<p>No matter how old you are or what you do for a living, you are always using your hands. When there is something wrong with them, you may not be able to do your regular activities. </p> <p>Hand problems include :</p><ul> <li> <a href="https://medlineplus.gov/carpaltunnelsyndrome.html">Carpal tunnel syndrome</a> - compression of a nerve as it goes through the wrist, often making your fingers feel numb </li> <li>Injuries that result in <a href="https://medlineplus.gov/fractures.html">fractures</a> (broken bones), ruptured ligaments and <a href="https://medlineplus.gov/dislocations.html">dislocations</a> </li> <li> <a href="https://medlineplus.gov/osteoarthritis.html">Osteoarthritis</a> - wear-and-tear arthritis, which can also cause deformity </li> <li> <a href="https://medlineplus.gov/tendinitis.html">Tendinitis</a> - irritation of the tendons </li> <li>Disorders and injuries of your <a href="https://medlineplus.gov/fingerinjuriesanddisorders.html">fingers</a> and thumb </li> </ul>