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  • Title: The quantitative measurement of spasticity: effect of cutaneous electrical stimulation.
    Author: Seib TP, Price R, Reyes MR, Lehmann JF.
    Journal: Arch Phys Med Rehabil; 1994 Jul; 75(7):746-50. PubMed ID: 8024418.
    Abstract:
    The goal of this research was to determine if cutaneous electrotherapy would temporarily reduce muscle spasticity. Five traumatically brain injured (TBI) and five spinal cord injured (SCI) subjects, all with clinically evident spasticity, received surface electrical stimulation over the tibialis anterior muscle. Using the Spasticity Measurement System, stiffness around the ankle was measured before, immediately after, and 24 hours after treatment. With stimulation, ipsilateral ankle viscoelastic stiffness immediately decreased in 9 of 10 subjects and remained significantly depressed for up to 24 hours. Contralateral ankle spasticity did not significantly change. Using the same subjects under sham conditions, no significant decrements in spasticity occurred. In a subjective survey, only SCI participants reported functionally evident spasticity reductions. Also within this subgroup, efficacy of treatment was directly proportional to the severity of pre-stimulation clonus. We conclude that (1) cutaneous electrotherapy transiently decreases both TBI and SCI related spasticity and (2) pre-stimulation clonus may function as a clinical indicator of SCI patients most likely to benefit from this process.
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