232 results match your criteria Jumper's Knee


Rethinking Patellar Tendinopathy and Partial Patellar Tendon Tears: A Novel Classification System.

Am J Sports Med 2020 02 8;48(2):359-369. Epub 2020 Jan 8.

Center for Shoulder, Elbow and Sports Medicine, Columbia University, New York, New York, USA.

Background: Patellar tendinopathy is an overuse injury of the patellar tendon frequently affecting athletes involved in jumping sports. The tendinopathy may progress to partial patellar tendon tears (PPTTs). Current classifications of patellar tendinopathy are based on symptoms and do not provide satisfactory evidence-based treatment guidelines. Read More

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http://dx.doi.org/10.1177/0363546519894333DOI Listing
February 2020

Surgical Technique for Chronic Proximal Patellar Tendinopathy (Jumper's Knee).

Arthrosc Tech 2019 Nov 13;8(11):e1389-e1394. Epub 2019 Nov 13.

Hospital São Vicente de Paulo, Rio de Janeiro, Brazil.

Chronic proximal patellar tendinopathy is a challenging condition for its troublesome management in the active patient and difficulty in defining the failure of conservative treatment to indicate surgery. Usually, patients with chronic proximal patellar tendinopathy have already tried several physiotherapeutic modalities and are away from their preferred physical activities for variable periods. The current literature presents some open and even arthroscopic options for treating recalcitrant patellar tendinopathy using a variable magnitude of resources and costs. Read More

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http://dx.doi.org/10.1016/j.eats.2019.07.013DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6926302PMC
November 2019

Low prevalence of patellar tendon abnormality and low incidence of patellar tendinopathy in female collegiate volleyball players.

Res Sports Med 2020 Apr-Jun;28(2):155-167. Epub 2019 Oct 30.

School of Physical Therapy, George Fox University, Newberg, OR, USA.

The prevalence of patellar tendinopathy has been reported to be as high as 50% in elite male volleyball (VB) players; however, the rate of injury in female collegiate VB athletes is unknown. The purpose of this study was to 1) identify the prevalence of ultrasonographic evidence of patellar tendon abnormality at the start of the preseason in female collegiate VB players; 2) report the incidence of tendinopathy during the season; and 3) determine if the preseason presence of tendon abnormality is associated with onset of disease. One hundred and six female collegiate VB players had both patellar tendons imaged. Read More

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http://dx.doi.org/10.1080/15438627.2019.1683559DOI Listing
October 2019
1 Read

Don't forget the jumper's knee in the young sportsman: evaluation of patellar tendinopathy with a high frequency ultrasound probe.

Reumatismo 2019 Oct 24;71(3):160-162. Epub 2019 Oct 24.

Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine (Di.M.I.), Polyclinic Hospital San Martino, University of Genova, Italy; Cardinal Ferrari Centre, S. Stefano Rehabilitation, Fontanellato (PR).

Patellar tendinopathy, or Jumper's knee, is a painful knee condition caused by inflammation of the patella tendon. This condition is most frequently observed in subjects who play sports that require repetitive regular jumping. Jumper's knee is frequently misdiagnosed as a minor injury and many athletes, like our patient, keep on training and competing and either tend to ignore the injury or attempt to treat it themselves. Read More

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http://dx.doi.org/10.4081/reumatismo.2019.1231DOI Listing
October 2019
1 Read

Surgery for patellar tendinopathy (jumper's knee).

Cochrane Database Syst Rev 2019 09 23;9:CD013034. Epub 2019 Sep 23.

University of New South Wales, Liverpool, Australia.

Background: Patellar tendinopathy is an overuse condition that commonly affects athletes. Surgery is usually offered if medical and physical therapies fail to treat it effectively. There is variation in the type of surgery performed for the condition. Read More

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http://dx.doi.org/10.1002/14651858.CD013034.pub2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6756823PMC
September 2019
1 Read

Injection therapies for patellar tendinopathy.

Authors:
Shibili Nuhmani

Phys Sportsmed 2020 05 25;48(2):125-130. Epub 2019 Sep 25.

