To cause or produce athetotic movements; to affect with involuntary writhing motions.
Variant form of 'atheticize,' formed with '-ize' from the Greek 'athetos' root. Both forms appear in older medical literature, though 'athetize' is the shorter, more commonly used variant.
This is basically a shorter cousin of 'atheticize'—doctors could say either word, but 'athetize' is more economical, which is why that's the version that stuck around in medical textbooks!
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