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ALS is a motor neuron disease, which is a group of neurological disordersthat selectively affect motor neurons, the cells that control voluntary musclesof the body.[3] Other motor neuron diseases include primary lateral sclerosis(PLS), progressive muscular atrophy(PMA), progressive bulbar palsy, pseudobulbar palsy, and monomelic amyotrophy(MMA).
A fasciculation, or muscle twitch, is a spontaneous, involuntary muscle contraction and relaxation, involving fine muscle fibers. [1] They are common, with as many as 70% of people experiencing them. [1] They can be benign, or associated with more serious conditions. [1] When no cause or pathology is identified, they are diagnosed as benign ...
Benign fasciculation syndrome (BFS) is characterized by fasciculation (twitching) of voluntary muscles in the body. [1] The twitching can occur in any voluntary muscle group but is most common in the eyelids, arms, hands, fingers, legs, and feet. The tongue can also be affected. The twitching may be occasional to continuous. [2]
Specialty. Neurology, neuromuscular medicine. Neuromyotonia (NMT) is a form of peripheral nerve hyperexcitability that causes spontaneous muscular activity resulting from repetitive motor unit action potentials of peripheral origin. NMT along with Morvan's syndrome are the most severe types in the Peripheral Nerve Hyperexciteability spectrum.
In its traditional manifestation, chronic inflammatory demyelinating polyneuropathy is characterized by symmetric, progressive limb weakness and sensory loss, which typically starts in the legs. Patients report having trouble getting out of a chair, walking, climbing stairs, and falling. Problems with gripping objects, tying shoe laces, and ...
Multifocal motor neuropathy (MMN) is a progressively worsening condition where muscles in the extremities gradually weaken. The disorder, a pure motor neuropathy syndrome, is sometimes mistaken for amyotrophic lateral sclerosis (ALS) because of the similarity in the clinical picture, especially if muscle fasciculations are present.
There are more than 25 genes known to be associated with amyotrophic lateral sclerosis (ALS) as of June 2018, [ 1 ] which collectively account for about 70% of cases of familial ALS (fALS) and 10% of cases of sporadic ALS (sALS). [ 2 ] About 5–10% of cases of ALS are directly inherited. [ 3 ] Overall, first-degree relatives of an individual ...
United States: May (annually) [2] Years active. Canada: 34. United States: 32. Inaugurated. Canada: 1990 [3] United States: 1992 [2] ALS Awareness Month is a campaign to spread awareness of and raise funds for research for a cure for ALS (amyotrophic lateral sclerosis, also known as Lou Gehrig ’s Disease).