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Related Experiment Videos

Pre- and postoperative functional changes in total knee patients.

G L Smidt, J P Albright, R H Deusinger

    The Journal of Orthopaedic and Sports Physical Therapy
    |January 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

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    Geometric knee implants and physical therapy improved function in arthritic patients, enhancing joint motion, strength, posture, and gait. Some persistent deficits included knee extension and standing posture.

    Area of Science:

    • Orthopedics
    • Rehabilitation Medicine
    • Biomechanical Engineering

    Background:

    • Osteoarthritis and rheumatoid arthritis significantly impact joint function and patient mobility.
    • Surgical interventions, such as knee arthroplasty, aim to restore function in patients with severe arthritis.
    • Rehabilitation plays a crucial role in maximizing functional recovery after knee surgery.

    Purpose of the Study:

    • To evaluate the functional outcomes of patients undergoing geometric knee implant surgery and subsequent rehabilitation.
    • To identify specific improvements and persistent deficits in functional status following knee arthroplasty.

    Main Methods:

    • A longitudinal study involving 102 patients (140 knees) with objective laboratory measurements.
    • Preoperative and up to 24-month postoperative assessments of joint motion, muscle strength, posture, and gait.

    Related Experiment Videos

  • Inclusion of both rheumatoid and osteoarthritic patient groups.

    • Main Results:

    • Significant improvements in joint motion, muscle strength, standing posture, and gait were observed.
    • Both rheumatoid and osteoarthritic groups demonstrated functional gains post-surgery and rehabilitation.
    • Persistent deficits included reduced knee extension motion, decreased knee extensor strength, and a tendency to stand with knee flexion.

    Conclusions:

    • Geometric knee implants combined with physical therapy lead to overall functional improvement in arthritic patients.
    • While significant gains are achievable, specific deficits in motion and strength may persist.
    • Gait analysis revealed persistent abnormalities including time asymmetries, excessive stance phase, and arrhythmic body accelerations.