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Vibration exposure is also associated with hand-arm vibration syndrome, which has symptoms of lack of blood circulation to the fingers, nerve compression, tingling, and/or numbness. [19] Recent epidemiological studies identify gender as a significant risk factor in occurrence of MSDs among workers in gender-related occupations, e.g. hairdressers .
Many affected people will eventually become unable to walk [2] and Duchenne muscular dystrophy in particular is associated with shortened life expectancy. Muscular dystrophy was first described in the 1830s by Charles Bell. [2] The word "dystrophy" comes from the Greek dys, meaning "no, un-" and troph-meaning "nourish". [2]
Muscle weakness is a lack of muscle strength. Its causes are many and can be divided into conditions that have either true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy.
As a result, people with multiple symptoms that may be explained by a complex disorder such as DM1 or DM2 will generally be referred by their primary care physician to a neurologist for diagnosis. Depending on the presentation of symptoms, people may be referred to a number of medical specialists including cardiologists , ophthalmologists ...
The Merck Manuals (outside the U.S. and Canada: The MSD Manuals; Chinese: 默沙东诊疗手册; pinyin: Mòshādōng Zhěnliáo Shǒucè) are medical references published by the American pharmaceutical company Merck & Co. (known as MSD outside the United States and Canada), that cover a wide range of medical topics, including disorders, tests, diagnoses, and drugs.
Spinal and bulbar muscular atrophy (SBMA), popularly known as Kennedy's disease, is a rare, adult-onset, X-linked recessive lower motor neuron disease caused by trinucleotide CAG repeat expansions in exon 1 of the androgen receptor (AR) gene, which results in both loss of AR function and toxic gain of function.
People with ADHD may have mostly symptoms of inattention or mostly symptoms of hyperactivity-impulsivity, while some will have both types of symptoms, the National Institute of Mental Health (NIMH ...
The symptoms of Bethlem myopathy may overlap with other conditions including Emery–Dreifuss muscular dystrophy, congenital muscular dystrophies, limb girdle muscular dystrophies, FHL1-related myopathies (X-linked myopathy with postural muscle atrophy, reducing body myopathy, and scapuloperoneal myopathy), and some forms of Ehlers–Danlos ...