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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.
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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
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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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Somatic sensory or somatosensory pathways refer to the neural pathways that carry information related to touch, pressure, pain, temperature, and proprioception from the skin, muscles, tendons, and joints to the brain. These pathways involve several stages of processing and integration of sensory information.
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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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Structural Joints: Synovial Joints01:16

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Synovial joints are the most common type of joint in the body. A key structural characteristic for a synovial joint is the presence of a joint cavity. This fluid-filled space is where the articulating surfaces of the bones contact each other. Also, unlike fibrous or cartilaginous joints, the articulating bone surfaces at a synovial joint are not directly connected to each other with fibrous connective tissue or cartilage. This gives the bones of a synovial joint the ability to move smoothly...
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Overview of Innervation of Knee Joint.

John Tran1, Philip W H Peng2, Vincent W S Chan2

  • 1Division of Anatomy, Department of Surgery, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Room 1158, Toronto, Ontario M5S 1A8, Canada.

Physical Medicine and Rehabilitation Clinics of North America
|October 1, 2021
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Understanding knee joint innervation is key for effective pain management using image-guided nerve blocks and radiofrequency ablation. Targeting multiple sites may improve success rates for these procedures.

Keywords:
AnatomyDenervationInnervationKnee joint

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Area of Science:

  • Anatomy
  • Pain Management
  • Interventional Radiology

Background:

  • Image-guided diagnostic blocks and radiofrequency ablation are crucial for managing knee joint pain.
  • Accurate targeting of nerves relies on a thorough understanding of knee joint innervation.
  • Variations in nerve pathways can affect procedural success.

Purpose of the Study:

  • To detail the origin, course, and anatomical relationships of articular nerves supplying the knee joint.
  • To provide a comprehensive overview of knee joint innervation for clinicians.
  • To identify potential strategies for improving nerve targeting in procedures.

Main Methods:

  • Review of anatomical literature on knee joint innervation.
  • Discussion of the relationship between articular nerves and soft tissue/bony landmarks.
  • Analysis of innervation patterns for anterior and posterior knee joint capsules.

Main Results:

  • The innervation pattern of the knee joint capsule is generally consistent.
  • Variations exist in the supply from the saphenous, anterior obturator, and common fibular nerves.
  • Specific nerve pathways and their relation to anatomical landmarks are elucidated.

Conclusions:

  • Detailed knowledge of knee joint innervation is essential for image-guided pain management procedures.
  • Consistent innervation patterns exist, but variations require consideration.
  • Employing multiple target sites may enhance nerve capture rates for diagnostic blocks and radiofrequency ablation.