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Related Concept Videos

Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

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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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Knee Joint01:23

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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.
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The movement of the legs is facilitated by numerous muscles located within the anterior, medial, and posterior compartments of the thigh.
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The human leg comprises an intricate system of muscles that facilitate the movement of feet and toes. Within this system, the muscles are categorized into the anterior, lateral, and posterior compartments, each with a unique set of muscles carrying out specific functions.
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Related Experiment Video

Updated: May 6, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
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Patellofemoral replacement: the third compartment.

A A Hofmann1, J B McCandless, J F Shaeffer

  • 1Hofmann Arthritis Institute, 24 South 1100 East, Suite 101, Salt Lake City, Utah 84102, USA.

The Bone & Joint Journal
|November 5, 2013
PubMed
Summary
This summary is machine-generated.

Patellofemoral replacement (PFR) offers improved outcomes for advanced arthritis, addressing issues with older designs. Contemporary prostheses and new technology show promising short-term results for this common knee condition.

Keywords:
Patellofemoral arthritispatellofemoral replacement

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Area of Science:

  • Orthopedic surgery
  • Biomedical engineering
  • Rheumatology

Background:

  • Isolated patellofemoral arthritis is prevalent, with debated treatment efficacy.
  • Advanced stages often show limited long-term success with conservative or traditional operative methods.
  • Patellar maltracking has been a challenge in previous surgical interventions.

Purpose of the Study:

  • To review the efficacy of contemporary patellofemoral replacement (PFR) prostheses.
  • To highlight advancements in PFR technology and design.
  • To discuss short-term outcomes associated with newer PFR procedures.

Main Methods:

  • Review of current literature on patellofemoral replacement.
  • Analysis of outcomes data for newer PFR designs and technologies.
  • Focus on prostheses addressing patellar maltracking.

Main Results:

  • Newer PFR designs demonstrate more consistent outcomes compared to older methods.
  • Technological advancements have improved the effectiveness of PFR.
  • Contemporary prostheses show promise in managing patellar maltracking.

Conclusions:

  • Patellofemoral replacement is regaining favor due to improved designs and technology.
  • Current PFR approaches offer better solutions for advanced patellofemoral arthritis.
  • Short-term data suggest positive results with modern PFR techniques.