[What is an overuse injury?
Overuse syndromes, also called cumulative trauma disorder (CTD) or repetitive strain injury (RSI), are conditions characterized by chronic irritation to a body part. Many conditions fall under the category of overuse syndromes, some of these are described below:
* Hand & Wrist
o Carpal Tunnel Syndrome
o Wrist Tendonitis
* Elbow
o Tennis Elbow
o Golfer's Elbow
* Shoulder
o Impingement Syndrome
* Hip
o Snapping Hip Syndrome
o Hip Bursitis
* Knee & Leg
o Stress Fractures
o Shin Splints
o Chondromalacia
* Foot & Ankle
o Achilles Tendonitis
o Tarsal Tunnel Syndrome
o Posterior Tibial Tendonitis]
http://orthopedics.about.com/cs/spor.../a/overuse.htm