Modified Ashworth scale
Modified Ashworth Scale
The Modified Ashworth Scale (pronunciation: /mɒdɪfaɪd ˈæʃwɔːrθ skeɪl/) is a widely used clinical tool designed to measure spasticity, a condition characterized by a velocity-dependent increase in muscle tone due to the hyperexcitability of the stretch reflex.
Etymology
The Modified Ashworth Scale is named after its creator, British physiotherapist Bryan Ashworth. The term "modified" was added when the scale was revised to improve its sensitivity.
Description
The Modified Ashworth Scale is a 6-point scale ranging from 0 (no increase in muscle tone) to 4 (limb rigid in flexion or extension). It is used to assess the resistance encountered during passive muscle stretching, with higher scores indicating greater spasticity. The scale is often used in clinical settings and research to evaluate the effectiveness of interventions aimed at reducing spasticity.
Related Terms
- Spasticity: A condition in which certain muscles are continuously contracted, causing stiffness or tightness of the muscles that may interfere with movement, speech, and gait.
- Muscle Tone: The state of tension or resistance to stretch in a resting muscle.
- Stretch Reflex: A muscle contraction in response to stretching within the muscle.
- Flexion: A bending movement that decreases the angle between two parts.
- Extension: A straightening movement that increases the angle between body parts.
See Also
External links
- Medical encyclopedia article on Modified Ashworth scale
- Wikipedia's article - Modified Ashworth scale
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