electromyography
UK[ɪˌlɛktrə(ʊ)maɪˈɒɡrəfi]US[ɪˌlɛktroʊmaɪˈɑːɡrəfi]
n
A technique for recording and evaluating the electrical activity produced by skeletal muscles.
Morpheme Breakdown
electro
myo
graphy
electro
electric
myo
muscle
graphy
process of recording
Etymology
The word 'electromyography' is a modern scientific compound built from three classical Greek roots. It literally translates to "the process of recording electricity from muscle." The first element, 'electro-', originates from 'ēlektron' (amber), the substance whose static electric properties were known to the ancients. The second, 'myo-', derives from 'mŷs' (mouse, muscle), likely due to the perceived resemblance of a flexing muscle to a mouse moving under the skin. The final suffix, '-graphy', comes from '-graphia', meaning the act or technique of writing or recording. Thus, the term's formation perfectly encapsulates its function: a diagnostic procedure that graphically records the electrical signals generated by muscle fibers during contraction and at rest.
Analysis
Structure: electro (electric) + myo (muscle) + graphy (process of recording)
- electro: From Greek 'ēlektron' (amber, associated with electricity). In this word, it functions as a combining form meaning "electric" or "electrical."
- myo: From Greek 'mŷs' (muscle, mouse). In this word, it functions as a combining form meaning "muscle."
- graphy: From Greek '-graphia' (writing, recording). In this word, it functions as a suffix denoting a process or technique of recording.
Examples
The neurologist ordered an electromyography to assess the patient's nerve and muscle function.
Needle electromyography involves inserting a fine electrode directly into the muscle tissue.
The results of the electromyography confirmed the diagnosis of carpal tunnel syndrome.