Use of reliability tested clinically data towards a portable device measurement kit system for upper limb spasticity
Keywords:Upper limb, stroke, rehabilitation
Spasticity refers to the abnormal symptom of having resistance in the joints when patients tried to make a movement. Patients with spasticity need to undergo multiple therapy sessions with medical intervention to ensure that the upper limb achieve maximal function. Modified Ashworth Scale (MAS) is frequently used in clinical assessment with grading on a scale. However, this scale is limited in sensitivity and the accuracy of this evaluation is dependent on the physician’s and therapist’s experience. This study suggests developing a portable measurement device kit system during clinical assessment to reduce inter- and intra-rater variability, and to assist clinicians in making quick clinical evaluation of spasticity. In this study, 19 patients were involved in the data acquisition. Assessment data from upper limb of patients with spasticity were recorded using a Manual Muscle Tester (MMT) and digital goniometer to measure force and the angular motion. During the assessment, patients were examined through slow and fast motion for spasticity evaluation. The collected data were analyzed to study intra-rater reliability value by using Statistical Package for the Social Sciences (SPSS). The results of Intraclass Correlation Coefficient (ICC) values for all patients were in range 0.78 to 0.89. It can be considered that the collected data was reliable and can be used to formulate a model towards the development of a portable device measurement kit system for upper limb spasticity.
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