Yes. Torso and leg length is determined by the following factors:
- Gender Puberty Period
- Ethnicity and race
- Puberty and BMI
- Diet
- Ancestry from the Neanderthals (?)
Females have a larger torso and shorter leg length on average than males. Males, on the other hand, have longer legs and a shorter torso on average. They are also, on average, taller than females.
The sooner puberty, the greater the torso-to-leg ratio. The later puberty, the longer the leg-to-torso ratio. This explains why females have a longer torso and shorter legs on average than males. Because girls begin puberty two years sooner than boys.
Those who live in warmer climates have a higher leg-to-body ratio. Sub-Saharan Africans have the longest leg to body ratio, making them ideal runners. Europeans have shorter legs than Africans yet have a higher leg-to-body ratio than Northeast Asians. Some people in Northern Europe have a lengthy torso to leg ratio. The majority of European ancestors came from the South.
Those with a low BMI at puberty have a greater leg-to-body ratio. Diet and lifestyle choices can alter the leg-to-body ratio.
A lengthy torso to leg ratio may be caused by Neanderthal origin.
Africans from Sub-Saharan Africa have the least Neanderthal heritage. They have the highest leg-to-body ratio. Northeast Asians have the most Neanderthal heritage, giving them the longest torso-to-leg ratio (but there are many exceptions too). Europeans have a trace of Neanderthal heritage. Their leg-to-torso ratio is greater than that of East Asians but shorter than that of Africans.
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