(Jumper's Knee; Patellar Tendonitis; Patellar Tendinosis; Quadriceps Tendonitis; Infrapatellar Tendinopathy; Patellar Apicitis)
by Cynthia M. Johnson, MA
The patellar tendon connects the kneecap to the lower leg bone. Tendinopathy is an injury to the tendon. It can cause pain, swelling, and limited movement. The injury can include:
Treatment depends on the severity of the injury.
Tendinopathy is generally caused by overuse of a muscle-tendon unit. Over time, the strain on the tendon causes structural changes within the tendon.
Patellar tendinopathy occurs from overuse of the patellar tendon. Overuse may be caused by any activity that requires:
Risk Factors TOP
Physically active teenagers and young adults are at higher risk. Factors that increase your chance of developing patellar tendinopathy include:
Symptoms may include:
You will be asked about your symptoms and medical history. A physical exam will be done.
Images may be taken. This can be done with:
Talk with your doctor about the best treatment plan for you. Treatment will depend on the severity of the injury. Options include:
Your knee will need time to heal. RICE is often the main part of treatment:
A strap called a counterforce brace may be advised to help support the tendon and reduce pain.
Over-the-counter or prescription medications may be advised to reduce pain. Cortisone injections may also be used if other treatments do not reduce inflammation.
A physical therapist will assess the knee. An exercise program will be created to help recovery and to strengthen the muscle.
You may need surgery if you have advanced damage to the tendon. Your doctor may also recommend surgery if you have not responded to other treatment methods over a period of several months.
To reduce your chances of getting patellar tendinopathy, take these steps:
The American Orthopaedic Society for Sports Medicine
OrthoInfo—American Academy of Orthopaedic Surgeons Ortho Info
Canadian Orthopaedic Association
Canadian Orthopaedic Foundation
Aronen JG, Garrick JG. Sports-induced inflammation in the lower extremities. Hosp Pract. 1999;34:51.
Bursitis and tendinitis. National Institute of Arthritis and Musculoskeletal and Skin Diseases website. Available at:
...(Click grey area to select URL)
Accessed March 27, 2018.
Derry S, Moore RA, Gaskell H, McIntyre M, Wiffen PJ. Topical NSAIDs for acute musculoskeletal pain in adults. Cochrane Database Syst Rev 2015;(6):CD007402.
Massey T, Derry S, Moore R, McQuay H. Topical NSAIDs for acute pain in adults. Cochrane Database Syst Rev. 2010;(6):CD007402.
O'Connor FG, Howard TM, Fieseler CM, Nirschl RP. Managing overuse injuries: a systematic approach. Phys Sportsmed. 1997 May;25(5).
Patellar tendinopathy. EBSCO DynaMed Plus website. Available at: http://www.dynamed.... Updated December 22, 2015. Accessed March 27, 2018.
Patellar tendon knee tear. American Academy of Orthopaedic Surgeons Ortho Info website. Available at:
...(Click grey area to select URL)
Updated February 2016. Accessed March 27, 2018.
Post WR. Patellofemoral pain: let the physical exam define treatment. Phys Sportsmed.1998;26(1).
Steunebrink M, Zwerver J, Brandsema R, Groenenboom P, Akker-Scheek Iv, Weir A. Topical glyceryl trinitrate treatment of chronic patellar tendinopathy: a randomised, double-blind, placebo-controlled clinical trial. Br J Sports Med. 2013 Jan;47(1):34-9.
Last reviewed March 2018 by EBSCO Medical Review Board Teresa Briedwell, PT, DPT
Last Updated: 4/29/2014
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