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.
Sichuan is the second largest of China's 23 provinces based on its land area of 187,260 square miles (485,000 sq km). It is located in southwestern China adjacent to the country's largest province, Qinghai. Sichuan's capital city is Chengdu and as of 2007, the province had a population of 87,250,000 people. Sichuan is an important province to China because of its abundant agricultural resources which include such Chinese staples as rice and wheat.