Department of Physical Therapy, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.

Patellar tendinopathy, or jumper's knee is a common musculoskeletal condition characterized by progressive activity-related pain on the anterior aspect of the knee and tenderness on the patellar tendon. A conservative method is often the first choice of treatment, which can include anti-inflammatory medication, injection therapies, physiotherapy, eccentric exercises, extra corporeal shock wave therapy, orthosis, etc. Although there are several treatment options available, the management of patellar tendinopathy is still controversial. Read More

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http://dx.doi.org/10.1080/00913847.2019.1671143DOI Listing
May 2020
1 Read

Internal and External Workload in Youth Basketball Players Who Are Symptomatic and Asymptomatic for Patellar Tendinopathy.

J Orthop Sports Phys Ther 2020 Jul 6;50(7):402-408. Epub 2019 Sep 6.

Objective: To examine the differences in external and internal workload in players with and without patellar tendinopathy.

Design: Nested case-control study.

Methods: Workload was monitored in 152 players (aged 13-18 years) for a 1-week period, including all practices, games, and conditioning sessions. Read More

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http://dx.doi.org/10.2519/jospt.2020.9094DOI Listing
July 2020
1 Read

Distinguishing Quadriceps Tendinopathy and Patellar Tendinopathy: Semantics or Significant?

J Orthop Sports Phys Ther 2019 09;49(9):627-630

Jumper's knee is not synonymous with patellar tendinopathy. The term includes patellar tendinopathy and quadriceps tendinopathy. Although the patellar and quadriceps tendons work in tandem as part of the extensor mechanism of the knee, they have distinct anatomy and functional roles. Read More

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http://dx.doi.org/10.2519/jospt.2019.0611DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6746230PMC
September 2019
1 Read

Prevalence of Patellar Tendinopathy and Patellar Tendon Abnormality in Male Collegiate Basketball Players: A Cross-Sectional Study.

J Athl Train 2019 Sep 19;54(9):953-958. Epub 2019 Aug 19.

School of Physical Therapy, George Fox University, Newberg, OR.

Context: Patellar tendinopathy (PT) is a degenerative condition known to affect athletes who participate in sports such as basketball and volleyball. Patellar tendinopathy is a challenging condition to treat and may cause an athlete to prematurely retire from sport. The prevalence of PT in male collegiate basketball players is unknown. Read More

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http://natajournals.org/doi/10.4085/1062-6050-70-18
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http://dx.doi.org/10.4085/1062-6050-70-18DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6795094PMC
September 2019
3 Reads

Treatment of patella tendinopathy by distalising tibial tubercle osteotomy.

BMJ Case Rep 2019 Jul 1;12(7). Epub 2019 Jul 1.

Orthopaedics, Lingard Private Hospital, Merewether, New South Wales, Australia.

Patella tendinopathy condition is often resistant to conservative treatment. We report a case of patella tendinopathy treated by distalisation of the tibial tubercle with excellent long-term result. Read More

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http://dx.doi.org/10.1136/bcr-2019-229209DOI Listing
July 2019
3 Reads

Patellar tendon stress between two variations of the forward step lunge.

J Sport Health Sci 2019 May 19;8(3):235-241. Epub 2017 Jan 19.

Department of Kinesiology and Recreation, Illinois State University, Normal, IL 61761, USA.

Background: Patellar tendinopathy (PT) or "jumper's knee" is generally found in active populations that perform jumping activities. Graded exposure of patellar tendon stress through functional exercise has been demonstrated to be effective for the treatment of PT. However, no studies have compared how anterior knee displacement variations during the commonly performed forward step lunge (FSL) affect patellar tendon stress. Read More

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http://dx.doi.org/10.1016/j.jshs.2016.12.005DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6523035PMC
May 2019
8 Reads

Quadriceps tendinopathy: a review-part 1: epidemiology and diagnosis.

Ann Transl Med 2019 Feb;7(4):71

Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, USA.

