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Williams syndrome (WS), also Williams–Beuren syndrome (WBS), is a genetic disorder that affects many parts of the body. [2] Facial features frequently include a broad forehead, underdeveloped chin, short nose, and full cheeks. [ 2 ]
Hypotonia is a state of low muscle tone [1] (the amount of tension or resistance to stretch in a muscle), often involving reduced muscle strength. Hypotonia is not a specific medical disorder, but a potential manifestation of many different diseases and disorders that affect motor nerve control by the brain or muscle strength.
By age 10, the child may need braces and by age 12, most patients are unable to walk. [15] Typical lifespans range from 15 to 45. [15] Sporadic mutations in this gene occur frequently. [16] Distal muscular dystrophy: 254130: DYSF: AD, AR: 20–60 years Distal muscles in hands, forearms and lower legs Progress is slow and not life-threatening. [17]
Exercise intolerance is not a disease or syndrome in and of itself, but can result from various disorders. In most cases, the specific reason that exercise is not tolerated is of considerable significance when trying to isolate the cause down to a specific disease.
Facioscapulohumeral muscular dystrophy (FSHD) is a type of muscular dystrophy, a group of heritable diseases that cause degeneration of muscle and progressive weakness. Per the name, FSHD tends to sequentially weaken the muscles of the face, those that position the scapula, and those overlying the humerus bone of the upper arm.
Children with autosomal dominant MED experience joint pain and fatigue after exercising. Their x-rays show small and irregular ossification centers, most apparent in the hips and knees. There are very small capital femoral epiphyses and hypoplastic, poorly formed acetabular roofs. [1] A waddling gait may develop.
Cognitive disengagement syndrome (CDS) is a syndrome characterized by developmentally inappropriate, impairing, and persistent levels of decoupled attentional processing from the ongoing external context and resultant hypoactivity.
Life expectancy is reduced, even as most people with SMA 2 live well into adulthood even without treatment. 253550: SMA 3 (Juvenile) Kugelberg–Welander disease >12 months The juvenile form, diagnosed in around 30% of patients, manifests after 12 months of age, or after the children have already learned to make at least a few independent steps.