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Related Concept Videos

Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

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 neck...
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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Related Experiment Video

Updated: Jun 13, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
09:01

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

Patellofemoral arthroplasty.

Jess H Lonner1

  • 1Booth Bartolozzi Balderston Orthopaedics, Pennsylvania Hospital, Philadelphia, Pennsylvania, USA.

Instructional Course Lectures
|April 27, 2010
PubMed
Summary
This summary is machine-generated.

Patellofemoral arthroplasty effectively treats isolated knee anterior compartment arthritis. Contemporary designs reduce dysfunction, but patient selection is crucial to avoid tibiofemoral degeneration.

Related Experiment Videos

Last Updated: Jun 13, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
09:01

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering

Background:

  • Isolated arthritis of the knee's anterior compartment can be effectively treated with patellofemoral arthroplasty.
  • Optimal outcomes depend on proper patient selection, implant alignment, and soft tissue balance.

Purpose of the Study:

  • To evaluate the effectiveness of patellofemoral arthroplasty for isolated anterior knee arthritis.
  • To identify factors influencing successful outcomes and failure mechanisms.

Main Methods:

  • Review of contemporary patellofemoral arthroplasty techniques and implant designs.
  • Analysis of failure mechanisms, particularly progressive tibiofemoral cartilage degeneration.
  • Consideration of combined procedures for patients with tibiofemoral involvement.

Main Results:

  • Contemporary implant designs have reduced patellofemoral dysfunction and failure rates compared to earlier designs.
  • Progressive tibiofemoral cartilage degeneration is the primary failure mode.
  • Careful patient selection, excluding those with tibiofemoral chondromalacia, is essential for success.

Conclusions:

  • Patellofemoral arthroplasty is a successful treatment for specific knee arthritis cases when performed with appropriate technique and patient selection.
  • Combined surgical approaches may benefit patients with coexisting tibiofemoral issues.