Adiadochokinesia vs. Diadochokinesia

Adiadochokinesianoun

A dyskinesia characterized by the inability to perform the rapid alternating movements of diadochokinesia.

Adiadochokinesia

Adiadochokinesia is a dyskinesia consisting of inability to perform the rapid alternating movements of diadochokinesia. Called also adiadochocinesia, adiadochokinesis, and adiadokokinesia.Compare with dysdiadochokinesia, which is an impairment of the ability to perform rapidly alternating movements.

Diadochokinesia

Diadochokinesia or diadochokinesis is the ability to make antagonistic movements in quick succession, alternately bringing a limb into opposite positions, as of flexion and extension or of pronation and supination. Speech-language pathology defines it as the speed necessary to stop a determined motor impulse and substitute it with its opposite.