Which of the following terms means abnormal muscle tone?

A) atonia
B) dystonia
C) hypotonia
D) myotonia


B) dystonia
Dys- means difficult or abnormal and -tonia means tone; therefore, dystonia means
abnormal tone. A- means without; hence, atonia means lack of tone. Hypo- means insufficient;
thus, hypotonia means insufficient tone. My/o means muscle; myotonia means muscle tone.

Health & Biomechanics

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