When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  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. Rebound exercise - Wikipedia

    en.wikipedia.org/wiki/Rebound_exercise

    A pair of jumpers A mini-trampoline.. Rebound exercise (or “rebounding”) is a type of elastically leveraged low-impact exercise usually performed on a device known as a rebounder—sometimes called a "mini-trampoline" or "fitness trampoline"—which is directly descended from regular sports or athletic trampolines.

  5. 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.

  6. Why Scaling Back On Your Workouts Is The Key To Bigger ... - AOL

    www.aol.com/why-scaling-back-workouts-key...

    Don’t just jump back into your regular programming willy-nilly after a rest period—you’ll want to gradually ramp your volume and workouts back up so your body doesn’t take on too much ...

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

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

    Cozsinoor Bed Pillows for Sleeping 2-pack, $23 with on-page coupon (was $60), amazon.com Madison Park Tufted Chenille Cotton Comforter All Season King Bedding Set, $71 (was $160), amazon.com

  8. Camptocormia - Wikipedia

    en.wikipedia.org/wiki/Camptocormia

    A clinical photograph showing a patient with the flexed posture. It can be abated when lying down. [1]Camptocormia, also known as bent spine syndrome (BSS), is a symptom of a multitude of diseases that is most commonly seen in the elderly.

  9. Hemiballismus - Wikipedia

    en.wikipedia.org/wiki/Hemiballismus

    Hemiballismus or hemiballism is a basal ganglia syndrome resulting from damage to the subthalamic nucleus in the basal ganglia. [1] It is a rare hyperkinetic movement disorder, [2] that is characterized by pronounced involuntary limb movements [1] [3] on one side of the body [4] and can cause significant disability. [5]