Why NFL players can jump so high?

The NFL post-season is about to kick-off. Let's focus on their training.
Here are the results of the 2010 NFL combine in vertical jump:

Why recovery is important for vertical jump training

You can do the best weight training or vertical jump program, but without enough recovery, you won't be able to realize your potential results. For example, if you train hard and consistently, but you go out for parties every night, you probably won't notice any results. Probably, your performance will decrease.

The best vertical jump articles for beginners

I you are new to vertical jump training, you can get confused with the quantity of information on the subject.

The Vertical Summit

You have read every single article about vertical jumping and still have questions?
You can ask it on this forum:

Jump technique

It's a good strategy for vertical jumping, if you focus on strenght training. Unfortunately, some trainees may forget, what is the goal of his training. Jumping is a skill, so you have to practice it. If you have bad jump technique, by perfecting it, you can add 2-5 inches immediately to your vertical.

FreeVerticalJumpTraining

The homepage of Jacob Hiller, the creator of The Jump Manual. He is trains with top coaches and professional athletes all over the world.

Vertical Jump Zone

Program reviews and other articles about vertical jump and speed training. And some slam dunk videos.

Fat burning for bigger vertical jump

If I break down vertical jumping to the absolute basics, jump height is affected by only 3 factors.
1.How much power your lower body (mostly) can express (strenght). This can be enhanced by weight training methods.
2.In how much time your body can express its strenght. This can be enhanced by plyometric training methods.
3.How much weight your body have to throw into the air at every jump.

Theoretically you can improve your vertical jump by any of the above 3 methods. This article is about the 3rd one.

Evolutionary Athletics

Evolutionary Athletics is a great site with good articles about sport performance training and a detailed video exercise-directory.

Vertical Jumping

Jack Woodrup is the author of the Vertical Mastery. He is a knowledgeable expert of jump training from Melbourne, Australia.
On his homepage, there is a thorough exercise directory, along with program and equipment rewiews.

Higher Faster Sports

Kelly Baggett is the author of the famous Vertical Jump Develompent Bible.
He increased his vertical jump by 19 inches. He's been working as a sport performance trainer for more than 10 years.
On his site, you can find almost everything about sport performance and strenght training. And there are several good articles about bodybuilding as well.