"Limb proportions" refers to the relative sizes and lengths of a person's arms and legs compared to the rest of their body. It determines how long or short their limbs are in relation to their torso. Full definition
It might seem simplistic, but when applied to a virtual body with realistic limb proportions and biomechanics, other behaviours emerge naturally. (newscientist.com)
ramidus is that this last common ancestor had limb proportions more like those of monkeys than apes. (science.sciencemag.org)
They say the discovery strengthens the case that differences in foot structure and limb proportion in early hominins reflect different paths from orangutanlike bipedalism. (scientificamerican.com)