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The adult-onset form of this syndrome is Hoffmann syndrome. [3] Some sources claim that two of the differentiating symptoms between KDSS and Hoffmann syndrome is that Hoffmann syndrome lacks painful spasms and pseudomyotonia; [ 1 ] [ 4 ] however, this claim is in conflict with other sources that list these symptoms as also being present in ...
Myotonia congenita is a congenital neuromuscular channelopathy that affects skeletal muscles (muscles used for movement). It is a genetic disorder.The hallmark of the disease is the failure of initiated contraction to terminate, often referred to as delayed relaxation of the muscles and rigidity. [1]
Yale Global Tic Severity Scale, a psychological measure designed to identify symptoms of disorders relating to attention and impulsivity, such as tic disorder, Tourette's syndrome, and obsessive-compulsive disorder, in children and adolescents between ages 6 to 17.
DM causes muscle weakness, early onset of cataracts, and myotonia, which is delayed relaxation of muscles after contraction. [5] Cataracts can be either a cortical cataract with a blue dot appearance, or a posterior subcapsular cataract. [6] Other organs affected include the heart, lungs, gastrointestinal tract, skin, and brain. [5]
A myotome is the group of muscles that a single spinal nerve innervates. [1] Similarly a dermatome is an area of skin that a single nerve innervates with sensory fibers. Myotomes are separated by myosepta (singular: myoseptum). [2] In vertebrate embryonic development, a myotome is the part of a somite that develops into muscle.
Affected are preschool and school-age children with a male predominance. [2] In one study, the median age was 6 years (range 2–13.2 years). [ 1 ] It has been estimated that BACM has an incidence of 2.69 cases per 100,000 children (<18 years) during epidemic seasons and 0.23 cases during non-epidemic seasons.
The lifter stands erect, hands about shoulder width apart, and slowly raises the shoulders as high as possible, and then slowly lowers them, while not bending the elbows, or moving the body at all. [2] The lifter may not have as large a range of motion as in a normal shrug done for active flexibility. It is usually considered good form if the ...
This syndrome can begin with severe shoulder or arm pain followed by weakness and numbness. [5] Those with Parsonage–Turner experience acute, sudden-onset pain radiating from the shoulder to the upper arm. Affected muscles become weak and atrophied, and in advanced cases, paralyzed. Occasionally, there will be no pain and just paralysis, and ...