Muscular Dystrophy

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by AdamBai
Last updated 5 years ago

Discipline:
Health & Fitness
Subject:
Health
Grade:
11

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Muscular Dystrophy

Muscular Dystrophy

Muscular Dystrophy or MD is a series of genetic neuromuscular disorders that affects the musculoskeletal system. Serious cases of MD can result in death.

More Background Info

What is Muscular Dystrophy?

Who can get Muscular Dystrophy?

All muscular dystrophies are inherited from the parent. The characteristics of the type of MD are determined by the nature of the specific gene mutation and where the mutation is located.The most common type of Muscular Dystrophy is called "Duchenne MD" and it is primarily seen in men. Also, different types of MD are more prevalent in certain regions of the world.

Symptoms of Muscular Dystrophy

People affected with MD experience progressive weakness, hampered locomotion as well as the wasting of their basic voluntary muscles. Death of muscle cells and tissues also occurs. Persons affected by MD appear physically awkward with balance issues and these problems are usually accompanied by a sway back.

How is Muscular Dystrophy diagnosed?

The diagnosis of muscular dystrophy firstly includes a physical examination. If the physical exam shows signs of MD, blood tests, biopsies and genetic testing are conducted. Prenatal testing for certain types of Muscular Dystrophy are available to patients at risk. In testing, cells from the unborn can be examined for signs of MD. Carrier testing is also available for individuals who have family MD background.

How is Muscular Dystrophy Caused?

The protein responsible for muscle shape and size is called dystrophin. Located on the X chromosome, the recessive gene responsible for producing dystrophin is usually defective in patients with MD. The result of this is either a lack of dystrophin produced or the production of faulty dystrophin.

Can Muscular Dystrophy be treated?

Although MD cannot be treated, medications can slow the process.

Healthy patient(left) compared to Patient with MD(right).Taken from http://www.humanillnesses.com/original/Men-Os/Muscular-Dystrophy.html

Muscular Structure of Healthy versus MD taken from: http://www.hinsdale86.org/staff/kgabric/Disease10/Duchenne%20Muscular%20Dystrophy/

Progression of a child's growth with MD take from:http://www.health-pictures.com/duchenne-muscular-dystrophy-picture.htm


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