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Study Notes

Duchenne Muscular Dystrophy

Level:
BTEC National
Board:
Edexcel

Last updated 23 Sept 2022

Duchenne muscular dystrophy is a genetic disorder characterised by gradual muscle deterioration and weakness.

Duchenne muscular dystrophy is caused by the lack of the protein called dystrophin which keeps the cells of muscles together.

A third of all cases start in the womb, without any warning signs.

Effects of Duchenne Muscular Dystrophy

  • Progressive weakness of skeletal muscles
  • Delayed ability to sit and walk
  • Difficulties in learning to speak

Symptoms of Duchenne Muscular Dystrophy

  • Difficulty in standing
  • Walking on the balls of the feet or the toes
  • Difficulty with climbing such as steps or stairs
  • More prone to falls
  • Muscle pain
  • Unfortunately, most people die from this by their late twenties.

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