diadochokinesia

noun

di·a·do·cho·ki·ne·sia

variants: or diadokokinesia \ dī-ˌad-ə-ˌkō-kə-ˈnē-zh(ē-)ə

, ˌdī-ə-ˌdō-(ˌ)kō-

, -kī-ˈnē- \

Medical Definition of diadochokinesia

: the normal power of alternating diametrically opposite muscular actions (as flexion and extension of a limb)