Activity and exercise are essential to overall health and wellness. With millions of youth and adults incorporating exercise and sports into their daily fitness regimen, injuries are bound to occur.  Orthopedic Surgeon at the MemorialCare Joint Replacement Center at Orange Coast Medical Center, Trong B. Nguyen, M.D., discusses which exercise and sports-related injuries occur most frequently and offers tips for preventing serious injury while staying active, and treating injuries when they do occur to prevent long-term or permanent joint damage.