Rotator Cuff Injury Facts. The rotator cuff is made up of four muscles that help move and stabilize the shoulder joint. Damage to any or all of the four muscles and the ligaments that attach these muscles to bone can occur because of acute injury, chronic overuse, or gradual aging.
China, officially the People's Republic of China (PRC), is a sovereign state in East Asia. With a population of over 1.381 billion, it is the world's most populous state. The state is governed by the Communist Party of China based in the capital of Beijing.
China is a country full of might, great wonders and important inventions. Its history was formed by different dynasties throughout history. One of the most effective and popular dynastyâs in China was the Qin Dynasty. Qin is pronounced as chin and it is the reason why the western name for the country became China. Previous to its rise in popularity, Qin was just a small state located in the northwest of China.