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Related Experiment Video

Updated: Jul 10, 2026

Using a Knee Arthrometer to Evaluate Tissue-specific Contributions to Knee Flexion Contracture in the Rat
04:59

Using a Knee Arthrometer to Evaluate Tissue-specific Contributions to Knee Flexion Contracture in the Rat

Published on: November 9, 2018

[Restricted motion after total knee arthroplasty].

T Kucera1, K Urban, K Karpas

  • 1Ortopedická klinika FN a LF UK Hradec Králové, Sokolská 581, Hradec Králové. kucera@tiscali.cz

Acta Chirurgiae Orthopaedicae Et Traumatologiae Cechoslovaca
|November 16, 2007
PubMed
Summary

Restricted motion after total knee arthroplasty (TKA) affects 4.14% of patients, often due to pre-existing stiffness or scar tissue. While some cases resolve with conservative treatment, severe stiffness may require revision surgery.

Related Concept Videos

Knee Joint01:23

Knee Joint

The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Rehabilitation Medicine

Context:

  • Total knee arthroplasty (TKA) is a common procedure for end-stage knee osteoarthritis.
  • Postoperative restricted knee motion remains a significant challenge impacting patient outcomes.
  • Standardized criteria for assessing TKA stiffness are lacking in existing literature.

Purpose:

  • To determine the incidence of restricted knee motion following TKA.
  • To investigate the causes and potential treatment options for TKA-related stiffness.
  • To evaluate the effectiveness of various interventions for improving knee joint mobility.

Summary:

  • A study of 796 TKA patients found 4.14% experienced restricted motion.
  • Pre-operative stiffness and excessive scar tissue formation were primary contributors.

Related Experiment Videos

Last Updated: Jul 10, 2026

Using a Knee Arthrometer to Evaluate Tissue-specific Contributions to Knee Flexion Contracture in the Rat
04:59

Using a Knee Arthrometer to Evaluate Tissue-specific Contributions to Knee Flexion Contracture in the Rat

Published on: November 9, 2018

  • While 17 patients improved without surgery, revision arthroplasty was effective for severe cases.

    • Impact:

    • Highlights the importance of addressing pre-operative joint stiffness.
    • Identifies excessive adhesions and heterotopic ossification as key challenges.
    • Informs surgical technique and rehabilitation protocols to minimize TKA stiffness.
    • Suggests revision arthroplasty as a viable option for refractory cases.