Mobile Technology to Support Physical Therapy Exercise

Overview

Osteoarthritis is the leading cause of disability in the U.S, particularly in older adults. Exercise is an evidence-based treatment option that improves pain and disability outcomes in adults with osteoarthritis, but adherence to prescribed exercise is generally low. Technology such as mobile applications (apps) for smartphones and tablets offers the potential to support exercise adherence through evidence-based components and enhanced communication between physical therapists and patients. The investigators aim to test mobile app-supported physical therapy exercise prescription compared to standard care. The investigators propose to use a two-arm randomized control trial with subjects in the intervention receiving mobile app-supported physical therapy exercise prescription and the control group receiving usual care physical therapy exercise prescription (paper handouts and verbal instruction). No known studies have assessed the impact of technological integration on adherence with PT exercises for OA. Current approaches such as therapist drawn pictures, hand-written or print-ready instructions do not account for patient communication preferences or ability to translate drawings into physical action. Mobile technology offers a potential solution to patient-centered care but has not been evaluated. This study will provide valuable information on effectiveness and user perspectives to key stakeholders such as patients, health care administrators, physical therapists and app designers.

Full Title of Study: “MyTherEx: Mobile Technology to Support Physical Therapist Directed Exercise for People Aging With Arthritis”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)
  • Study Primary Completion Date: July 30, 2019

Detailed Description

Osteoarthritis (OA) is the leading cause of disability in the U.S. The rate of activity limitation due to OA is progressing faster than expected while prevalence is projected to increase as a result of the obesity epidemic and population aging, making it a major public health problem. Exercise is an evidence-based treatment option that improves pain and disability outcomes in adults with osteoarthritis, but previous research has shown that adherence to prescribed exercise is low. Referral to physical therapy is common for people with OA with the standard of care including exercise prescription through paper handouts with brief instruction and static pictures. Such approaches do not incorporate known determinants of behavior change related to exercise adherence. Recent technology products such as mobile applications (apps) for phones and tablets offer the potential to enhance communication between physical therapists and patients. The investigators aim to test a pragmatic intervention focused on supporting people with osteoarthritis to remain engaged with an exercise program. The specific aims of the project are to: 1. Compare the effectiveness of mobile app supported exercise prescription to usual care (paper exercise prescription) on exercise adherence among mid-life and older adults receiving similarly dosed physical therapy for lower extremity OA. The investigators will also examine secondary outcomes of exercise self-efficacy, physical function, stiffness, and pain. 2. Examine the feasibility and acceptability of mobile app supported exercise prescription through recruitment and retention rates, satisfaction with care ratings, and qualitative feedback.

Interventions

  • Device: Mobile Application
    • Participants will receive usual care physical therapy guided by Clinical Practice Guidelines and based on individual symptoms and need over 7 in-person visits. Measures will be collected by the physical therapist related to leg strength, balance, fitness, and mobility as part of the usual care physical therapy evaluation and follow-up. The treating physical therapist will negotiate the physical therapy intervention based on patient preferences and goals and assessment findings. Using clinical practice guidelines, the intervention for the research participants is expected to address deficits in strength, mobility, balance, and cardiovascular endurance. Exercise prescription will be provided using the Wellpepper physical therapy exercise prescription mobile app.

Arms, Groups and Cohorts

  • Experimental: Mobile Application Group
    • The mobile app group will receive physical therapy as determined by the physical therapist and agree to receive the home exercise prescription using a mobile app on their phone or personal tablet
  • No Intervention: Control
    • The control group will receive physical therapy as determined by the physical therapist based on clinical practice guidelines and will receive the home exercise program in the traditional way through paper exercise handouts

Clinical Trial Outcome Measures

Primary Measures

  • Exercise adherence
    • Time Frame: 0, 6, and 12 weeks
    • Mean weekly exercise frequency over 6 and 12 weeks:0-21 with higher scores indicating more adherence.

Secondary Measures

  • ShortMAC Physical Function Patient Reported Outcome MeasureRO
    • Time Frame: 0, 6 and 12 weeks
    • 12-item assessment of pain and function in people with osteoarthritis: 0-100 scale with higher scores for higher function and less pain
  • 2 minute walk test
    • Time Frame: 0, 6 and 12 weeks
    • Functional exercise capacity: Score is in meters/feet with higher distances indicating better exercise capacity
  • Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP)
    • Time Frame: 0, 6 and 12 weeks
    • Pain measure: Scale range 0-100 with higher scores indicating worse pain
  • Timed Up and Go (TUG) + Dual Task
    • Time Frame: 0, 6 and 12 weeks
    • Measure of physical function: Score is in seconds with higher scores indicating worse physical function
  • Dynamic Balance: Four square balance test
    • Time Frame: 0, 6 and 12 weeks
    • Test of dynamic balance: Score is in seconds with lower scores indicating better dynamic balance
  • Self-efficacy for exercise (SEE) Scale
    • Time Frame: 0, 6, and 12 weeks
    • Self-Efficacy for Exercise Scale: Score range 0-90 with higher score indicating higher self-efficacy for exercise

Participating in This Clinical Trial

Inclusion Criteria

1. Self-report of healthcare provider diagnosed osteoarthritis in the hips or knees 2. Ability to speak and read English 3. No diagnosis of serious mental illness 4. No diagnosis of serious or terminal illness (e.g., metastatic cancer, end stage renal failure) 5. Access to smartphone/tablet Exclusion Criteria:

1. Cortisone injection to the joint with OA within the past 30 days 2. Undergoing physical therapy post-total joint replacement or in preparation for total joint replacement in the next 3 months 3. History of physical therapy for treatment of osteoarthritis in the past 6 months.

Gender Eligibility: All

Minimum Age: 50 Years

Maximum Age: 75 Years

Are Healthy Volunteers Accepted: Accepts Healthy Volunteers

Investigator Details

  • Lead Sponsor
    • University of Vermont
  • Provider of Information About this Clinical Study
    • Principal Investigator: Nancy Gell, Assistant Professor – University of Vermont
  • Overall Official(s)
    • Nancy Gell, PT, PhD, Principal Investigator, University of Vermont

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