>>17114508Another feature of cat anatomy that makes them incredibly flexible is their clavicles (collarbones). Unlike humans, who have long clavicles that attach to the sternum and scapula (breastbone and shoulder blade, respectively), the feline clavicle is free-floating. This free-floating clavicle is only attached through the cats’ musculature. Like their clavicles, a cats’ scapula’s (shoulder blades) are also free-floating and only attached via muscle. These adaptations allow cats to squeeze into exceptionally tight spaces that they otherwise would not be able to. These free-floating bones also aid in their running abilities. The lack of boney attachment enables cats to better extend their stride, allowing them to maximize their reach
