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Is muscular dystrophy inherited?
Yes, muscular dystrophy is often inherited, although there are also cases where it can occur sporadically due to genetic mutations. It is commonly passed down in families through a faulty gene that affects muscle function and strength. There are several different types of muscular dystrophy, each with its own inheritance pattern.
Who muscular dystrophy affects?
MD is a genetic disorders in which strength and muscle bulk slowly weakens. It is caused by incorrect or missing genetic information. Without this information you can not build or maintain healthy muscles. You slowly lose the ability to walk or even sit up right. This disease can occur at any age in a persons life and there is no known cure.
What causes your muscle in your arm too shrink?
Muscle shrinkage, or muscle atrophy, can be caused by lack of use (such as immobilization or inactivity), nerve damage, malnutrition, aging, or certain medical conditions like ALS or muscular dystrophy. It can also occur as a result of a decrease in muscle protein synthesis or an increase in muscle protein breakdown.
What problems can occur in the musculoskeletal system?
Lots.Botulism or severe food poisoning, can lead to paralysisthere's muscular dystrophy, an inherited gene tetanus which results in muscle spasms and rigiditymyastrenia gravis(not so sure about the spelling) auto immune disease that causes muscular weaknessspasms,cramps,strains,pulls,tears,the list goes on.
Which way do rotations usually occur if you are not told otherwise?
Rotations are usually assumed to occur counterclockwise unless otherwise specified.
Is Duchenne muscular dystrophy more likely to occur in males or in females?
idk bro why dont you figuhre it out
What types of Muscular dystrophy affect girls?
Muscular dystrophies primarily affect boys, but girls can be affected, particularly by conditions like Becker Muscular Dystrophy and Limb-Girdle Muscular Dystrophy. Becker Muscular Dystrophy, a milder form of Duchenne Muscular Dystrophy, can occur in females who are carriers of the mutated gene. Similarly, Limb-Girdle Muscular Dystrophy can manifest in both genders, with varying severity. Other forms, like Myotonic Dystrophy, also affect females and can present with different symptoms and progression.
How often does muscular dystrophy occur?
Muscular dystrophy (MD) encompasses a group of genetic disorders that lead to progressive muscle weakness and degeneration. The most common form, Duchenne muscular dystrophy (DMD), affects approximately 1 in 3,500 male births. Other types of muscular dystrophy have varying prevalence rates, but overall, MD collectively affects about 1 in 5,000 to 1 in 10,000 individuals. The exact frequency can vary based on the specific type and population studied.
What is the percentage of muscular dystrophy in males?
Prevalence of MD is higher in males. In the United States, Duchenne and Becker MD occur in approximately one in 3,300 boys. Overall incidence of MD is about 63 per one million people.
Is muscular dystrophy inherited?
Yes, muscular dystrophy is often inherited, although there are also cases where it can occur sporadically due to genetic mutations. It is commonly passed down in families through a faulty gene that affects muscle function and strength. There are several different types of muscular dystrophy, each with its own inheritance pattern.
Can one twin have Muscular Dystrophy and the other not?
Yes, one twin can have Muscular Dystrophy while the other does not, especially in the case of identical twins. This can occur if the condition is caused by a genetic mutation that affects only one twin or if it is influenced by environmental factors that differ between the two. Additionally, if the twins are fraternal, they may inherit different genetic susceptibilities to the disorder. Thus, the presence of Muscular Dystrophy is not guaranteed to affect both twins equally.
When do symptoms of adult-onset Limb-girdle muscular dystrophy appear?
usually appear in a person's teens or twenties, and are marked by progressive weakness and wasting of the muscles closest to the trunk. Contractures may occur, and the ability to walk is usually lost about 20 years after onset
Can muscular dystrophy happen to adults?
Yes, muscular dystrophy can occur in adults. Although muscular dystrophy (MD) is linked with childhood, some types of MD develop later in life. These include myotonic dystrophy, facioscapulohumeral muscular dystrophy (FSHD), and some forms of limb-girdle muscular dystrophy. In adults, generally, muscle weakness appears slowly. Common signs of it include difficulty climbing stairs, trouble lifting objects, muscle stiffness, and frequent tripping or falls. Because the changes happen over time, many people dismiss the symptoms as aging or lack of fitness. But, persistent or worsening muscle weakness should not be ignored and if you or your loved ones are experiencing these signs, you should immediately talk to a doctor. A medical evaluation can help you identify the cause and guide appropriate treatment, therapy, and long-term care.
Muscular dystrophy?
