When you contract the attached muscles (subscapularis muscle, the supraspinatus muscle, the infraspinatus muscle, and the teres minor muscle), they pull on the tendons causing the shoulder to rotate up or down, back or front, in or out; hence the name 'rotator' cuff.
Acinonyx jubatus portrait. Â© 2007 Mark Probst. The cheetah is a big cat and is now, mainly found in southern Africa. It is known for its speed as it is able to accelerate from 0-60 miles per hour in only three seconds, and it is able to reach speeds of around 70 miles per hour (112 kilometers per hour).
For other uses, see Big cat (disambiguation). The Liger (Panthera leo Ã Panthera tigris) is the largest and heaviest living member of the Felidae (cat) family. The informal term big cat is typically used to refer to any of the four largest (living) members of the entire Panthera genus. Among the five total species within the Panthera genus, these four are the only cats that are able to roar.