In another thread on here the discussion turned to Wilt. The idea came up that Wilt may have enjoyed a 50" vertical jump.
I don't know about Wilt's 50 inch vertical. Wilt was the subject of numerous urban myths. One thing is for sure... Wilt was an athlete and deserved that title as much as being titled a basketball player.
"Instead, he was an avid track and field athlete: as a youth, he high jumped 6 feet, 6 inches, ran the 440 yards in 49.0 seconds and the 880 yards in 1:58.3, put the shot 53 feet, 4 inches, and broad jumped 22 feet."
One urban legend (or myth) is that Wilt would often take a quarter off the top of the backboard. This story grew largely because Wilt made it a claim. But if it was true, why didn't Will prove it on camera? He was constantly attacked and discredited by racist people and groups finding him to be a real threat to a white world.
But, for argument's sake, let's say Wilt DID remove a quarter from the backboard. How high would he have to jump to do that?
Wilt's standing reach in high school was 9' 3" and some change. The top of the backboard at that time was 13'. Round Wilt's reach down to 9'3". The difference is 3'9", or 45". Then decide how many extra inches he would need to corral a quarter off the top. Let's say, 3". That gets him to 48". Then consider that his standing reach was on the ground, not in floating water. He must have given up a couple of inches in his feet planted on the ground (when measuring his standing reach). That knocks him down to 46".
So even considering the urban myth as true, he didn't make it to 50".
Here is an excellent video on Wilt and his athleticism -
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After giving this more thought, I felt like I needed some kind of comparison to put Wilt's jumping ability into perspective. I then visited Guinness Book of World Records -
I knew there had to be a recording of this to hold up to the scrutiny of Guinness... and sure enough, there is (along with other high leaper info) -
Highest Vertical Jump Ever Recorded – With Video! ↗
Evan Ungar 63.5″ Box Jump World Record (May 13, 2016)
Now I'm thinking... Wilt probably did jump 50" or more!
But wait...
Watch the Evan Ungar jump again. Note that they call it a "box jump." In reality, we should call it what it is, a vertical jump measured from the bottom. His clearance of 63.5" is measured from below. Then I'm wondering... why don't we just count the record high jump?
2.45 m (8 ft 0.45 in) Javier Sotomayor (Cuba) Salamanca, Spain 27 July 1993
96.45"..... WOW!
Okay... a standing jump is not the same as a running jump. a 33" difference clearly illustrates this.
This fact alone, that standing jumps differ from running jumps, made me question other factors that must make a huge difference in results.
COMPARING "MEASURED FROM THE TOP" VERSUS "MEASURED FROM THE BOTTOM"
There is a huge difference between these two techniques. Measuring from the bottom is completely inaccurate and gives jumpers all those extra inches by just bending their knees and waist. Let's say Evan Ungar is 6' tall and his standing reach 7'6". Does anyone in here really think Evan could leap up and touch something 153.5" above the earth? That is 12'9.5"... almost able to remove a quarter off the backboard and only being 6' tall!
There are also distortions with measuring leaps from the top. Jumpers are able to add just a bit of extra reach on their extensions when in motion (versus reaching while standing on the ground). However... measuring from the top is the closest current measuring method to what is accurate when using the generic term "highest jump" or "highest standing jump" (if done from the standing position).
I believe the only method to accurately measure jumping height is to use my very own "3-point system." Have your jumper stand upright and place 3 measuring points from the top of his/her chest, in the mid section, and then down just above the pelvic bone. Use sensors and computers to calculate the position on jumps, and use mathematical formulas to slightly tweak the results, based on the jumpers body angle at the highest point of the jump.
Using my technique... go back and watch the Evan Ungar jump again. Realistically, he can jump perhaps around 45" vertically. Maybe a bit higher. When you standardize and legitimize the technique used I think you will find that most super leapers "peak out" around 45". Yes... there are some that go higher. I tend to recall seeing someone go 48" on a "measuring from the top" leap.
Now loaded with this information, I don't believe Wilt reached the 50" vertical leap. At best, I see him around 45", which is still an outrageous athletic feat by anyone, and especially for a man standing 7'1"!