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Orthopaedic

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Regional Pain Syndromes

Question
11 out of 28
 

The posture associated with the greatest lum­bar intradiskal pressure is



A Sitting, trunk flexed
B Sitting, trunk erect

C Standing, trunk flexed
D Standing, trunk erect

Ans. A

Sitting, trunk flexed

a. Nachemson's studies showed the lowest intradiskal pressure occurred with the patient supine, followed by the lateral decubitus position.

b. Sitting produced higher intradiskal pres­sures than standing, and pressures were increased in both positions by flexion of the trunk. The highest pres­sures encountered were with the patient sitting with the trunk flexed.

Regional Pain Syndromes Flashcard List

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