(Jumper's Knee; Patellar Tendonitis; Patellar Tendonosis; Quadriceps Tendonitis; Infrapatellar Tendonopathy; Patellar Apicitis)
- Tendonitis—inflammation of the tendon
- Tendonosis—tiny tears in the tendon tissue with no significant inflammation
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- Intense running
- Frequent stops and starts
- Frequent impact to the knee
- Tendon weakness from certain diseases
- An increase in the frequency of training
- A sudden increase in the intensity of training
- Changing from one sport to another
- Training on a hard surface
- Repeated improper movements while training
- Muscle weakness or imbalance
- Involvement in basketball, soccer, volleyball, or running
- Pain and tenderness in the patellar tendon below the kneecap
- Pain or tightness in the knee when bending, squatting, or straightening the leg
- Discomfort in the knee when jumping, squating, or walking up stairs
- Rest—Activities will need to be restricted at first to reduce shock or vibrations to the knee. Normal activities will be gradually introduced as the injury heals.
- Ice—Ice therapy may help relieve swelling.
- Compression—Compression bandages can provide gentle pressure to help move fluids out of the area.
- Elevation—Keeping the affected area elevated can help fluids drain out or prevent fluids from building up.
- Avoid activities and sports that repeatedly stress the kneecaps, especially those that involve jumping.
- Perform quadriceps muscle stretching and strengthening exercises.
- Increase the frequency and intensity of your exercises gradually.
- Learn proper techniques for sports.
The American Orthopaedic Society for Sports Medicine http://www.sportsmed.org
OrthoInfo—American Academy of Orthopaedic Surgeons Ortho Info http://www.orthoinfo.org
Canadian Orthopaedic Association http://www.coa-aco.org
Canadian Orthopaedic Foundation http://www.canorth.org
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: http://www.niams.nih.gov/Health%5FInfo/Bursitis/default.asp#3%5F3. Updated June 2013. Accessed March 9, 2015.
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 website. Available at: http://www.ebscohost.com/dynamed. Updated July 18, 2014. Accessed March 9, 2015.
Patellar tendon knee tear. American Academy of Orthopaedic Surgeons Ortho Info website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00512. Updated August 2009. Accessed March 9, 2015.
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.
10/26/2010 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Massey T, Derry S, Moore R, McQuay H. Topical NSAIDs for acute pain in adults. Cochrane Database Syst Rev. 2010;(6):CD007402.
- Reviewer: Teresa Briedwell, PT, DPT, OCS
- Review Date: 03/2015 -
- Update Date: 04/29/2014 -
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
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