According to Wikipedia, an injury is damage or harm caused to the structure or function of the body caused by an outside agent or force, which may be physical or chemical. Eventually many runners will face an injury - look at the Runiki Injury Advice page to see what to do about injuries when they happen.

External Links

• Common Running Injuries (http://orthopedics.about.com/cs/sportsmedicine/a/runninginjury.htm)