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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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Ankle Joint01:10

Ankle Joint

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Related Experiment Video

Updated: Apr 21, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
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Patellofemoral joint replacement, an evolving concept.

Todd Borus1, Jean Brilhault2, Norberto Confalonieri3

  • 1Legacy Salmon Creek Hospital, 2211 NE 139th Street, Vancouver WA 98686, USA.

The Knee
|November 11, 2014
PubMed
Summary

Isolated patellofemoral arthritis management is challenging. Patellofemoral joint replacement offers an effective treatment option, with outcomes depending on surgical factors and implant design.

Keywords:
Knee prosthesisPatellofemoral arthroplastyPatient-specific instrumentsTrochlear component design

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Area of Science:

  • Orthopedics and Sports Medicine
  • Biomedical Engineering

Background:

  • Isolated patellofemoral arthritis presents a rare and complex clinical challenge.
  • Current management strategies for patellofemoral arthritis are often debated.

Purpose of the Study:

  • To evaluate patellofemoral joint replacement as a treatment for isolated patellofemoral arthritis.
  • To discuss the evolution of patellofemoral implant designs and surgical techniques.

Main Methods:

  • Review of historical and current literature on patellofemoral joint replacement.
  • Analysis of factors influencing clinical outcomes in patellofemoral arthroplasty.

Main Results:

  • Patellofemoral joint replacement has evolved towards more anatomic implant designs.
  • Surgical techniques for patellofemoral replacement have become more reproducible.
  • Clinical success is strongly linked to appropriate patient selection, implant choice, and surgical execution.

Conclusions:

  • Patellofemoral joint replacement is a viable and effective treatment for isolated patellofemoral arthritis.
  • Advancements in implant design and surgical methodology have improved outcomes.
  • Careful consideration of indications, implant characteristics, and surgical technique is paramount for successful patellofemoral arthroplasty.