Bengaluru, India, 560001
Electromyography (EMG) is a specialized diagnostic test used to evaluate the health and function of muscles and the nerves that control them. It records the electrical activity produced by muscles during rest and contraction, helping neurologists identify abnormalities in nerve–muscle communication. Purpose of EMG EMG is commonly used to diagnose and assess conditions that affect the peripheral nerves, neuromuscular junction, or muscles. It helps differentiate whether symptoms such as muscle weakness, pain, numbness, or cramps are caused by nerve damage or muscle disease. How EMG is Performed During the test, a thin, sterile needle electrode is gently inserted into specific muscles. The electrode detects electrical signals while the muscle is at rest and during voluntary contraction. These signals are displayed on a monitor and analyzed by the neurologist. EMG is often performed along with Nerve Conduction Studies (NCS) for a more comprehensive evaluation.