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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...
Fractures: Bone Repair01:27

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
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...
Ankle Joint01:10

Ankle Joint

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: Jun 20, 2026

Pseudofracture: An Acute Peripheral Tissue Trauma Model
10:08

Pseudofracture: An Acute Peripheral Tissue Trauma Model

Published on: April 18, 2011

[Patella fracture].

Sven-Oliver Dietz1, Martin-Henri Hessmann, Erol Gercek

  • 1Klinik und Poliklinik für Unfallchirurgie, Klinikum der Johannes Gutenberg-Universität Mainz, Langenbeckstrasse 1, 55101, Mainz, Germany. dietz@unfall.klinik.uni-mainz.de

Operative Orthopadie Und Traumatologie
|August 18, 2009
PubMed
Summary
This summary is machine-generated.

Surgical repair of patella fractures aims to restore knee extensor function and joint surface congruity. While effective for many, some patients experience chronic pain and limited motion post-surgery.

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Last Updated: Jun 20, 2026

Pseudofracture: An Acute Peripheral Tissue Trauma Model
10:08

Pseudofracture: An Acute Peripheral Tissue Trauma Model

Published on: April 18, 2011

Area of Science:

  • Orthopedic Surgery
  • Trauma Surgery
  • Knee Reconstruction

Background:

  • Patella fractures disrupt knee extensor function and articular congruity.
  • Accurate reconstruction is vital for restoring knee biomechanics.
  • Various surgical techniques exist for managing patella fractures.

Purpose of the Study:

  • To evaluate the outcomes of surgical reconstruction for patella fractures.
  • To assess the effectiveness of open reduction and internal fixation.
  • To analyze the impact on knee joint function and patient-reported outcomes.

Main Methods:

  • Surgical techniques included tension band wiring, lag screw osteosynthesis, or combined methods.
  • Open reduction and stable internal fixation were employed.
  • Patellectomy was considered in specific cases.

Main Results:

  • 70% of patients achieved good to excellent outcomes.
  • 30% experienced chronic pain and post-traumatic arthritis.
  • Limited knee extension was a noted complication.

Conclusions:

  • Surgical reconstruction can effectively restore knee extensor apparatus and patellofemoral joint.
  • Potential complications include chronic pain, arthritis, and motion loss.
  • Careful patient selection and surgical technique are crucial for optimal results.