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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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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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Blood and Nerve Supply to the Bones01:29

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Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
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Updated: Nov 20, 2025

Author Spotlight: Fu's Subcutaneous Needling for Knee Osteoarthritis Pain
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About a knee pain.

Dhia Kaffel, Wafa Hamdi, Kaouther Maatallah

    La Tunisie Medicale
    |January 22, 2021
    PubMed
    Summary
    This summary is machine-generated.

    A 28-year-old female experienced knee pain after mammoplasty. X-rays revealed potential mechanical issues in the knee and pelvic joints requiring diagnosis.

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    Area of Science:

    • Orthopedics
    • Radiology
    • Biomechanical Engineering

    Background:

    • A 28-year-old female patient presented with mechanical knee pain following a mammoplasty procedure.
    • The patient's height is 1.77 meters.

    Observation:

    • Pelvic and bilateral knee X-rays were obtained for diagnostic evaluation.
    • The images provide visual data on the skeletal structures of the lower extremities and pelvis.

    Findings:

    • Radiographic findings suggestive of mechanical knee pain are under review.
    • Potential correlations between the mammoplasty and subsequent knee pain are being investigated.

    Implications:

    • Accurate diagnosis is crucial for effective treatment of mechanical knee pain.
    • Understanding the etiology may inform future surgical or therapeutic interventions.