Cats have shock absorber legs
The skeleton of a cat allows it to absorb shocks to its forelimbs because it has no direct skeletal connection between its collarbone and vertebral column, say the experts on cat anatomy. Between their vertebrae, they have elastic discs, useful for cushioning jump landings. Unlike human arms, cat forelimbs are attached to the shoulder by free-floating clavicle bones, which allows them to pass their body through any space into which they can fit their heads and for the cat to highly effectively absorb the shock to the body when landing from a considerable height as seen in the video.
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