Lower motor neurons transmit nerve signals from the spinal cord to the muscles. significant damage to nerves in the brain or spinal cord.Infections, such as meningitis or encephalitis.In more severe cases, the knee-jerk reflex is overactive, and the muscles that control the knee shake rhythmically and uncontrollably. READ ALSO: NMDA receptors and their relationship to disease For example, the normal ankle reflex is instead hyperactive, with the muscles that control the ankle shaking rhythmically and uncontrollably. Understanding Spasticity and Stiffness in Multiple SclerosisĬlones describe repeated twitching or twitching of muscles and, like spasms, are thought to be caused by faulty neurotransmission characteristics of MS. Amyotrophic lateral sclerosis (ALS, Lou Gehrig’s disease).Other conditions that can cause cramps include: In other words, nerve transmission from the brain and spinal cord to the nerves that control muscles is impaired.
It is caused by a disruption in signaling between upper and lower motor neurons. Spasticity describes muscle tightness and stiffness, as well as constant or sudden cramps some people describe these as twitching.Ĭramps are a common symptom of MS, often affecting one or both legs. There are three types of muscle twitches, each with a degree of uniqueness. Likewise, for those who haven’t been diagnosed with multiple sclerosis, it’s best not to ignore this symptom because you may have a condition that needs treatment. Or, it could be due to one of the other reasons you might not realize you’re living with it too.It’s important to organize why behind what you’ve been through. If you have MS, your muscle twitches may be due to your disease.
Some are benign, but some require medical attention.
However, there are other possible causes of various types of muscle twitches, from fatigue and nutritional deficiencies to thyroid disease and more. This is common with multiple sclerosis (MS) because nerve fiber damage affects the signaling between your nerves and muscles. Muscle twitches occur when nerves misfire, causing groups of muscle fibers to contract.
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