Distribution Of fasciculations in healthy adults after exercise: An ultrasound study

Muscle & Nerve
David CzellMarkus Weber

Abstract

Ultrasound has become a reliable method to detect fasciculations. There is disagreement as to whether fasciculations above the knee should raise the suspicion of a disorder even if there are no other signs of lower motor neuron abnormality. Using ultrasonography, 3 arm and 3 leg muscles were investigated for 120 s, 45 min after 90-min handball training or a 5,000 meter run in a group of 25 men and 25 women handball players and 7 men who are amateur runners. All athletes had fasciculations in muscles above the knee. There were no fasciculations in the upper limb muscles in the runner group. In 21 men and 18 women handball players between 1 to 17 fasciculations in 2 min were detected. The number of fasciculations in the rectus femoris was 4-fold higher in the runners compared with the handball players (ratio 0.24; P = 0.037). Fasciculations may occur in muscles above the knee in healthy subjects. The distribution of fasciculations primarily depends on the exercised muscles. Muscle Nerve, 2016 Muscle Nerve 54: 132-135, 2016 Muscle Nerve 54: 132-135, 2016.

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Citations

Jul 19, 2016·Current Opinion in Neurology·Dirk FischerMike P Wattjes
May 12, 2017·Journal of Neurology, Neurosurgery, and Psychiatry·Mamede de CarvalhoMichael Swash
Mar 7, 2020·Neurological Research·Wang JuanGuo Junhong
Sep 30, 2020·Der Nervenarzt·Katharina Kneppe, David Czell

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