6 Questions
Which type of muscle tone is rate dependent, with tone increasing when passive movement is rapid and decreasing when passive movement is slow?
Spasticity
What term is used to describe the sudden loss of tone that increases the ease of motion?
Mitgehen
What is the term for the superimposed ratchet-like jerkiness observed during flexion and extension of the wrist or forearm?
Cogwheel rigidity
Which type of muscle tone involves increased resistance that persists throughout the movement arc, independent of the rate of movement?
Rigidity
In which location of the lesion do disorders of muscle tone involving spasticity typically occur?
Upper motor neuron or corticospinal tract systems
Which system is associated with disorders of muscle tone involving rigidity?
Basal ganglia system
Test your knowledge about disorders of muscle tone including spasticity, rigidity, and flaccidity. Learn about the location of lesions in upper motor neuron or corticospinal tract systems, basal ganglia system, lower motor neuron system, and cerebellar disease.
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