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  2. 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.

  3. What Muscles Are Used in Jumping Jacks? Trainers Break It Down

    www.aol.com/lifestyle/muscles-used-jumping-jacks...

    "The deltoids are located at the top of the arm and cover the shoulder joint," Julom explains. "When doing jumping jacks, the arms move up and down, engaging the deltoids and building strength and ...

  4. Myoclonus - Wikipedia

    en.wikipedia.org/wiki/Myoclonus

    Barbiturates slow down the central nervous system and cause tranquilizing or antiseizure effects. Phenytoin and primidone are effective antiepileptics drugs, although phenytoin can cause liver failure or have other harmful long-term effects in patients with PME. Sodium valproate is an alternative therapy for myoclonus and can be used either ...

  5. Rebound exercise - Wikipedia

    en.wikipedia.org/wiki/Rebound_exercise

    "Each phase of the sequence included a 2-min warm-up, followed by 5 min of jumping. The four heights, measured by the distance the subjects’ feet were elevated above the trampoline bed, were 18, 37, 75, and 100 cm. A 5- to 10-min rest period was provided between each jumping level." The jump heights in inches were: 7", 14.6", 29.5" and 39.4".

  6. Here’s why everyone’s jumping on the trampoline fitness craze ...

    www.aol.com/lifestyle/why-everyone-jumping...

    If you spent the better part of 2020 and 2021 socially distanced and woefully sedentary, you might still be struggling to lose the so-called "Covid 19."

  7. What the Hell Is 'Bed Rotting' and Why Is It Trending ... - AOL

    www.aol.com/hell-bed-rotting-why-trending...

    Bed rotting and carcass time are two TikTok self-care trends that involve staying in bed all day. We asked experts if they're healthy forms of self care.

  8. Kohnstamm's phenomenon - Wikipedia

    en.wikipedia.org/wiki/Kohnstamm's_phenomenon

    The arm will involuntarily rise. Russian scientists Victor Gurfinkel, Mikhail Lebedev and Yuri Levick used Kohnstamm's phenomenon to activate tonogenic structures in humans and thereby demonstrate postural automatisms, such as neck reflexes.

  9. Kip-up - Wikipedia

    en.wikipedia.org/wiki/Kip-up

    Video of a kip-up A nip-up performed during an acro dance routine Not to be confused with the juggling of a football known as kick-ups . A kip-up or kick-up (also called a rising handspring , Chinese get up , kick-to-stand , nip-up , [ 1 ] flip-up , or carp skip-up ) is an acrobatic move in which a person transitions from a supine , and less ...