Is There Truly Such A Thing As Hang Time?

As he is coming down the court and jumps, scientific laws begin to pertain. The laws state that the original action causes another action that is identical in intensity but in the opposite direction. What this means in layman's terms is that the player pushes against the floor and the floor exerts a force back. This action/reaction makes the player to leave the floor. If the player exerts a greater amount of force on the floor, the floor exerts a greater amount of force back. This causes the player to go higher in the air.

If a player is running throughout the jumping process, his/her center of mass follows a parabolic course, which in essence looks akin to a rounded off mountain top. A persons "center of mass" is located close to their midsection. This means that, if the person were to stay in exactly the same position for the duration of the whole jumping act, his/her midsection (and therefore, whole body) would follow this route. Frequently though, a player does not stay in the identical position. He will bend and twist.

One thing that players regularly do is raise one (or both knees) while he is jumping.. He does that on his way up. As he comes back down then, he puts his legs back down. This makes his center of gravity lower. This in effect raises his head in relation to the center of mass. The head does not follow the parabolic path. It remains in the same place.

So what you get is for a fraction of the period in the air, the head stays at the same height, but ,throughout the entire time the center of mass goes up and down.

In essence, the player's head is the key to why we believe in hang time.

When one person looks at another, they tend to not look at the center of their body. We as a rule concentrate on a person's head (or at least the upper part of the complete body) . What happens at that moment is a bit of an "illusion", but it really is happening. The head stays in the same place for an unnaturally long time because the person changes his center of mass.

Well, if "hang time" is not genuine, how is it that one person can remain in the air longer than another person? The only choice left is that he can JUMP HIGHER! If you can't improve your hang time then, you have to learn to jump higher!

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