Category Archives: Conditions

Patella Fracture (Broken Knee Cap)

Patella Fracture (Broken Knee Cap) Overview This condition is a crack or fracture of the patella, the bone on the front of the knee that covers the knee joint. The patella helps to protect the joint as well as provide strength and stability. Causes The most common causes of a patella fracture are falls or […]

Patella Tendon Rupture

Patella Tendon Rupture Overview This condition occurs when the tendon that holds the patella, (the knee cap), to the tibia tears and splits apart, allowing the patella to slide upward. This causes pain and an inability to straighten the knee. Causes A patella tendon rupture is usually caused by direct trauma to the front of […]

Patellar Tracking Disorder

Patellar Tracking Disorder Overview This is a problem with the alignment of the patella (the bone at the front of the knee, commonly called the “kneecap”). With this disorder, the patella shifts out of its normal track as you bend or extend your knee. Causes Patellar misalignment can be caused by structural problems with the […]

Prepatellar Bursitis (Kneecap Bursitis)

Prepatellar Bursitis (Kneecap Bursitis) Overview This condition is an inflammation of the prepatellar bursa, a fluid-filled sac that covers the front of the kneecap. Prepatellar bursitis results in pain and swelling at the front of the knee. Causes This condition is commonly caused by repetitive or prolonged strain on the prepatellar bursa. Roofers, plumbers, carpet […]

Quadriceps Tendon Tear

Quadriceps Tendon Tear Overview This condition is a tear of the tendon that connects the patella to the quadriceps muscles of the thigh. The quadriceps muscle is used to straighten the leg from the bent position. A complete rupture of the quadriceps tendon is a disabling injury. Causes This type of injury is often caused […]

Anatomy of the Knee

Anatomy of the Knee Overview The knee is the body’s largest joint. It’s the place where three bones meet: the tibia, the femur and the patella. The knee is a “hinge” joint. It allows the leg to bend in one direction only. Let’s take a closer look at the main parts of the knee’s anatomy. […]

Septic Arthritis of the Knee

Septic Arthritis of the Knee Overview This condition occurs when harmful bacteria infect the knee joint, causing pain and swelling, and damaging the healthy tissues in the joint. Any joint in the body can become infected, but the knee is the most common. Causes Septic arthritis can be caused by an infection anywhere in the […]

Shin Splints (Medial Tibial Stress Syndrome)

Shin Splints (Medial Tibial Stress Syndrome) Overview This is pain you feel in the front of one or both of your lower legs. It can be a problem for runners, dancers, gymnasts and other active people. Causes Shin splints is an overuse problem. It can develop when you increase your activity level or change your […]

Avascular Necrosis (Osteonecrosis) of the Knee

Avascular Necrosis (Osteonecrosis) of the Knee Overview This condition occurs when a bone’s normal blood supply is disrupted. The affected bone cells die and the dead bone weakens. The bone may begin to fracture and collapse, leading to arthritis. Spontaneous Osteonecrosis of the Knee There are two distinct types of this condition. One type, called […]