Hello.
Assume the 2 anthropometries for the squat: long legged guy with short torso and short legged guy with long torso.
Could we, in general, assume that one will need more or less volume at a productive intensity to make progress on the lift based solely on the anthropometry?
Example: Long legged guy’s squats have longer ROM and therefore each rep is a more work done compared to the guy with shorter legs. Therefore longer legged guy can make progress on less volume compared to the short legged one, assuming both have similar level of training advancement.
I haven’t seen this relationship in practice or in the literature.
Further, the guy with the longer legs may not have more displacement of their center of mass than the short legged guy. These things are…nuanced.
Now, if the 4th digit is significantly longer than the 2nd digit…
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Curious, what counts as ‘significantly’ longer?
Scratch that previous question.
Did some research and found this paper for anyone interested: The Second to Fourth Digit Ratio in Elite and Non-Elite Greco-Roman Wrestlers - PMC
It looked at elite level wrestlers (n=10), non-elite level wrestlers (n=20), and age matched sedentary adults (n=40), all males. It found an average right hand 2D:4D ratio of 0.93, 0.97, and 0.98 in each group respectively.
Jordan not an elite athlete, confirmed: https://youtu.be/1FWDde2IEPg?t=4m11s
My faith in my own potential future jackitude is restored 
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Do you just take the average of both hands? I just noticed that my left hand belongs to a super athlete. My right hand does not. Too bad I’m right handed.