Infrapatellar bursitis is

inflammation Inflammation (from la, wikt:en:inflammatio#Latin, inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or Irritation, irritants, and is a protective response involving im ...

of the superficial or deep infrapatellar

bursa ( grc-gre, Προῦσα, Proûsa, Latin: Prusa, ota, بورسه, Arabic:بورصة) is a city in northwestern Turkey and the administrative center of Bursa Province. The fourth-most populous city in Turkey and second-most populous in the ...

. Symptoms may include

knee pain Knee pain is pain in or around the knee. The knee joint consists of an articulation between four bones: the femur, tibia, fibula and patella. There are four compartments to the knee. These are the medial and lateral tibiofemoral compartments, the ...

, swelling, and redness just below the

kneecap The patella, 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. The patella is found in many tetrapods, such as m ...

. It may be complicated by

patellar tendonitis Patellar tendinitis, also known as jumper's knee, is an overuse injury of the tendon that straightens the knee. Symptoms include pain in the front of the knee. Typically the pain and tenderness is at the lower part of the kneecap, though the uppe ...

. Risk factors include kneeling or crawling. It may also be brought on by frequent bending of the knees while standing, squatting, running, or jumping. Diagnosis is generally based on symptom and

physical examination In a physical examination, medical examination, or clinical examination, a medical practitioner examines a patient for any possible medical signs or symptoms of a medical condition. It generally consists of a series of questions about the patien ...

. When the deep bursa is involved, bending the knee generally increases the pain. Other conditions that may appear similar include patellar tendonitis and

prepatellar bursitis Prepatellar bursitis is an inflammation of the prepatellar bursa at the front of the knee. It is marked by swelling at the knee, which can be tender to the touch and which generally does not restrict the knee's range of motion. It can be extreme ...

. Treatment is generally by rest, alternating between ice and heat, and NSAIDs. Infrapatellar bursitis is relatively rare. It has also been called

vicar A vicar (; Latin: ''vicarius'') is a representative, deputy or substitute; anyone acting "in the person of" or agent for a superior (compare "vicarious" in the sense of "at second hand"). Linguistically, ''vicar'' is cognate with the English pref ...

's knee and clergyman's knee.

References

Occupational diseases Overuse injuries Soft tissue disorders Knee injuries and disorders {{musculoskeletal-disease-stub