DefinitionDuchenne muscular dystrophy is an inherited disorder that involves rapidly worsening muscle weakness.Alternative NamesPseudohypertrophic muscular dystrophy; Muscular dystrophy - Duchenne typeCauses, incidence, and risk factorsDuchenne muscular dystrophy is a rapidly-worsening form of muscular dystrophy. Other muscular dystrophies (including Becker's muscular dystrophy) get worse much more slowly.Duchenne muscular dystrophy is caused by a defective gene for dystrophin (a protein in the muscles). However, it often occurs in people without a known family history of the condition.Because of the way the disease is inherited, males are more likely to develop symptoms than are women. The sons of females who are carriers of the disease (women with a defective gene but no symptoms themselves) each have a 50% chance of having the disease. The daughters each have a 50% chance of being carriers.Duchenne muscular dystrophy occurs in approximately 1 out of every 3,600 male infants. Because this is an inherited disorder, risks include a family history of Duchenne muscular dystrophy.SymptomsSymptoms usually appear before age 6 and may appear as early as infancy. They may include:FatigueMental retardation (possible, but does not worsen over time)Muscle weakness Begins in the legs and pelvis, but also occurs less severely in the arms, neck, and other areas of the bodyDifficulty with motor skills (running, hopping, jumping)Frequent fallsRapidly worsening weaknessProgressive difficulty walkingAbility to walk may be lost by age 12By age 10, the person may need braces for walking. By age 12, most patients are confined to a wheelchair.Signs and testsA complete nervous system (neurological), heart, lung, and muscle exam may show:Abnormal heart muscle (cardiomyopathy)Congestive heart failure or irregular heart rhythm (arrhythmias) -- rareDeformities of the chest and back (scoliosis)Enlarged calf muscles, which are eventually replaced by fat and connective tissue (pseudohypertrophy)Loss of muscle mass (wasting)Muscle contractures in the heels, legsMuscle deformitiesRespiratory disorders, including pneumonia and aspiration of food or fluid into the lungs (in late stages of the disease)Tests may include:Electromyography (EMG)Genetic testsMuscle biopsySerum CPKTreatmentThere is no known cure for Duchenne muscular dystrophy. Treatment aims to control symptoms to maximize quality of life. Gene therapy may become available in the future.Activity is encouraged. Inactivity (such as bedrest) can worsen the muscle disease. Physical therapy may be helpful to maintain muscle strength and function. Orthopedic appliances (such as braces and wheelchairs) may improve mobility and the ability to care for yourself.Support GroupsYou can ease the stress of illness by joining a support group where members share common experiences and problems. See muscular dystrophy - support group. The Muscular Dystrophy Association is an excellent source of information on this disease.Expectations (prognosis)Duchenne muscular dystrophy leads to quickly worsening disability. Death usually occurs by age 25, typically from lung disorders.ComplicationsCardiomyopathyCongestive heart failure (rare)DeformitiesHeart arrhythmias (rare)Mental impairment (varies, usually minimal)Permanent, progressive disability Decreased mobilityDecreased ability to care for selfPneumonia or other respiratory infectionsRespiratory failureCalling your health care providerCall your health care provider if:Your child has symptoms of Duchenne muscular dystrophySymptoms worsen, or new symptoms develop, particularly fever with cough or breathing difficultiesPreventionGenetic counseling is advised if there is a family history of the disorder. Duchenne muscular dystrophy can be detected with about 95% accuracy by genetic studies performed during pregnancy.ReferencesKliegman RM, Behrman RE, Jenson HB, Stanton BF. Muscular dystrophies. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa:Saunders Elsevier; 2007:chap 608.
How diseases like muscular dystrophy and huntington disease are caused by mutations?
Muscular dystrophy and Huntington's disease are caused by specific genetic mutations that disrupt normal protein function. In muscular dystrophy, mutations often occur in genes responsible for muscle integrity, leading to progressive muscle degeneration. In Huntington's disease, a mutation in the HTT gene causes an expanded CAG repeat, resulting in toxic protein accumulation that affects brain function. These mutations can be inherited or arise spontaneously, ultimately leading to the characteristic symptoms of each disease.
Is it common to have celiac disease with muscular dystrophy?
Celiac disease and muscular dystrophy are distinct conditions, and while they can occur simultaneously in some individuals, it is not common for them to be directly linked. Celiac disease is an autoimmune disorder triggered by gluten, whereas muscular dystrophy is a genetic disorder characterized by progressive muscle degeneration. Some individuals with autoimmune conditions may have a higher likelihood of developing other autoimmune disorders, but the co-occurrence of these two specific conditions is not widely recognized in medical literature. Always consult a healthcare professional for personalized information and advice.
Who muscular dystrophy affects?
MD is a genetic disorders in which strength and muscle bulk slowly weakens. It is caused by incorrect or missing genetic information. Without this information you can not build or maintain healthy muscles. You slowly lose the ability to walk or even sit up right. This disease can occur at any age in a persons life and there is no known cure.
