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Related Concept Videos

Knee Joint01:23

Knee Joint

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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...
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Bones of the Lower Limb: Femur and Patella01:16

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The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
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Related Experiment Video

Updated: Mar 23, 2026

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty
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Does knee awareness differ between different knee arthroplasty prostheses? A matched, case-control, cross-sectional

Morten G Thomsen1, Roshan Latifi2, Thomas Kallemose2

  • 1Department of Orthopaedic Surgery, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, 2650, Hvidovre, Denmark. morten@grovethomsen.dk.

BMC Musculoskeletal Disorders
|April 3, 2016
PubMed
Summary

Newer Total Knee Arthroplasty (TKA) designs, including new generation Cruciate Retaining (CR) TKA, offer improved patient outcomes. These prosthetics enhance knee function and reduce awareness compared to standard CR TKA.

Keywords:
ArthroplastyAwarenessDesignFJSKneeOKSRehabilitationTKA

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Rehabilitation Science

Background:

  • Achieving low knee awareness post-Total Knee Arthroplasty (TKA) is crucial for patient satisfaction.
  • New prosthetic designs aim to provide a more natural knee sensation during activities.
  • This study evaluates patient-reported outcomes for different TKA designs.

Purpose of the Study:

  • Compare Forgotten Joint Score (FJS) and Oxford Knee Score (OKS) between TKA designs.
  • Assess outcomes for standard Cruciate Retaining (CR) TKA versus newer CR TKA and mobile bearing CR TKA.
  • Determine if advanced TKA prosthetics improve functional outcomes and reduce knee awareness.

Main Methods:

  • Matched cohort study comparing TKA designs (2010-2012).
  • Patients receiving standard CR, new generation CR, or mobile bearing CR TKA were matched by age, gender, surgery year, and knee alignment.
  • FJS and OKS questionnaires were administered to assess patient-reported outcomes.

Main Results:

  • New generation CR TKA showed statistically significant higher OKS and FJS scores compared to standard CR TKA.
  • Mobile bearing CR TKA demonstrated a statistically significant higher OKS score versus standard CR TKA.
  • While FJS scores were higher for mobile bearing TKA, the difference was not statistically significant.

Conclusions:

  • New generation CR TKA designs lead to improved functional outcomes and reduced knee awareness.
  • Patients with newer CR TKA prosthetics report better function and a more natural knee feel.
  • These findings suggest advanced TKA designs enhance patient satisfaction and recovery.