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  2. Myoclonus - Wikipedia

    en.wikipedia.org/wiki/Myoclonus

    The sudden jerks and twitching of the body can often be so severe that it can cause a small child to fall. A myoclonic seizure (myo "muscle", clonic "jerk") is a sudden involuntary contraction of muscle groups. The muscle jerks consist of symmetric, mostly generalized jerks, localized in the arms and in the shoulders and also simultaneously ...

  3. 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.

  4. Startle response - Wikipedia

    en.wikipedia.org/wiki/Startle_response

    The activation of the facial motor nucleus causes a jerk of the head while an activation in the spinal cord causes the whole body to startle. [ 6 ] During neuromotor examinations of newborns, it is noted that, for a number of techniques, the patterns of the startle reaction and the Moro reflex may significantly overlap, the notable distinction ...

  5. Falling (sensation) - Wikipedia

    en.wikipedia.org/wiki/Falling_(sensation)

    A hypnic jerk is the feeling triggered by a sudden muscle twitch, causing the feeling of falling while sleeping or dreaming. Hypnic jerks typically occur moments before the first stage of sleep. [2] About 70% of people have experienced hypnic jerk. [3] Hypnic jerks are most common in children, when dreams are considered the most simple. [4]

  6. Tardive dyskinesia - Wikipedia

    en.wikipedia.org/wiki/Tardive_dyskinesia

    Tardive dyskinesia (TD) is an iatrogenic disorder that results in involuntary repetitive body movements, which may include grimacing, sticking out the tongue or smacking the lips, [1] which occurs following treatment with medication. [6] [7] Additional motor symptoms include chorea or athetosis. [1]

  7. Tic - Wikipedia

    en.wikipedia.org/wiki/Tic

    Simple motor tics are typically sudden, brief, meaningless movements that usually involve only one group of muscles, such as eye blinking, head jerking, or shoulder shrugging. [10] Motor tics can be of an endless variety and may include such movements as hand clapping, neck stretching, mouth movements, head, arm or leg jerks, and facial grimacing.

  8. 22 Ways Men Can Make Their Orgasms Better - AOL

    www.aol.com/23-ways-men-orgasms-better-211300041...

    1) Touch your taint. If you haven’t already been introduced, meet your taint—or your perineum, if we’re getting technical.It’s the strip of skin between your balls and your butt, and it ...

  9. Hiccup - Wikipedia

    en.wikipedia.org/wiki/Hiccup

    A hiccup (scientific name singultus, from Latin for "sob, hiccup"; also spelled hiccough) is an involuntary contraction (myoclonic jerk) of the diaphragm that may repeat several times per minute. The hiccup is an involuntary action involving a reflex arc . [ 1 ]

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