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[5] [6] [14] The historic quantified definition of grades I, II, and III represented 0–5 mm, 5–10 mm, and >10 mm of medial compartment gapping, respectively. [15] LaPrade et al. reported, however, that a simulated grade III sMCL injury showed only 3.2 mm of increased medial compartment gapping compared to the intact state. [ 15 ]
The knee joint contains two crescent-shaped fibrocartilaginous structures, the menisci (medial and lateral), which serve as shock absorbers and stabilize the joint during movement. Each meniscus has an outer vascular zone (red-red zone), which has a good blood supply and healing potential as well as a central avascular zone (white-white zone ...
The components of each of these compartments can experience repetitive strain, injury or disease. [1] Running long distance can cause pain to the knee joint, as it is a high-impact exercise. [2] The location and severity of knee pain may vary, depending on the cause of the problem. Signs and symptoms that sometimes accompany knee pain include: [1]
[7] [unreliable source?] More chronic injury occurs with osteoarthritis, made worse by obesity and high-impact activity. The medial meniscus and the medial compartment are more commonly affected than the lateral compartment. Often, moderate to severe injury or injury past early middle age to the meniscus will indicate a total knee replacement.
A soft tissue injury is the damage of muscles, ligaments and tendons throughout the body. Common soft tissue injuries usually occur from a sprain, strain, a one-off blow resulting in a contusion or overuse of a particular part of the body. Soft tissue injuries can result in pain, swelling, bruising and loss of function. [1]
A tear of a meniscus is a rupturing of one or more of the fibrocartilage strips in the knee called menisci. When doctors and patients refer to "torn cartilage" in the knee, they actually may be referring to an injury to a meniscus at the top of one of the tibiae. Menisci can be torn during innocuous activities such as walking or squatting.
Contusions of both surfaces of the knee joint are known as kissing contusions. These contusions are generally found by magnetic resonance imaging and most cases are associated with ligamentous or meniscal injuries. [1]
A forceful medial blow to the knee can cause collateral ligament injury. A reduction in range of motion and pain are symptoms of collateral ligament injury. Meniscus injuries: acute or repeated injury to the meniscus – the shock absorber of the knee – causes meniscus injuries. A person with meniscus injuries experiences difficulty squatting ...