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Related Experiment Videos

Stiffness after total knee arthroplasty.

Richard S Laskin1, Burak Beksac

  • 1The Institute for Hip and Knee Replacement, Hospital for Special Surgery, New York, New York 10021, US.

The Journal of Arthroplasty
|June 11, 2004
PubMed
Summary

Range of motion limitations after knee replacement surgery stem from component positioning, sizing, and soft tissue issues. Patient-specific factors like pain and obesity also impact knee function post-surgery.

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Area of Science:

  • Orthopedic Surgery
  • Biomechanics

Background:

  • Limitation of motion is a common complication following knee arthroplasty.
  • Multiple factors can contribute to restricted knee function post-surgery.

Purpose of the Study:

  • To identify and elucidate the various factors contributing to limited range of motion after knee arthroplasty.
  • To provide a comprehensive overview of surgical and patient-related causes of postoperative knee stiffness.

Main Methods:

  • Review of existing literature on knee arthroplasty outcomes.
  • Analysis of common surgical technical errors and their impact on joint mobility.
  • Identification of patient-specific factors influencing postoperative rehabilitation and range of motion.

Main Results:

  • Component malpositioning (sagittal plane), oversizing, retained osteophytes, and posterior cruciate ligament tightness are key surgical factors.
  • Postoperative physical therapy challenges and patient-related issues like pain, obesity, and adjacent joint deformities significantly affect motion.

Conclusions:

  • Addressing surgical technicalities and patient factors is crucial for optimizing range of motion after knee replacement.
  • Achieving optimal knee function requires a multifaceted approach considering both surgical precision and individual patient characteristics.

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