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Apple watch study tests App-Based recovery for hip and knee surgery

NCT ID NCT03737149

Completed Knowledge-focused Sponsor: Zimmer Biomet Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a mobile app (mymobility) paired with an Apple Watch can help people recover after hip or knee replacement surgery, possibly replacing standard physical therapy. Over 6,500 adults who were scheduled for joint replacement used the app for guided exercises and activity tracking. Researchers measured readmission rates and joint function scores to see if the digital approach works as well as traditional care.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

mymobility mobile app paired with Apple Watch

What this could lead to

If successful, this could show that a smartphone app and wearable device are a viable alternative to in-person physical therapy after joint replacement surgery.

What could go wrong

This is an observational study, not a treatment trial, so it cannot prove the app causes better outcomes. Results may not apply to all patients or healthcare settings.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Bronchiolitis Obliterans Syndrome osteoarthritis, hip osteoarthritis, knee

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

OSTEOARTHRITIS, HIP OSTEOARTHRITIS, KNEE

Contacts and locations

Locations

  • Ascension Medical Group - University Orthopaedic Specialists

    Rochester Hills, Michigan, 48307, United States

  • Bluegrass Orthopaedics

    Lexington, Kentucky, 40509, United States

  • Cleveland Clinic Florida

    Weston, Florida, 33331, United States

  • Cleveland Clinic Main Campus

    Cleveland, Ohio, 44195, United States

  • Colorado Joint Replacement

    Denver, Colorado, 80210, United States

  • Duke University

    Morrisville, North Carolina, 27560, United States

  • Emory University

    Atlanta, Georgia, 30329, United States

  • Epworth Healthcare - Richmond

    Richmond, Victoria, 3121, Australia

  • Foundation for Orthopedic Research and Education

    Temple Terrace, Florida, 33637, United States

  • Hoag Orthopedic Institute

    Irvine, California, 92618, United States

  • JIS Orthopedics

    New Albany, Ohio, 43054, United States

  • Michigan Orthopaedic Surgeons

    Troy, Michigan, 48084, United States

  • Midwest Center for Joint Replacement

    Indianapolis, Indiana, 46241, United States

  • National Capital Private Hospital

    Canberra, Australian Capital Territory, 2605, Australia

  • New Mexico Orthopaedic Associates

    Albuquerque, New Mexico, 87110, United States

  • Newton-Wellesley Hospital

    Newton, Massachusetts, 02462, United States

  • OrthoBethesda

    Bethesda, Maryland, 20817, United States

  • Orthopedic + Fracture Specialists

    Portland, Oregon, 97225, United States

  • Panorama Orthopedics & Spine Center

    Golden, Colorado, 80401, United States

  • Policlinico Universitario Campus Bio-Medico

    Roma, Italy

  • ROC Orthopedics

    Tualatin, Oregon, 97062, United States

  • Rothman Institute

    Montvale, New Jersey, 07645, United States

  • Rothman Institute

    Bryn Mawr, Pennsylvania, 19010, United States

  • Rush University Medical Center

    Chicago, Illinois, 60612, United States

  • Sah Orthopaedic Associates

    Fremont, California, 94538, United States

  • St. Annaziekenhuis

    Geldrop, Netherlands

  • Stanford University

    Redwood City, California, 94063, United States

  • University of Pennsylvania

    Philadelphia, Pennsylvania, 19104, United States

  • University of Utah

    Salt Lake City, Utah, 84108, United States

  • Washington University

    St Louis, Missouri, 63110, United States