Originally, it was believed that bipedalism offered a speed benefit, because the front limbs were no longer obstructing of the hindlimbs. But, when determined, the speed of two-legged strides showed to be no higher than that of four-legged ones.
Other researchers theorised that operating on 2 legs would save the lizards energy, yet those that took a trip on 2 legs might not stay up to date with ones that operated on all 4.
However, mathematical modelling of little lizards has actually recommended a brand-new response: bipedalism in lizards might be an unexpected repercussion of velocity. Forward velocity at the hindlegs presses the rear body forward, however the inertia of the front of the body desires it to sit tight. As an outcome, the back legs wish to run under the body, which triggers the front end to increase – similar to a motorbike popping a wheelie.
More remarkable lizard truths
Main image: Illustration of a the frilled-necked lizard Chlamydosaurus kingii © Getty Images