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The patella (pl.: patellae or patellas), also known as the kneecap, is a flat, rounded triangular bone which articulates with the femur (thigh bone) and covers and protects the anterior articular surface of the knee joint.
It is thin in front and at the side, and contains the patella, ligaments, menisci, and bursae of the knee. [1] The capsule consists of an inner synovial membrane , and an outer fibrous membrane separated by fatty deposits anteriorly and posteriorly.
The knee is a modified hinge joint, a type of synovial joint, which is composed of three functional compartments: the patellofemoral articulation, consisting of the patella, or "kneecap", and the patellar groove on the front of the femur through which it slides; and the medial and lateral tibiofemoral articulations linking the femur, or thigh bone, with the tibia, the main bone of the lower ...
Attenuated patella alta is an extremely rare condition affecting mobility and leg strength. It is characterized by an unusually small knee cap that develops out of and above the joint.
Often, these bones form in response to strain, [4] or can be present as a normal variant. The patella is the largest sesamoid bone in the body. Sesamoids act like pulleys , providing a smooth surface for tendons to slide over, increasing the tendon's ability to transmit muscular forces .
DETROIT — Three years to the day since Dan Campbell stood behind a lectern talking about how his Detroit team would be “biting kneecaps,” Lions fans stood in the corner of Ford Field and ...
A patellar dislocation is a knee injury in which the patella (kneecap) slips out of its normal position. [5] Often the knee is partly bent, painful and swollen. [1] [2] The patella is also often felt and seen out of place. [1]
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