Limb Lengthening Forum

Limb Lengthening Surgery => Height & Proportions => Topic started by: Overdozer on January 23, 2015, 08:46:50 AM

Title: Knee height
Post by: Overdozer on January 23, 2015, 08:46:50 AM
Anyone cares to share some numbers? :) It's easy to measure:

(https://www.phenxtoolkit.org/toolkit_content/thumb/anthropometrics/Height_Exhibit5_1.jpg)


I'm at 58 cm after lengthening 7.5 cm on my tibia, so my knee height was 50.5 before. Anyone's got more?
Title: Re: Knee height
Post by: KrP1 on January 23, 2015, 10:50:35 AM
im around 51cm for 165cm height
Title: Re: Knee height
Post by: Puertoricanwasp123 on January 23, 2015, 09:02:33 PM
Mine's 19 inches.
Title: Re: Knee height
Post by: Overdozer on January 24, 2015, 01:24:26 AM
Mine's 19 inches.
Wow! That's some tiny tibias! (1.7 inch under 5th percentile) You should probably do tibias then instead of femurs.
Title: Re: Knee height
Post by: Puertoricanwasp123 on January 24, 2015, 01:46:41 AM
Wow! That's some tiny tibias! (1.7 inch under 5th percentile) You should probably do tibias then instead of femurs.

I heard doing femurs was safer and that it can handle more length.
Title: Re: Knee height
Post by: ItsMyLife on January 24, 2015, 10:17:01 PM
about 55 cm for 1.78 height

could i reach 1.81 and 58 cm ? what percentile is that
Title: Re: Knee height
Post by: kunta kinte on January 25, 2015, 12:16:24 AM
56cm at 180cm
Title: Re: Knee height
Post by: Overdozer on January 25, 2015, 01:21:12 AM
about 55 cm for 1.78 height

could i reach 1.81 and 58 cm ? what percentile is that
http://msis.jsc.nasa.gov/sections/section03.htm
50th percentile is 56.7 cm
95th percentile is 60.9 cm

Keep in mind that the measurements are taken from NASA crewmembers, where the average height for US male is 180 cm. (95th is 190 cm). So you seem to fit fine.
Title: Re: Knee height
Post by: Blackhawk on January 25, 2015, 01:45:07 AM
51cms @ 167
Title: Re: Knee height
Post by: Shor7Guy on January 25, 2015, 11:35:19 PM
for normal population 95th percentile is 58cm
Title: Re: Knee height
Post by: Overdozer on January 26, 2015, 12:58:10 AM
for normal population 95th percentile is 58cm
[citation needed]
Title: Re: Knee height
Post by: Medium Drink Of Water on January 26, 2015, 01:01:01 AM
Mine are now 60cm, which means they were 52.5 before my LL.
Title: Re: Knee height
Post by: Taller on January 26, 2015, 01:03:13 AM
Mine are now 60cm, which means they were 52.5 before my LL.

So you have more or less the knee height of the average 6'2 man. Not very disproportionate at all, I must say. I doubt anyone would notice.
Title: Re: Knee height
Post by: Medium Drink Of Water on January 26, 2015, 01:44:03 AM
That's exactly right.  My uncle is 6'2 and when I sat down next to him after LL, I noticed our knees were the same height.
Title: Re: Knee height
Post by: TomD on January 26, 2015, 08:21:23 AM
Anyone cares to share some numbers? :) It's easy to measure:

(https://www.phenxtoolkit.org/toolkit_content/thumb/anthropometrics/Height_Exhibit5_1.jpg)


I'm at 58 cm after lengthening 7.5 cm on my tibia, so my knee height was 50.5 before. Anyone's got more?

Your tibias are 2 feet long?  :o
Title: Re: Knee height
Post by: Taller on January 26, 2015, 02:42:30 PM
Your tibias are 2 feet long?  :o

Knew height isn't equal to tibia length. Knee height includes the height of feet and ankles as well.
Title: Re: Knee height
Post by: Alittletooshort on January 27, 2015, 11:10:07 AM
53cm at 179/178
Title: Re: Knee height
Post by: Overdozer on January 27, 2015, 11:35:38 AM
53cm at 179/178
You must have really short legs then (or you measured wrong). Do you know your belly button height? (the distance between the ground and your belly button)

Predicted stature from knee height
http://www.nuas.ac.jp/IHN/report/pdf/04/01.pdf
=59.1+2.1×knee height(cm)

So your tibias are usual for someone 170.5 cm tall.
Title: Re: Knee height
Post by: Alittletooshort on January 27, 2015, 12:05:45 PM
My belly button height is 105/106 cm if I measured it right
Title: Re: Knee height
Post by: Optimize on January 28, 2015, 06:18:05 PM
49 at 166 cm
Title: Re: Knee height
Post by: Sixsixmonster on August 25, 2015, 08:01:50 PM
63.5 cm floor to knee.

would be 61.5 after shortening.
Title: Re: Knee height
Post by: Penguinn on August 25, 2015, 08:32:38 PM
Counting knees and feet, I'm 49cm at 5'2. My femurs are short though so my legs as a whole are short.
Title: Re: Knee height
Post by: Keep Growing on August 25, 2015, 08:59:02 PM
It's annoying when comparing with the average american male because I'm not even in the 5%...and we are not all living in the US. ;)
This may be useful as well: http://www.roymech.co.uk/Useful_Tables/Human/Human_sizes.html
Anyway, my knee height is 49,5 at 167,5. I was thinking about doing tibias...
Title: Re: Knee height
Post by: Nightwish on August 26, 2015, 12:03:04 AM
It's annoying when comparing with the average american male because I'm not even in the 5%...and we are not all living in the US. ;)
This may be useful as well: http://www.roymech.co.uk/Useful_Tables/Human/Human_sizes.html
Anyway, my knee height is 49,5 at 167,5. I was thinking about doing tibias...

