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Knee Joint01:23

Knee Joint

3.6K
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...
3.6K
Muscles that Move the Leg01:23

Muscles that Move the Leg

6.0K
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...
6.0K
Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

9.0K
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...
9.0K
Ankle Joint01:10

Ankle Joint

3.4K
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...
3.4K

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Related Experiment Video

Updated: Mar 17, 2026

Author Spotlight: Implementing the Enhanced Recovery After Surgery Concept in Rehabilitation Following Anterior Cruciate Ligament Reconstruction
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Author Spotlight: Implementing the Enhanced Recovery After Surgery Concept in Rehabilitation Following Anterior Cruciate Ligament Reconstruction

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Bracing the Unstable Knee.

J Stuller

    The Physician and Sportsmedicine
    |July 17, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Athletes with knee ligament injuries face difficult choices regarding bracing. Understanding new functional knee braces is crucial for informed decisions by physicians and patients.

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    Area of Science:

    • Orthopedic medicine
    • Sports medicine
    • Biomechanical engineering

    Background:

    • Knee ligament damage frequently sidelines athletes.
    • Traditional bracing options may be insufficient.
    • New functional braces offer potential solutions.

    Purpose of the Study:

    • To inform physicians and patients about available functional knee braces.
    • To guide the selection process for appropriate knee support.

    Main Methods:

    • Review of current functional knee brace technologies.
    • Analysis of brace features and intended use.

    Main Results:

    • A variety of new functional knee braces are available.
    • Each brace type offers distinct support mechanisms.

    Conclusions:

    • Informed decision-making requires understanding functional knee brace options.
    • Physicians and patients should collaborate to select the best brace.