A dislocated knee is an uncommon knee injury seen by orthopaedic physicians.
A knee dislocation typically happens after a traumatic fall, high-speed car injury or a severe sporting accident. Sometimes, a dislocated knee will go back (reduce) into place on its own or with assistance, but this is a very painful and […]
Arthritis in the knees is a debilitating condition that affects thousands of people every day.
Knee arthritis is any injury that involves damage to the cartilage on the end of the bones (the gristle that one sees on the end of a chicken bone is the cartilage). Once the cartilage in the knee […]
Spontaneous osteonecrosis of the knee used to be felt to be due to an idiopathic cause, which meant we just did not know what caused it. It was generally found in middle-age women and often there would be rapid development of osteoarthritis of the medial femoral condyle, often with an insufficiency fracture. […]
The common peroneal nerve is a branch off the sciatic nerve which mainly supplies sensation to the top of the foot, the outside of the leg, and the web space between the great toe and the 1st toe. It controls the ability for one to extend (lift up) the great […]
Lateral patellar dislocations are the second leading cause of traumatic knee hemarthroses, and recurrent patellar dislocations often require surgery. The medial knee structures responsible for stabilization of the patellofemoral joint are the medial patellofemoral ligament (MPFL), the medial patellotibial ligament (MPTL), and the medial patellomeniscal ligament (MPML). Although […]
The ends of the femur and tibia, the knee bones, are capped with a gristle which is called cartilage. Cartilage is a remarkable organ because it can withstand a significant amount of impact and shear-type activities over time.
An articular cartilage injury, or chondral injury, may occur as a result of […]
Irritation and entrapment of the common peroneal nerve where it crosses the fibular head can be due to scar tissue, trauma, or other causes. One of the first things to do in the assessment of possible common peroneal nerve entrapment is to verify that the irritation in the common peroneal nerve at […]
Tendinitis, or tendinopathy, involves a breakdown of the normal architecture of the tendons around the knee. Most commonly, this is due to overuse, obesity or joint malalignment. The more common forms of knee tendinitis include patellar tendinitis, quadriceps tendinitis, popliteal tendon tendinitis and tendonitis of other structures.
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Snapping hamstrings are a rare condition, but they can cause significant disability in patients who have this pathology.
Lateral, or biceps, snapping hamstrings are usually due to a presumed genetic or injured state where the direct arms of the long and short heads of the biceps no longer attach to the posterolateral aspect […]
Runners knee refers to a junk-basket term of multiple pathologies that can cause knee pain. Most commonly they are due to an overuse-type problem, whereby a few of the hamstrings become too tight or a quadriceps becomes weak and the tissues around the knee become irritated. This can also include overuse-type syndromes, […]
