Arthritis & Rheumatism

Link found between kneecap shape and debilitating joint disease

The shape of a person's kneecap could be an indicator of whether they're more at risk of developing osteoarthritis, according to a new study from The Australian National University (ANU) published in Osteoarthritis and Cartilage.

Sports medicine & Kinesiology

Injuries that can keep Olympians from the gold

U.S. gymnast Simone Biles vowed to continue her quest for Olympic gold after injuring her calf in a qualifying round at the Paris games.

Knee

The knee joint joins the thigh with the leg and consists of two articulations: one between the fibula and tibia, and one between the femur and patella. It is the largest joint in the human body and is very complicated. The knee is a mobile trocho-ginglymus (i.e. a pivotal hinge joint), which permits flexion and extension as well as a slight medial and lateral rotation. Since in humans the knee supports nearly the whole weight of the body, it is vulnerable to both acute injury and the development of osteoarthritis.

It is often grouped into tibiofemoral and patellofemoral components. (The fibular collateral ligament is often considered with tibiofemoral components.)

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