from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An abnormality in neuromuscular activity characterized by rapidly alternating muscular contraction and relaxation.
from The Century Dictionary.
- noun In pathology, alternating contractions and relaxations of a muscle following one another in somewhat quick succession. See
clonic spasmand ankle-clonus.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Med.) A series of muscular contractions due to sudden stretching of the muscle, -- a sign of certain neuropathies.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun medicine a
muscular spasmwith regular contractions
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun convulsion characterized by alternating contractions and relaxations
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
Musculature of legs was in a constant mild clonus, and the right foot was kept in position of talipes equinovarus.
Tapping of one knee tended to set musculature of opposite knee in mild clonus of short duration.
Considerable power had been regained in the lower extremity, so that the patient could walk with help, but foot-drop persisted; the gait was spastic in character, the reflexes were much exaggerated, and there was marked clonus.
No foot clonus, no Babinski; abdominal reflexes present, cremasteric not elicited; catalepsy not always present.
Both deep and superficial reflexes exaggerated; ankle clonus both sides; hyperæsthesia of abdomen and face.
Patellar reflexes were markedly exaggerated on both sides, the left more so than the right, and ankle clonus was present on the left side.
The plantar and patellar reflexes were much exaggerated, and there was ankle clonus, most marked in the left limb.
There was neither ankle nor patellar clonus, and the other reflexes were present and normal.
Upon tapping, the quadriceps tendon caused a brisk marked contraction of thigh muscles, followed by mild clonus.
There is an attempt at, but no true, clonus; that is, passive flexion of the foot causes two or three jerky movements.