2.  Medical Term: Hip Dysplasia  A progressive, deteriorating problem in the ball-and-socket joint of the hip whereas the ball does not fit and move efficiently in the socket  Can be genetic but can also be caused by outside factors including extreme sports, gymnastics, and dance.

3.  Most commonly found in women  Most commonly found in dogs, rather than humans.  Most commonly posterior (9 out of 10 dislocations)

4. ANTERIOR VS. POSTERIORCONGENITAL VS. ACQUIRED Posterior: More common. Affected limb is visibly shorter and internally rotated. Congenital: Must be detected early on or child’s hip may develop incorrectly. Detected through limping or waddling gait. More common in girls. Treated by traction Anterior: Less common. Affected limb not as visibly noticeable as Posterior and extremely (visibly) rotated. Acquired: Extremely painful, most common after car accidents. Treated by surgical realignment or traction

6.  Pavlik Harness is used for babies under 6 months  Older usually requires surgery or traction therapy.  Hewson brace for children above a year

7.  http://orthopedics.about.com/od/pedia trichipinjuries/a/dysplasia.htm http://orthopedics.about.com/od/pedia trichipinjuries/a/dysplasia.htm  http://www.ehow.com/how_4583514_tre at-hip-dysplasia-humans.html http://www.ehow.com/how_4583514_tre at-hip-dysplasia-humans.html  http://www.pediatric- orthopedics.com/Topics/DDH___Hip_Dys p/ddh___hip_dysp.html http://www.pediatric- orthopedics.com/Topics/DDH___Hip_Dys p/ddh___hip_dysp.html