Help with Evaluation Methods for Bones - Anatomy

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Question

The fulcrum test and the patellar-pubic percussion test are tests for fractures of which bone?

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Answer

These are tests for femur fractures, specifically for fractures of the femoral neck. The fulcrum test involves having the patient sit with his/her affected leg hanging off the edge of a surface, then the examiner will place his/her forearm under the shaft of the femur. If the patient experiences pain in the femur upon applying downward force on the knee, the result is positive, and the patient has fractured the femur. The patellar-pubic percussion test involves the use of a stethoscope on the lateral aspect of the pubic symphysis of the leg being examined. The patella is tapped with the tip of a finger or a tuning fork. Normally, there will be a distinct, loud sound that is caused by each tapping; if the sound is dissipated or muffled, this indicates a femoral fracture.

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