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Related Experiment Video

Updated: Jul 6, 2026

The Lower Body Positive Pressure Treadmill for Knee Osteoarthritis Rehabilitation
09:10

The Lower Body Positive Pressure Treadmill for Knee Osteoarthritis Rehabilitation

Published on: July 22, 2019

Patient-reported activity level after total knee arthroplasty.

Diane L Dahm1, Sunni A Barnes, Jeffrey R Harrington

  • 1Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, 55905, USA.

The Journal of Arthroplasty
|March 25, 2008
PubMed
Summary

Most total knee arthroplasty patients report high satisfaction with activity levels, though some experience limitations from other joints. Age and sex influence post-surgery activity and perceived performance.

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Rehabilitation Medicine

Background:

  • Total knee arthroplasty (TKA) is a common procedure for knee osteoarthritis.
  • Understanding patient activity levels and satisfaction post-TKA is crucial for assessing surgical outcomes.
  • Factors influencing post-TKA physical activity require further investigation.

Purpose of the Study:

  • To evaluate the clinical outcomes and activity levels of patients following primary total knee arthroplasty.
  • To identify factors associated with patient satisfaction and participation in athletic activities.
  • To compare activity levels based on patient demographics and pre-operative characteristics.

Main Methods:

  • A cohort of 1630 patients undergoing primary TKA between 1995-2000 was identified.

Related Experiment Videos

Last Updated: Jul 6, 2026

The Lower Body Positive Pressure Treadmill for Knee Osteoarthritis Rehabilitation
09:10

The Lower Body Positive Pressure Treadmill for Knee Osteoarthritis Rehabilitation

Published on: July 22, 2019

  • Patients were surveyed regarding clinical outcomes, activity levels, and participation in 40 athletic activities.
  • University of California at Los Angeles (UCLA) activity rating and Knee Society function scores were assessed.

    • Main Results:

    • 1206 patients (74%) responded at a mean of 5.7 years post-arthroplasty.
    • 91% reported satisfaction with their activity level; 53% experienced limitations from other joints.
    • Older patients (>70 years) and women reported lower activity levels and scores compared to younger patients and men, respectively.

    Conclusions:

    • Primary TKA generally leads to high patient satisfaction with activity levels.
    • Age and sex are significant determinants of post-TKA activity and perceived function.
    • A notable percentage of patients engage in high-demand activities, despite recommendations.