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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...
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...
Muscles of the Leg that Move the Foot and Toes01:28

Muscles of the Leg that Move the Foot and Toes

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.
Anterior Compartment
The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles.

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Related Experiment Video

Updated: Jun 6, 2026

Evaluation of Stem Cell Therapies in a Bilateral Patellar Tendon Injury Model in Rats
09:31

Evaluation of Stem Cell Therapies in a Bilateral Patellar Tendon Injury Model in Rats

Published on: March 30, 2018

[Quadriceps and patellar tendon ruptures].

C Grim1, O Lorbach, M Engelhardt

  • 1Klinik für Orthopädie, Unfall- und Handchirurgie, Klinikum Osnabrück, Am Finkenhügel 1, 49076 Osnabrück. casper.grim@klinikum-os.de

Der Orthopade
|November 25, 2010
PubMed
Summary
This summary is machine-generated.

Quadriceps and patellar tendon ruptures require prompt diagnosis and surgical repair for optimal outcomes. Various surgical techniques, including suture repair and graft augmentation, promote early functional recovery and generally yield good clinical results.

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Harvesting of Peroneus Longus Tendon Autograft
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Harvesting of Peroneus Longus Tendon Autograft

Published on: September 2, 2025

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Last Updated: Jun 6, 2026

Evaluation of Stem Cell Therapies in a Bilateral Patellar Tendon Injury Model in Rats
09:31

Evaluation of Stem Cell Therapies in a Bilateral Patellar Tendon Injury Model in Rats

Published on: March 30, 2018

Harvesting of Peroneus Longus Tendon Autograft
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Harvesting of Peroneus Longus Tendon Autograft

Published on: September 2, 2025

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Musculoskeletal Research

Context:

  • Quadriceps and patellar tendon ruptures are infrequent yet significant injuries.
  • Timely diagnosis and surgical intervention are crucial for successful patient recovery.

Purpose:

  • To review current surgical repair methods for quadriceps and patellar tendon ruptures.
  • To discuss techniques for achieving stable suture constructions and functional postoperative treatment.

Summary:

  • Standard repairs involve transpatellar tunnels with options for cerclage wire or PDS cord reinforcement.
  • Secondary repairs may utilize autologous semitendinosus grafts, while chronic defects benefit from V-shaped tendon flaps.
  • All discussed methods aim for early functional postoperative management.

Impact:

  • Effective surgical management leads to favorable clinical outcomes in patients with quadriceps and patellar tendon ruptures.
  • Understanding these repair techniques is vital for orthopedic surgeons managing these injuries.