The Rotator Cuff muscles are connected individually to a group of flat tendons, which fuse together and surround the front, the back, and the top of the shoulder joint like a cuff on a shirt.
The Family Felidae comprises: Seven species of 'Big cats' in 3 genera: 1  The genus Panthera: lions (P. leo), tigers (P. tigris), leopards (P. pardus), jaguars (P. onca), snow leopards (P. uncia). 2  The genus Neofelis: clouded leopards (N. nebulosa). 3  The genus Acinonyx: cheetahs (A. jubatus).
Often called the largest cat of all times, the American lion or Panthera atrox, is probably the best known of all prehistoric cats after Smilodon. It lived in both North and South America (from Alaska to Peru) during the Pleistocene epoch, and went extinct 11,000 years ago, at the end of the last Ice Age.