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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...
Muscles that Move the Leg01:23

Muscles that Move the Leg

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 to...

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Related Experiment Video

Updated: Jun 26, 2026

Early Weight-Bearing Rehabilitation Protocol After Anterior Cruciate Ligament Reconstruction
05:07

Early Weight-Bearing Rehabilitation Protocol After Anterior Cruciate Ligament Reconstruction

Published on: March 1, 2024

Structural and Functional Principles in Quadriceps Reconstruction.

Andrei Cretu1,2, Eliza-Maria Bordeanu-Diaconescu2, Catalina-Stefania Dumitru1,2

  • 1Department 11, Discipline Plastic and Reconstructive Surgery, University of Medicine and Pharmacy Carol Davila, 050474 Bucharest, Romania.

Muscles (Basel, Switzerland)
|June 25, 2026
PubMed
Summary
This summary is machine-generated.

Quadriceps injuries, from strains to ruptures, impact knee function. Surgical repair and advanced reconstruction, including free functional muscle transfer, are key for restoring extensor mechanism continuity and function.

Keywords:
free functional muscle transferquadriceps musclequadriceps reconstructionquadriceps rehabilitationsarcomatendon transfers

Related Experiment Videos

Last Updated: Jun 26, 2026

Early Weight-Bearing Rehabilitation Protocol After Anterior Cruciate Ligament Reconstruction
05:07

Early Weight-Bearing Rehabilitation Protocol After Anterior Cruciate Ligament Reconstruction

Published on: March 1, 2024

Area of Science:

  • Orthopedics
  • Sports Medicine
  • Reconstructive Surgery

Background:

  • Quadriceps muscle and tendon injuries significantly impair knee extensor function.
  • Injuries range from strains to complete ruptures and defects after cancer surgery.

Purpose of the Study:

  • To provide a comprehensive review of quadriceps injuries, focusing on anatomy, biomechanics, diagnosis, surgical management, and rehabilitation.
  • To analyze reconstructive techniques and functional outcomes for various quadriceps injuries.

Main Methods:

  • Narrative review of contemporary concepts and literature.
  • Analysis of surgical management options including transosseous sutures, suture anchors, V-Y lengthening, grafts, and free functional muscle transfer (FFMT).
  • Discussion of rehabilitation protocols and factors influencing functional recovery.

Main Results:

  • Most muscle injuries heal with conservative treatment; complete tendon ruptures require surgery.
  • Transosseous and anchor fixation techniques yield reliable outcomes for acute ruptures.
  • Chronic ruptures and large defects necessitate advanced reconstruction like FFMT, with various donor muscles available.
  • Preserving at least two quadriceps muscle heads improves functional recovery.
  • Rehabilitation varies, with early mobilization for repairs and prolonged care for FFMT.

Conclusions:

  • Optimal outcomes for quadriceps injuries depend on appropriate surgical techniques, individualized rehabilitation, and careful patient selection.
  • A multidisciplinary approach is crucial for managing these complex injuries.
  • Free functional muscle transfer is a vital strategy for large defects, particularly post-oncologic resection.