Definitions for "Clonus" Add To Word List
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A series of muscular contractions due to sudden stretching of the muscle, -- a sign of certain neuropathies.
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The foot is dorsiflexed by the examiner. eliciting repetitive, uncontrolled. up and down motion of the ankle. A positive test indicates pressure upon the spinal cord.
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An abnormal response to the stretching of a muscle. It consists of a series of rhythmic involunary muscle contractions that occur in response to a single stretch, such as tapping the tendon to elicit a muscle stretch reflex.
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An abnormality in neuromuscular activity characterized by rapidly alternating muscular contraction and relaxation.
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increase in involuntary muscle tone and subsequent movement that results in spasm
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involuntary rhythmic movements due to an upper motorneuron lesion and exaggerated reflexes.
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series of alternating contractions and relaxations of a muscle.
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'turmoil'. Rapid beating movement at ankle or wrist produced by sudden passive extension; associated with upper motor neuron disease ( Ch. 13).
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Involuntary movement of rapidly alternating contraction and relaxation of a muscle. Ankle Clonus is the most common form of Clonus.
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Rapid cycles of muscle contraction and relaxation.
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A series of alternating muscle contractions and partial relaxations that produce a convulsive spasm.
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convulsion characterized by alternating contractions and relaxations
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a contraction or relaxation of muscles while a clupeid is a herring
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a neurological finding observed as a spasmodic reflex in the ankle due to a compression or injury of the spinal cord.
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An abnormal movement characterized by rapid contraction and relaxation of muscles.
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Rapidly alternating contraction and relaxation of a muscle. Ankle clonus is the most common form of clonus. The spasms in the calf muscle makes the foot and leg bounce up and down. It is a sign of spasticity.
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Spasmodic alternation of muscular contraction and relaxation.
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Spasm in which rigidity and relaxation alternate in rapid succession
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A sustained series of rhythmic jerks following quick stretch of a muscle.
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Alternate muscle contraction and relaxation in rapid succession.
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Brisk increase in tone with involuntary movements that result in dysfunction of the corticospinal tracts.
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Alternate muscular contraction and relaxation in rapid succession.
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Rapid, rhythmic movement that may occur in spastic muscles.
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A lengthy state of alternating involuntary contraction and relaxation of a muscle.
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Clonus is a particular form of spasticity that occurs in response to a rapid stretching of a muscle, most often in the knee or foot. The response is a rapid rhythmic movement that may continue as long as the muscle is stretched or may gradually lessen.
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A rhythmical contraction of the muscle in response to a sudden applied and then sustained stretch stimulus.
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Rapid, rhythmic movements (alternate muscle relaxation and contractions).
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A characteristic of an upper motor neuron lesion; involuntary alternating spasmotic contraction of a muscle precipitated by a quick stretch reflex.
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Involuntary, rapid contractions and relaxations of a muscle.
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