clonic

[ klon-ik, kloh-nik ]

/ ˈklɒn ɪk, ˈkloʊ nɪk /

of or relating to clonus.

Origin of clonic

First recorded in 1840–50; clon(us) + -ic

clo·nic·i·ty

[kloh-nis-i-tee, klo-] /kloʊˈnɪs ɪ ti, klɒ-/, noun clon·ism

[kloh-niz-uh m] /ˈkloʊ nɪz əm/, noun

Trismus is not uncommon, and clonic spasms frequently affect the limbs.

A System of Practical Medicine by American Authors, Vol. I |Various
In the clonic variety there are undue rapidity and increased frequency of the movements.

Tics and Their Treatment |Henry Meigne
What else are these than persistent contractions or tonic tics, alternating or co-existing with jerking movements or clonic tics?

Tics and Their Treatment |Henry Meigne
Clonic, klon′ik, adj. pertaining to clonus, with alternate convulsive contractions and relaxations of the muscles (of spasms)—opp.

Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) |Various

The objective manifestation of tic is a clonic or tonic convulsive movement, an anomaly by excess of muscular contraction.

Tics and Their Treatment |Henry Meigne

clonic

[ klŏn′ĭk, klō′nĭk ]

Of the nature of clonus, marked by contraction and relaxation of muscle.