All of the following are associated with proximal muscle weakness except –
Correct Answer: Myotonic dystrophy
Description: The general rule in that :
Myopathies have proximal muscle weakness.
Neuropathies have distal muscle weakness.
Myotonic dystrophy is an exception to this general rule and mainly involves the distal muscles. Also, know
The difference between myopathy and muscular dystrophy.
Myopathy
Any skeletal muscle disorder that causes structural changes or functional impairment of muscle. It also includes muscular dystrophies.
Muscular dystrophy
The muscular dystrophy means an abnormal growth of muscle.
It is characterized by -
It is a primary myopathy
It has a genetic basis
Course is progressive
Degeneration & Death of muscle fibres occur at some stage of the disease
So, muscular dystrophy is a type of myopathy.
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