People who have implanted electronic medical devices including pacemakers and cardiodefibrillators are not suggested to use<unk> . In addition, caution should be taken before using<unk>  in those who are pregnant, have epilepsy, have an active malignancy, have deep vein thrombosis, have skin that is damaged, or are frail.
Transcutaneous electrical nerve stimulation
Repetitive nerve stimulation
Percutaneous tibial nerve stimulation
Electrical muscle stimulation
Nerve conduction study
Nerve biopsy
Femoral nerve stretch test
Electromyography