EMG Full Form | What is the Full Form of EMG




EMG Full Form - Electromyogram

 Full Form of EMG

Full Form of EMG

  • EMG stands for Electromyogram. It's a diagnostic test which is performed to record the electrical activity of muscles at rest and through contraction.
  • It evaluates the health of muscles and nerve cells that control them. The nerve cells which are called motor neurons send electrical signals (impulses) to muscles that allow muscles to contract.
  • EMG tests how well your muscles answer electrical signals received from nerve cells (motor neurons).
  • The EMG translates these electrical signals into graphs, numerical values etc that are interpreted by the specialist.
  • During this test, electrodes are wont to transmit or detect electrical signals.
  • This test has two components : Nerve conduction study and Needle EMG.
    • Nerve conduction study:
      • It's the primary a part of this test in which electrodes are placed on the skin to live the movement and strength of impulses moving between two or more points.
      • It evaluates the power of nerve cells to send electrical impulses to their respective muscles.
    • Needle EMG :
      • During this a part of the test, a needle electrode is inserted directly into a muscle to record and evaluate electrical activity of that muscle during contraction and rest.
      • It acts sort of a microphone inserted into the muscle.
 Symptoms of Muscle

Symptoms of Muscle

  • A doctor usually suggests EMG when an individual shows the symptoms of a muscle or nerve disorder such as:
    • Numbness
    • Tingling
    • Muscle weakness
    • Muscle pain or cramping
    • Paralysis
    • Tics ( smooth muscle twitching)
  • Its results help doctor diagnose nerve disorders, muscle disorders, and other disorders that affect the coordination between nerve cells and muscles such as:
    • Nerve damage due to disk compression within the neck or back
    • Nerve compression from carpal tunnel syndrome
    • Neuromuscular diseases like amyotrophic lateral sclerosis (ALS), muscular dystrophy , poliomyelitis etc.
    • Peripheral neuropathy.


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