to know. It even has a chart for what types of sports should do what exercises, how much you should traing them and more. It's one of the best websites you'll find for SAQ so go ahead and take a look.
http://www.exrx.net/ExInfo/Sprint.html
The link above will bring you to a website dedicated to improving your speed, agility and quickness. It contains everything you'll want to know about training your SAQ from what days you should train it, for how long, what type of training, rest periods, distance, everything you need to know. It even has a chart for what types of sports should do what exercises, how much you should traing them and more. It's one of the best websites you'll find for SAQ so go ahead and take a look.