A small, involuntary, sometimes jerky, back-and-forth movement of the hands, neck, jaw, or extremities is known as ________

A) a contracture
B) a tremor
C) dyskinesia
D) ataxia


B
Explanation: A) A contracture is immobile, not back-and-forth movement.
B) Correct!
C) This does not describe dyskinesia.
D) This does not describe ataxia.

Health & Biomechanics

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