![]() ![]() The sciatic nerve may be injured high along its course at the roots and plexus level underneath the pyriformis muscle in the buttock (most notoriously by injury from intramuscular injections) and along its entire course in the thigh by fracture, missile wounds orother types of injuries. Sciatic Entrapment, Compression Or Injury Sites The stimulating electrode must be a needle electrode over the sciatic notch, which is halfway between the ischial tuberosity and greater trochanter. Place the recording electrodes on those muscles used in peroneal or posterior tibial testing. The posterior tibial nerve may be involved as part of a sciatic nerve injury at the popliteal fossa in the tarsal tunnel following ankle injury and rarely at an anterior opening of the abductor hallucis muscle. Femoral Entrapment, Compression Or Injury Sites ![]() A diagnostic procedure conducted together that records and analyzes electrical impulses in your. You can also stimulate it above the inguinal ligament.īecause this nerve is difficult to stimulate in obese patients, especially above the inguinal ligament, needle electrodes may be used for that purpose. Electromyography and nerve conduction study (EMG and NCS). Stimulate the nerve in the groin over the femoral triangle or at Hunter’s canal. Place the active recording electrode over the vastus medialis muscle and the reference electrode on the patella. ![]()
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