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).
The Cheetah-Acinonyx jubatus is a large feline and the only surviving member of the genus Acinonyx. While it is indeed a large cat it is not directly related to the true big cats from the Pantherinae subfamily.The cheetah is noted for being the worlds fastest land animal able to reach speeds as high as 112 to 120 km/h.he Cheetah-Acinonyx jubatus is a large feline and the only surviving member of the genus Acinonyx. While it is indeed a large cat it is not directly related to the true big cats from the Pantherinae subfamily. The cheetah is noted for being the worlds fastest land animal able to reach speeds as high as 112 to 120 km/h.