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What is the link between fasciculation and spinal muscular atrophy?

Dr. Jeanne Morrison, PhD
Family Practitioner

Fasciculation in spinal muscular atrophy (SMA) occurs mainly in the tongue muscle. There are several different types of SMA, but each one can be distinguished by weakening or flaccid muscles which often cause throat complications such as difficulty breathing, talking, or holding up the head. A doctor can check for several factors to diagnose SMA, one of which is tongue muscle fasciculation. The nervous system progressively malfunctions and causes muscle atrophy, or weakness. As muscles weaken and it becomes harder for nerves to send signals to the muscles, making them twitch

Continue Learning about Fasciculation (Muscle Twitch)

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.