Feasibility, Preliminary Efficacy, and User Perspective Usability of Wearable Focal Vibration Therapy on Upper Extremity Function of People With Multiple Sclerosis: A Pilot Study

Summary

This pilot mixed-method study will evaluate the feasibility, preliminary efficacy, and user experience of a home-based wearable Focal Vibration Therapy (FVT) intervention for improving upper extremity (UEx) function in people with multiple sclerosis (MS). Fifteen adults with relapsing-remitting MS (PRMS) and self-reported UEx impairments will participate in a 4-week FVT program using MyovoltTM wearable FVT devices applied to arm muscles.

Eligibility

Age range

18–100 years

Sex

All

Healthy volunteers

No

Interventions

• Device
  wearable focal vibration therapy

  The focal vibration intervention will be delivered using a modified MyoVolt wearable vibration therapy device. Each MyoVolt vibration device will be assigned to a single participant for individual use only and will be clearly labeled with a unique study ID. Devices will be distributed during the baseline training session and returned at the end of the study. To prevent unauthorized use: * Participants will receive training on the appropriate use and safe handling of the device. * Each device will be stored by the participant in their home in a designated area, along with written instructions and contact information in case of any issues. * The device operates only via a linked smartphone app. This will restrict unauthorized users from easily accessing or operating the device. * Participants will be instructed not to allow others to use the device and to report any device malfunction, loss, or suspected misuse immediately to the research team.

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