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  2. Electromyography - Wikipedia

    en.wikipedia.org/wiki/Electromyography

    A fasciculation potential is an involuntary activation of a motor unit within the muscle, sometimes visible with the naked eye as a muscle twitch or by surface electrodes. Fibrillations, however, are detected only by needle EMG, and represent the isolated activation of individual muscle fibers, usually as the result of nerve or muscle disease.

  3. Tetanic contraction - Wikipedia

    en.wikipedia.org/wiki/Tetanic_contraction

    A fused tetanic contraction is the strongest single-unit twitch in contraction. [6] When tetanized, the contracting tension in the muscle remains constant in a steady state. This is the maximal possible contraction. [3] During tetanic contractions, muscles can shorten, lengthen or remain constant length. [7]

  4. Fasciculation - Wikipedia

    en.wikipedia.org/wiki/Fasciculation

    A fasciculation, or muscle twitch, is a spontaneous, involuntary muscle contraction and relaxation, involving fine muscle fibers. [1] They are common, with as many as 70% of people experiencing them. [1] They can be benign, or associated with more serious conditions. [1]

  5. Myograph - Wikipedia

    en.wikipedia.org/wiki/Myograph

    A myograph recording from a pendulum myograph after an induced contraction. The upper line (m) represents the curve traced by the end of the myograph lever in connection with a muscle after stimulation of the muscle by a single induction-shock. A myograph is any device used to measure the force produced by a muscle when under contraction. [1]

  6. Myoclonus - Wikipedia

    en.wikipedia.org/wiki/Myoclonus

    The contractions are very rapid, occurring as often as 150 times a minute, and may persist during sleep. The condition usually appears in adults and can last indefinitely. People with palatal myoclonus usually regard it as a minor problem; some complain of an occasional "clicking" sound, a noise made as the soft palate muscles contract.

  7. 3 new reasons to be concerned about Magnificent 7 stocks

    www.aol.com/finance/3-reasons-dump-magnificent-7...

    Amazon alone sees $104 billion in capital expenditures this year, well above prior analyst forecasts of $80 billion to $85 billion. The stocks have tended to react negatively to these bold ...

  8. Trump might get an early economic win with gas prices ...

    www.aol.com/finance/trump-might-early-economic...

    This follows an average retail drop of about $0.20 per gallon from 2023 to 2024, thanks to lower crude oil prices and narrower refinery margins.. Despite a continued downward trend, however, the ...

  9. Hypnic jerk - Wikipedia

    en.wikipedia.org/wiki/Hypnic_jerk

    A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.