Tigers.
Do I need to say more?
Imagine if tigers started doing compound weightlifting exercises. We humans would be doomed.
Re:The Scientific 7-Minute Workout
by jacques_chester on Tuesday May 14, 2013 @07:47PM
(#5709183)
Yes. Proportionally, tigers can't jump as high as their smaller cousins, can't run as fast as their smaller cousins and unlike humans still use quadripedal locomotion.
For the same reason, smaller weightlifers snatch a larger multiple of bodyweight than bigger weightlifters. At the Olympic level it goes from about 3xBW down to 1.6xBW depending on weight division.
Also, humans are upright bipeds in a body that has the architectural hallmarks of a system for quadripedal locomotion. Cats have not compromised those advantages: we have.