That's an interesting site, although suggests 174.5 cm as the average  :-\

Although my hands are average size, feet are very small, seat to knee height is 51 cm, and my buttocks to knee is 55.5 cm which is below the 95th percentile!
Title: Re: Knee height
Post by: Morgenst. on August 26, 2015, 02:13:28 AM
I got 51 at 163cm
Title: Re: Knee height
Post by: Bry on August 26, 2015, 04:35:30 PM
I got 53cm at 166cm height

Lengthening 7cm I would go to 60cm and 173cm height.
Title: Re: Knee height
Post by: increase on August 26, 2015, 08:31:56 PM
I have 46cm of knee height
  buttocks-knee is 50cm
Title: Re: Knee height
Post by: Polycrates. on August 26, 2015, 10:05:58 PM
60cm after 6cm for 184cm height
Title: Re: Knee height
Post by: KrP1 on August 26, 2015, 11:01:40 PM
51 for 165cm
Title: Re: Knee height
Post by: Bry on August 29, 2015, 04:02:58 AM
Is there anyway to measure hips (upper leg) length too, so we can compare with knee height?
Title: Re: Knee height
Post by: G-Man on August 29, 2015, 04:39:22 AM
56cm for 179cm
Title: Re: Knee height
Post by: theuprising on August 29, 2015, 02:57:46 PM
58cm for 177cm height. Is that within the norm?
Title: Re: Knee height
Post by: Overdozer on August 29, 2015, 05:19:26 PM
58cm for 177cm height. Is that within the norm?
I'm at 57.5 after having lengthened 7.5 cm. And I also lengthened my femurs 7.5. That means our legs are of the same length and I'm 182. Which means I have 5 cms of SH on you. The dream. You either messed up with your measurements or your legs are reeeaaally long. Are you black by any chance?
Title: Re: Knee height
Post by: Penguinn on August 29, 2015, 05:25:08 PM
I'm at 57.5 after having lengthened 7.5 cm. And I also lengthened my femurs 7.5. That means our legs are of the same length and I'm 182. Which means I have 5 cms of SH on you. The dream. You either messed up with your measurements or your legs are reeeaaally long. Are you black by any chance?

You lengthened 15cm? Whoa.

Also my knee height is 49cm and I'm 157cm. At exactly 10cm or 4 inches more you had only 1cm of knee height more. My tibias aren't even that long so yours were probably short. Thank god my femurs are short or I wouldn't be able to do LL.
Title: Re: Knee height
Post by: theuprising on August 29, 2015, 05:30:30 PM
I'm at 57.5 after having lengthened 7.5 cm. And I also lengthened my femurs 7.5. That means our legs are of the same length and I'm 182. Which means I have 5 cms of SH on you. The dream. You either messed up with your measurements or your legs are reeeaaally long. Are you black by any chance?

No I am calculating future lengthening. If I did 6cm on tibia I'd be 58cm knee height at 177. Then If I did 9 cm on femur to equal your total amount of lengthening I'd be 186cm. I am just over an inch taller than your start height. I think you calculated wrong as my sitting height is still higher than yours.
Title: Re: Knee height
Post by: Overdozer on August 29, 2015, 05:39:24 PM
No I am calculating future lengthening. If I did 6cm on tibia I'd be 58cm knee height at 177. Then If I did 9 cm on femur to equal your total amount of lengthening I'd be 186cm. I am just over an inch taller than your start height. I think you calculated wrong as my sitting height is still higher than yours.
You've just ruined my dream.
Title: Re: Knee height
Post by: theuprising on August 29, 2015, 05:49:23 PM
You've just ruined my dream.

Haha sorry man. If you don't mind sharing what is your tibia to femur ratio after lengthening. Did you do 7.5cm on each segment for any particular reason rather than the standard less on tibia more on femurs approach?
Title: Re: Knee height
Post by: Overdozer on August 29, 2015, 06:06:43 PM
Haha sorry man. If you don't mind sharing what is your tibia to femur ratio after lengthening. Did you do 7.5cm on each segment for any particular reason rather than the standard less on tibia more on femurs approach?
Not really I just like things equal.
Quote
femur length D/S = 541mm/541mm
tibia length D/S = 435mm/435mm
The ratio is 0.8 according to the standing x-ray.
Title: Re: Knee height
Post by: lumiere on September 01, 2015, 06:47:20 PM
Mine are more or less 57 cm, after 7.5cm of lengthening.
Title: Re: Knee height
Post by: KiloKAHN on September 05, 2015, 09:05:34 PM
Just measured my knee height with a tape measure right now and it's 53 cm after 6 cm of tibia lengthening.
Title: Re: Knee height
Post by: KrP1 on September 05, 2015, 09:14:04 PM
Just measured my knee height with a tape measure right now and it's 53 cm after 6 cm of tibia lengthening.

53cm? You had really short tibias before lengthening. Thats for sure
Title: Re: Knee height
Post by: KiloKAHN on September 05, 2015, 09:48:59 PM
53cm? You had really short tibias before lengthening. Thats for sure

Yeah, my judo coach would always use me as an example of what to do when you can't let lock someone because their legs are too short.