In this episode of OT Conversations, occupational therapist Hao introduces and explains the Modified Ashworth Scale, a tool used to measure spasticity in muscles. Hao details what spasticity and tone are, describes the levels of the Ashworth Scale from 0 to 4, and discusses how the scale is utilized in clinical practice. The Modified Ashworth Scale includes an additional step between levels 1 and 2, known as 1+. Hao also talks about the significance of understanding and quantifying muscle tone for effective treatment and outcome measurement in occupational therapy. The episode concludes with insights on how to use the scale to communicate with other clinicians and to measure the effectiveness of interventions.