A basic study on communicating branch of L4,5 nerve root
Abstract:L4, 5 nerve root and its communicating branch of 26 adult cadavers were observed.It is realized that the communicating branch of L4,5 nerve root is the anatomic basis of traction test of femoral nerve and scitica and Laseque’s sign of the same side.The above signs are specification in protrusion of lumbar intervertebral disc of L4 ,5.
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