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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 ...
Patellofemoral pain syndrome (PFPS; not to be confused with jumper's knee) is knee pain as a result of problems between the kneecap and the femur. [4] The pain is generally in the front of the knee and comes on gradually. [2] [4] Pain may worsen with sitting down with a bent knee for long periods of time, excessive use, or climbing and ...
Cruciate ligaments occur in the knee of humans and other bipedal animals and the corresponding stifle of quadrupedal animals, and in the neck, fingers, and foot. The cruciate ligaments of the knee are the anterior cruciate ligament (ACL) and the posterior cruciate ligament (PCL). These ligaments are two strong, rounded bands that extend from ...
The replacement of the meniscus permits the arthritic patient to have improved pain relief and knee joint function as well as delay or avoid the time for artificial joint replacement. In a 2 to 7 year follow-up study, 89.4% of meniscus transplantation patients were successful, having shown significant signs of improvement in pain, activity, and ...
Hugh Herr climbs the wall at the MIT Media Lab's h2.0 symposium on May 9, 2007, watched by fellow bilateral amputee Aimee Mullins. While a postdoctoral fellow at MIT in biomedical devices, Herr began working on advanced leg prostheses and orthoses, devices that emulate the functionality of the human leg. [1]
He is a past president of the American Academy of Podiatric Sports Medicine, and a former Clinical Professor of Biomechanics at the California School of Podiatric Medicine. Along with Drs. Richard Schuster and Steven Subotnick , Dr. Hlavac is considered to be a pioneer in the modern use of podiatric clinical biomechanics for the management of ...
A recent study from Germany, published in the November 2008 issue of the American Journal of Sports Medicine, analyzed 349 ACI procedures of the knee joint. Three different ACI techniques were used. A major proportion of complications after ACI can be summarized by 4 major diagnoses: symptomatic hypertrophy, disturbed fusion, delamination, and ...
Biarticular muscles are muscles that cross two joints rather than just one, such as the hamstrings which cross both the hip and the knee. The function of these muscles is complex and often depends upon both their anatomy and the activity of other muscles at the joints in question. Their role in movement is poorly understood.