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Related Concept Videos

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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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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Muscles that Move the Leg01:23

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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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Author Spotlight: Double Posteromedial Approach for Treating Posterior Cruciate Ligament Cysts
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[Posterior meniscus root tears].

Maurice Balke1, Sebastian Metzlaff2, Svea Faber3

  • 1Sportsclinic Cologne, Universität Witten/Herdecke, Ostmerheimer Str. 200, 51109, Köln, Deutschland. balke@sporttrauma-koeln.de.

Der Orthopade
|November 12, 2021
PubMed
Summary
This summary is machine-generated.

Meniscus root tears, particularly in the medial meniscus, can lead to significant joint pressure increases. Arthroscopic transosseous refixation is a key treatment for these biomechanically relevant injuries.

Keywords:
ArthroscopyFibrocartilageKneeObesityOsteonecrosis

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Area of Science:

  • Orthopedic surgery
  • Sports medicine
  • Biomechanics

Background:

  • Meniscus root tears are radial tears at the posterior insertion zones.
  • Medial root tears often affect individuals over 50, linked to obesity and varus deformities, causing meniscus extrusion and increased joint pressure.
  • Lateral meniscus root tears typically occur in younger patients with anterior cruciate ligament (ACL) ruptures.

Purpose of the Study:

  • To analyze the biomechanical relevance and treatment indications for medial and lateral meniscus root tears.
  • To highlight the implications of meniscus root lesions on joint mechanics and treatment strategies.

Main Methods:

  • Review of biomechanical principles related to meniscus root integrity.
  • Analysis of clinical factors influencing treatment decisions for meniscus root tears.
  • Evaluation of arthroscopic transosseous refixation techniques for medial and lateral meniscus root lesions.

Main Results:

  • Medial root lesions result in loss of meniscal ring tension, leading to extrusion and joint pressure increases comparable to meniscectomy.
  • Treatment considerations for medial root lesions include cartilage damage, osteoarthritis, obesity, and varus deformity.
  • Arthroscopic transosseous refixation is recommended for lateral meniscus root tears (Type I and II) in conjunction with ACL reconstruction.

Conclusions:

  • Both medial and lateral meniscus root tears are injuries with significant biomechanical consequences.
  • Treatment strategies must consider patient-specific factors and injury patterns.
  • Arthroscopic refixation is a viable surgical option for specific meniscus root tear types.