Call to action: In the comments section, post anecdotal evidence of people increasing bone length due to tensile strain(stretching). Example exercises would be inversion(If legs are stretched), hanging, or gripping weights. Normal stretching would not be sufficient as that would put most of the load on the muscle and not the bone.
Also, please post suggestions on how to do a before and after finger(or toe) experiment that does not require expensive x-rays. Preferably, a suggestion that only requires easy to take pictures.
Here’s a picture that proves that my right finger is now longer:
You can definately see that the right index finger is longer as it is aligned at the tips and yet the knuckle sticks out higher. Also, the left thumb seems to be bigger too which I have also been loading with LSJL.
If you haven’t already click on the last post on the finger progress here.
Here’s another image very similar to one of the images on that page:
This image may look similar to the image in the other but the other image was aligned at the knuckles with the right hand being slightly higher so that I can’t be accused of knuckle manipulation. This picture is aligned by the tip of the finger tips. You can see in this image that the right handed knuckle is above the left handled knuckle. Meaning that the right finger(the one I’ve been performing LSJL on) is longer.
Also, I hadn’t measured my wingspan in a while and previous wingspan measurement was 72.5″(I like a lot of people have a longer wingspan than my height). This was about 5 years ago.
Recently, I measured my wingspan again and it was 189cm or about 74.4″. I haven’t really been measuring the wingspan as I didn’t have faith in the methodology of LSJL on the arms. I use the irwin quick grip to clamp the elbows but the bone structure there is clunky. I can get a good solid clamp on my wrists though.
This has given me faith that LSJL doesn’t need the extreme force that you can generate on your fingers. However, unlike the legs it is much easier to generate tensile strain on the bones of the arms(although you can generate tensile strain on the legs via inversion). Although, we’ve pretty much ruled out axial loading as a method to increase height we haven’t quite ruled out tensile loading. So it’s possible that the increase is due to hanging or holding onto dumbells or barbells which would place a bit of a stretching force on the bone.
An increase in wingspan at adult age due to farmer’s walk or hanging is less likely to be reported than an increase in height and I don’t know for sure how many people did inversion for their legs and to what extremes. So I can’t say for certain that the gain was due to LSJL and not tensile loading.
And I don’t have before pictures aside from just me standing but this does give me faith that LSJL can generate height at less extreme forces than one can generate on the finger. Although 1 inch per arm over five years is pretty slow.