The release of chemicals and the compression of nerves in the area of injury cause pain. The pain and swelling can keep the athlete from using the injured part, serving to protect it from further injury. However, often times, the body's response is excessive.
Hudson is a city in Lenawee County in the U.S. state of Michigan. The population was 2,307 at the 2010 census. The city is located within Hudson Township, but is politically independent.
Alpena /Ã¦lËpiËnÉ/ is a city in the U.S. state of Michigan and the county seat of Alpena County. It is considered to be part of northern Michigan. The Thunder Bay National Marine Sanctuary is located in the city. The population was 10,483 at the 2010 census.