Clinical measurement of muscle tone using a velocity-corrected modified ashworth scale

Smith, Andrew W., Jamshidi, Mo and Lo, Sing Kai 2002, Clinical measurement of muscle tone using a velocity-corrected modified ashworth scale, American journal of physical medicine and rehabilitation, vol. 81, no. 3, pp. 202-206.

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Title Clinical measurement of muscle tone using a velocity-corrected modified ashworth scale
Author(s) Smith, Andrew W.
Jamshidi, Mo
Lo, Sing Kai
Journal name American journal of physical medicine and rehabilitation
Volume number 81
Issue number 3
Start page 202
End page 206
Publisher Lippincott Willimas & Wilkins
Place of publication Philadelphia, Pa.
Publication date 2002-03
ISSN 0894-9115
Keyword(s) physical therapy
rehabilitation
muscle spasticity
biomechanics
regression analysis
Summary Objective: To develop a new form of the modified Ashworth scale (MAS) for muscle-tone assessment that combines the MAS score with the passive muscle-stretching velocity during the assessment of muscle tone, resulting in a measure that has higher intertester reliability than the MAS.

Design: Twanty-two volunteer subjects with spinal cord injuries at a tertiary care outpatient and inpatient spinal cord injury rehabilitation center affiliated with a university were recruited for this study.

Results: A decision tree in which V-MAS scores were obtained was developed. The data obtained from three independent raters, when adjusted by means of the V-MAS, showed an excellent interrater reliability.

Conclusions: Results indicated that the V-MAS is a more reliable measure. In addition, the resulting units of the V-MAS, ranging from 0 to 1, are of the same form as pendulum test data. The V-MAS method is quite simple to use because the rater need only measure the angular range and duration of the passive movement to calculate average velocity during the MAS assessment in addition to the normal MAS rating of muscle tone.
Language eng
Field of Research 119999 Medical and Health Sciences not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2002, Lippincott, Williams & Wilkins
Persistent URL http://hdl.handle.net/10536/DRO/DU:30009346

Document type: Journal Article
Collection: School of Health Sciences
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