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Gait assessment can be used to differentiate genuine knee pain or pain which referred from hip, lower back or the foot. A person can be asked to perform a duckwalk. This requires the person to squat and walk in that position. In order to perform a duckwalk, the person has to be free of ligamentous tear, knee effusions, and meniscal tears.
The Ottawa knee rules are a set of rules used to help physicians determine whether an x-ray of the knee is needed. [1] They state that an X-ray is required only in patients who have an acute knee injury with one or more of the following: Age 55 years or older; Tenderness at head of fibula; Isolated tenderness of patella
The patient should be supine with the hips flexed to 45 degrees, the knees flexed to 90 degrees and the feet flat on table. The examiner positions himself by sitting on the examination table in front of the involved knee and grasping the tibia just below the joint line of the knee.
Most commonly, varus and valgus stress to the knee is added. These variations constitute different tests with different statistical performance and should not be confused with the original. According to some sources, the sensitivity of the McMurray test for medial meniscus tears is 53% and the specificity is 59%.
Then release the knee support. Failure of the knee to adduct is a positive test. The examiner places a stabilizing hand on the patient's upper iliac crest and then lifts the upper leg, is flexed at the knee, extends it at the hip, and slowly lowers it toward the bottom leg, allowing the thigh to lower towards the table.
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