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Muscle System Disorders

Muscle System Disorders

Author: Aaron Mullally

This lesson will introduce several disorders and diseases of the muscular system.

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Terms to Know

The wasting away of muscle tissue leading to very weak muscles.

Muscle Spasm

An involuntary muscle contraction often caused by potassium deficiencies.

Muscular Dystrophy

A genetic disorder that causes the gradual breakdown of muscle fibers.


Muscle fiber tears or stretches too far.


A disease caused by microbes that causes muscles to continually spasm.