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What is prepatellar bursitis?

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A bursa is a small, fluid-filled sac. It eases friction between bones and soft tissue, like tendons. With prepatellar bursitis, the bursa in the front of your knee gets irritated and swells with extra fluid. That puts pressure on your knee that leads to pain.

SOURCES:

University of California, San Francisco: “Knee: Quadriceps and Patellar Tendon Rupture.”

OrthInfo: “Patellar (Kneecap) Fractures,” “Patellar Tendon Tear,” “Patellofemoral Pain Syndrome,” “Unstable Kneecap,” “Prepatellar Bursitis.”

Houston Methodist: “Patellar Tendonitis,” “Patellofemoral Pain Syndrome,” “Prepatellar Bursitis.”

Kid’s Health: “Jumper’s Knee.”

Mayo Clinic: “Patellar Tendonitis,” “Patellofemoral Pain Syndrome.”

National Institute of Arthritis and Musculoskeletal and Skin Diseases: “Knee Problems.”

Cleveland Clinic: “Knee Pain (Chondromalacia Patellae).”

Cedars-Sinai: “Chondromalacia.”

Harvard Medical School: “Chondromalacia.”

Reviewed by Tyler Wheeler on May 26, 2019

SOURCES:

University of California, San Francisco: “Knee: Quadriceps and Patellar Tendon Rupture.”

OrthInfo: “Patellar (Kneecap) Fractures,” “Patellar Tendon Tear,” “Patellofemoral Pain Syndrome,” “Unstable Kneecap,” “Prepatellar Bursitis.”

Houston Methodist: “Patellar Tendonitis,” “Patellofemoral Pain Syndrome,” “Prepatellar Bursitis.”

Kid’s Health: “Jumper’s Knee.”

Mayo Clinic: “Patellar Tendonitis,” “Patellofemoral Pain Syndrome.”

National Institute of Arthritis and Musculoskeletal and Skin Diseases: “Knee Problems.”

Cleveland Clinic: “Knee Pain (Chondromalacia Patellae).”

Cedars-Sinai: “Chondromalacia.”

Harvard Medical School: “Chondromalacia.”

Reviewed by Tyler Wheeler on May 26, 2019

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