Who MDI Supports

MDI supports people who have muscular dystrophy and related neuromuscular conditions and their families. These conditions are characterised by the progressive weakening and wasting of the muscles. They can affect adults and children. Some forms arise at birth or in childhood, others may not manifest themselves until later in life. Each type of muscular dystrophy arises from a different genetic mutation or deletion which is inherited from one or both parents or is due to a spontaneous mutation. This means that there are families who have more than one member with the condition.

There is no cure for muscular dystrophy but there have been huge advances in increasing the quality of life for people with the condition and scientists around the world are working hard to develop new treatments.

Membership by County Chart

Membership Increase graph

From 2006 to 2018, MDI’s membership has increased by just under 63% (click on the graph on the left to zoom in).  MDI also supports the extended families of people with neuromuscular conditions, including parents, carers and siblings, and provides support and information to healthcare and educational professionals. Our network of support extends to over 4200 people.

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1. Muscular Dystrophies

  • Becker muscular dystrophy
  • Duchenne muscular dystrophy
  • Manifesting carrier of Duchenne
  • Congenital muscular dystrophy - General
  • • MDC1A (merosin-deficient congenital muscular dystrophy)
  • • Rigid spine syndrome (RSS)
  • • Ullrich congenital muscular dystrophies
  • • Bethlem myopathy
  • Emery-Dreifuss muscular dystrophy

2. Myotonic Disorders

  • Congenital Myotonic Dystrophy
  • Myotonia
  • Myotonic Dystrophy

3. Congenital Myopathies

  • Central Core Myopathy
  • Minicore (Multicore) myopathy
  • Myotubular or Centronuclear myopathy
  • Nemaline myopathy

4. Mitochondrial Myopathies

  • Mitochondrial Myopathies

5. Metabolic Disorders

  • Metabolic disorders (general)
  • McArdle’s Disease
  • Pompe’s Disease

6. Periodic Paralyses

  • Periodic Paralyses

7. Autoimmune Myositides

  • Polymyositis, Dermatomyositis and Sarcoid myopathy
  • Juvenile dermatomyositis
  • Inclusion body myositis

8. Spinal Muscular Atrophies

  • Severe (Type I)
  • Intermediate (Type II)
  • Mild (Type III)
  • Adult spinal muscular atrophy

9. Hereditary Motor and Sensory Neuropathies

  • (Also known as Charcot-Marie-Tooth or Peroneal muscular atrophy)

10. Disorders of the Neuromuscular Junction

  • Congenital myasthenic syndromes
  • Myasthenia Gravis

11. Friedreich’s Ataxia

  • Facioscapulohumeral muscular dystrophy
  • Limb-girdle types of muscular dystrophy (LGMD) - General
  • • LGMD 1B (also known as Laminopathy)
  • • LGMD 1C (also known as Caveolinopathy)
  • • LGMD 2A (also known as Calpainopathy)
  • • LGMD 2B (also known as Dysferlinopathy)
  • • LGMD 2I
  • Ocular myopathies including ocularopharangeal muscular dystrophy

12. Other (Please Specify)

13. Unspecified