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kmcquade75
04-17-2007, 02:31 AM
Dear List members,



According to what I have read, the hip joint is perhaps human bodies best example of a almost pure ball and socket joint - exhibiting essentially 4DOF , three rotational, and one degree for some translation capacity in distraction only (perpendicular to the articulating surfaces). I cannot find any evidence of any significant anterior or posterior translational movement of the hip during normal ROM. Despite this, several clinical theories and techniques suggest performing posterior or anterior translations of the hip as part of "mobilization" treatments. Shirley Sharman - in her textbook suggests significant posterior translation of the hip joint occurs, but presents no evidence to this effect??

Is anyone aware of research showing any significant translational movements of the normal hip joint? Anyone measure the ICR of the Hip ?





Thanks



Kevin J. McQuade,PT,MPH,PhD

Associate Professor,

Director Motion Analysis Research Lab.

Department of Rehabilitation Medicine

University of Washington

Box 356490

1959 Pacific St.

Seattle,Wa 98195

206.598.5411