Front Knee Pain (Anterior)
Anterior knee pain is pain at the front of the knee including the patella or kneecap. If you are not sure what is causing your knee injury is why not try our symptom checker? The two most common causes of pain at the front of the kneecap are patellofemoral pain and patella tendinitis or Jumpers knee. Sometimes it can be difficult to tell the two apart and occasionally they can occur simultaneusly. Here we outline the causes of pain at the front of the knee as well as important conditions which can be missed.
Patellofemoral Pain Syndrome (PFPS) also known as runners knee, chondromalacia patellae, anterior knee pain and patellofemoral joint syndrome is a generic term used to describe patella pain at the front of the knee.
Jumpers knee or patellar tendonitis is an overuse injury that results in pain at the front of the knee, localised at a point towards the bottom of the kneecap. Repetitive strain from too much running or jumping causes inflammation or degeneration of the patella tendon.
Osgood Schlatter disease or Osgood Schlatter lesion is a very common cause of knee pain in children between the ages of 10 and 15 years old. It was named after two physicians in 1903, Dr. Robert Osgood and Dr. Carl Schlatter.
Sinding-Larsen-Johansson Lesion or syndrome is one of a group of injuries known as osteochondroses which cause knee pain in children. Other similar injuries include Osgood's Schlatter Disease. It is a chronic stress injury to the bottom of the kneecap.
Chondromalacia patella (CMP) involves damage to the articular cartilage which is the smooth hard cartilage under the kneecap.
Housemaids Knee also known as prepatellar bursitis or knee bursitis is a swelling of the bursa or small sack of fluid at the front of the knee.
Patellofemoral instability usually involves the patient having a sensation of their kneecap 'slipping away' or feeling loose on movement of the knee.
Overuse can cause pain and inflammation of the quadriceps tendon as it inserts into the top of the kneecap. Over time this can lead to degeneration of the tendon.
A bursa is a small sac of fluid who's function is to lubricate the movement between tendons and bone. There are a number of them around the knee which can become painful and inflamed.
The infrapatella fat pad is also sometimes known as Hoffa's pad. It is a soft tissue that lies beneath the kneecap which can get impinged causing knee pain.
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Aching knee / Audible snap in the knee / Bruising / Burning pain / Gradual onset knee pain / Impact to the knee / Instability / Knee joint pain / Pain when kneeling / Pain running / Pain sitting / Kneecap pain / Localized swelling / Rapid onset swelling / Swollen knee / Twisted knee /