Overview of Spasticity in Elderly Patients - The Hong Kong Geriatrics ...
Overview of Spasticity in Elderly Patients - The Hong Kong Geriatrics ...
Overview of Spasticity in Elderly Patients - The Hong Kong Geriatrics ...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Electrical StimulationHigh Frequency Stimulation• Usually applied to the spasticmuscles• No muscle contraction• Produce a t<strong>in</strong>gl<strong>in</strong>g sensationMechanisms:1. Decrease pa<strong>in</strong> ( gate theory),thereby decreas<strong>in</strong>g spasticity2. Decrease motoneuronalexcitability ( <strong>in</strong>creased H-reflexlatency)3. Potential effects on corticalfunctionLow Frequency Stimulation• Applied to the antagonistmuscles• Supramaximal <strong>in</strong>tensity to causemuscle contractionMechanisms1. Reciprocal reflex <strong>in</strong>hibition todecrease spasticity <strong>in</strong> the spasticmuscle2. Improve the strength <strong>of</strong> theantagonist muscle , therebyimprov<strong>in</strong>g function