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Related Concept Videos

Bones of the Lower Limb: Tibia and Fibula01:10

Bones of the Lower Limb: Tibia and Fibula

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The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
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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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Fractures: Bone Repair01:27

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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...
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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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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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Muscles that Move the Leg01:23

Muscles that Move the Leg

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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.
Anterior Compartment
The quadriceps femoris, the most visible muscle of the anterior compartment, is integral for leg extension and thigh flexion. It is formed by merging four distinct muscles — the vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris. The quadriceps tendon, a shared tendon of the four quadriceps muscles, is affixed...
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Related Experiment Video

Updated: Jun 13, 2025

A Mini-Invasive Internal Fixation Technique for Studying Immobilization-Induced Knee Flexion Contracture in Rats
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Isolated proximal tibiofibular dislocation: Don't miss it.

Ayoub Bouya1,2, Chaymae Faraj3,2, Rachad Bouya4,2

  • 1Orthopedic Service; Mohammed V Military Instruction Hospital; Rabat; Morocco.

Radiology Case Reports
|September 12, 2024
PubMed
Summary
This summary is machine-generated.

Proximal tibiofibular joint (PTFJ) dislocation is a rare knee injury. Early recognition and proper management are crucial to prevent chronic pain and instability.

Keywords:
DislocationEmergencyIsolatedProximal tibiofibular jointknee

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Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Traumatology

Background:

  • Proximal tibiofibular joint (PTFJ) dislocation is an uncommon knee injury, representing less than 1% of all knee injuries.
  • Its subtle presentation often leads to delayed or missed diagnosis in clinical practice.

Observation:

  • A case report details a 38-year-old woman with a painful left knee after a domestic accident.
  • Anterolateral tibiofibular dislocation was diagnosed through thorough clinical and radiological evaluation.

Findings:

  • The case highlights the importance of clinical vigilance and comprehensive radiological assessment for diagnosing PTFJ dislocations.
  • Prompt and accurate diagnosis is essential for effective treatment planning.

Implications:

  • Undetected PTFJ dislocations can result in chronic pain, knee instability, and potential nerve damage.
  • Raising clinician awareness of this rare injury is vital for improving patient outcomes and preventing long-term complications.