Emg
Emg
Emg (pronounced as /ˈiːɛmˈdʒiː/), also known as Electromyography, is a diagnostic procedure used to assess the health of muscles and the nerve cells that control them (motor neurons).
Etymology
The term "Emg" is derived from the Greek words "Electron" meaning amber, referring to the substance's ability to generate static electricity, "Myo" meaning muscle, and "Graphia" meaning to write.
Procedure
Emg involves the use of an instrument called an electromyograph, to produce a record called an electromyogram. An electromyograph detects the electrical potential generated by muscle cells when these cells are electrically or neurologically activated. The signals can be analyzed to detect medical abnormalities, activation level, or recruitment order, or to analyze the biomechanics of human or animal movement.
Related Terms
- Electrode: A conductor through which electricity enters or leaves an object, substance, or region.
- Neurology: The branch of medicine or biology that deals with the nerves and the nervous system.
- Motor Neuron: A nerve cell forming part of a pathway along which impulses pass from the brain or spinal cord to a muscle or gland.
- Biomechanics: The study of the mechanical laws relating to the movement or structure of living organisms.
See Also
- Nerve Conduction Study: A test commonly used to evaluate the function, especially the ability of electrical conduction, of the motor and sensory nerves of the human body.
- Muscle: A band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body.
External links
- Medical encyclopedia article on Emg
- Wikipedia's article - Emg
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