Research overview: limb proportions and the ambush lifestyle of Smilodon

This overview examines how the limb proportions of Smilodon distinguish it from pursuit predators and point to an ambush hunting style. Compared with cursorial carnivores built for speed, the sabertooth had relatively short, heavily muscled limbs and a powerful but not elongated stride, traits associated with strength and stability rather than sustained running. Researchers analyse ratios between upper and lower limb segments, bone robusticity, and joint mobility to reconstruct locomotor capabilities. The survey reviews how this body plan suits an animal that stalked close to large prey in mixed or wooded habitats and then overpowered it at close range, contrasting Smilodon with the more cursorial scimitar-toothed Homotherium and with fleet cats like the American cheetah-like Miracinonyx.