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Electromyography (EMG) is a diagnostic procedure to assess the health of muscles and the nerve cells that control them (motor neurons). In essence the test looks for evidence of nerve or muscle injury. Motor neurons transmit electrical signals that cause muscles to contract. An EMG translates these signals into sounds and numerical values that the physician interprets. The entire study is a combination of two tests. The first part is the nerve conduction studies and consists of a small stimulation to various nerves where the speed and the strength of the nerve response are recorded using an electrode taped in the skin. The second part is the EMG where a very small needle is inserted into one muscle at a time while electrical activity within that muscle is recorded.

Your doctor may order an EMG if you have signs or symptoms that may indicate a nerve or muscle disorder. Such symptoms may include:

EMG results are often necessary to help diagnose or rule out a number of conditions such as:

At Rehabilitation Consultants EMG and nerve conduction studies are done by a board certified physician with extensive experience in the diagnose of neuromuscular and musculoskeletal disease.