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.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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

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