Identify 4 different types of sports injuries
Injury - Herniated Disc
Symptoms/Causes – Extrinsic, Repeated overuse during bending, lifting, and sporting activities can lead to degeneration of the outer layer of the disc. 
Treatment Method - Physiotherapy treatment is effective for the treatment of a Herniated disc, although pain relieving medication is also usually necessary.
Injury – Whiplash
Symptoms/Causes – intrinsic, when the head swings forward to fast and the neck goes stiff.
http://topbraininjurylawyers.com/blog/wp-content/uploads/2011/01/Hyperextension-Hyperflexion-Whiplash.jpg
Injury: Pulled hamstring
Treatment Method
Recommended treatment for this injury consists of the RICE protocol - rest, ice, compression, and elevation. The RICE method is primarily used to reduce bleeding and damage within the muscle tissue.
Symptoms/Causes excessive stretch or tear of muscle fibers and related tissues
http://en.wikipedia.org/wiki/File:2010-10-02_pulled_hamstring.jpg
Injury: Tennis elbow
Treatment Method severity of tennis elbow symptoms mend without any treatment within six to twenty-four months. However, if tennis elbow is left untreated, it can lead to chronic pain that degrades quality of daily living
Symptoms/Causes During early experiments, it was thought that tennis elbow was primarily caused by overexertion. Studies have shown that trauma such as direct blows to the epicondyle, a sudden forceful pull, or forceful extension have caused more than half of these injuries
Injury:Dementia pugilistica
Symptoms/Causes The condition, which occurs in boxers who have suffered repeated blows to the head, manifests as dementia, or declining mental ability, problems with memory, and parkinsonism, or tremors and lack of coordination. It can also cause speech problems and an unsteady gait