Overuse injuries of the extensor mechanism of the knee are common in both athletes and non-athletes and usually occur during activities associated with repetitive loading, stress, and knee extension. Historically, they have been labeled as Jumper's knee due to the high prevalence seen in the athletic community. In many published reports, the name "patellar tendinopathy" is used to describe this disorder of the quadriceps tendon at the patellar insertion, and the names are often used interchangeably. Read More

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http://dx.doi.org/10.21037/atm.2019.01.58DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6409230PMC
February 2019
5 Reads

Patellar tendon structure responds to load over a 7-week preseason in elite male volleyball players.

Scand J Med Sci Sports 2019 Jul 14;29(7):992-999. Epub 2019 Apr 14.

Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.

The purpose of this study was to investigate the relation between external and internal load and the response of the patellar tendon structure assessed with ultrasound tissue characterization (UTC) in elite male volleyball players during preseason. Eighteen players were followed over 7 weeks, measuring four load parameters during every training and match: volume (minutes played), rating of perceived exertion (RPE) (ranging from 6 to 20), weekly load (RPE*volume), and jump frequency (number of jumps). Patellar tendon structure was measured biweekly using UTC, which quantifies tendon matrix stability resulting in four different echo types (I-IV). Read More

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http://dx.doi.org/10.1111/sms.13428DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6850050PMC
July 2019
6 Reads

Bilateral changes in tendon structure of patients diagnosed with unilateral insertional or midportion achilles tendinopathy or patellar tendinopathy.

Knee Surg Sports Traumatol Arthrosc 2020 May 1;28(5):1631-1638. Epub 2019 Apr 1.

Department of Sports and Exercise Medicine, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands.

Purpose: Changes in tendon structure are commonly seen in patients with unilateral achilles (AT) or patellar (PT) tendinopathy but might also be present on the asymptomatic side, indicating a higher risk for developing symptoms. The aim of this study is to compare tendon structure of the symptomatic side with the asymptomatic side in AT and PT patients and control subjects.

Methods: A total of 46 patients with unilateral AT (16 insertional and 30 midportion) and 38 with unilateral PT were included. Read More

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http://link.springer.com/10.1007/s00167-019-05495-2
Publisher Site
http://dx.doi.org/10.1007/s00167-019-05495-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7176591PMC
May 2020
25 Reads

Evaluation of Intrinsic Biomechanical Risk Factors in Patellar Tendinopathy: A Retrospective Radiographic Case-Control Series.

Orthop J Sports Med 2018 Dec 20;6(12):2325967118816038. Epub 2018 Dec 20.

Surgical and Orthopaedic Research Laboratories, Prince of Wales Clinical School, University of New South Wales, Prince of Wales Hospital, Sydney, Australia.

Background: Patellar tendinopathy is an overuse condition often affecting athletes. It has been postulated that patellar tendinopathy is associated with patella alta; however, this and any other anatomic risk factors have not been identified.

Purpose: To explore whether lever arm differences from radiographic measurements exist between patients with and without tendinopathy. Read More

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http://dx.doi.org/10.1177/2325967118816038DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6302276PMC
December 2018
29 Reads

Jumper's knee mechanical consequences in professional basketball players: the "Camel's Back curve".

Eur J Appl Physiol 2019 Mar 4;119(3):735-742. Epub 2019 Jan 4.

Physical Medicine and Rehabilitation Department, CHU Nantes, Hôpital Saint Jacques, 85 rue Saint Jacques, 44093, Nantes Cedex 03, France.

Purpose: Jumper's knee is characterized by an anterior knee pain during tendon palpation and can be classified in overuse pathologies, secondary to repetitive jumps. The prevalence is high in professional basketball players. It is responsible for an alteration of the motor control inducing a strength deficit of the quadriceps. Read More

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http://dx.doi.org/10.1007/s00421-018-04064-8DOI Listing
March 2019
26 Reads

Confirmatory factor analysis of VISA-P scale and measurement invariance across sexes in athletes with patellar tendinopathy.

J Sport Health Sci 2017 Sep 22;6(3):365-371. Epub 2016 Jan 22.

Department of Basic Psychology and Methodology, University of Murcia, Murcia 30100, Spain.

Background: The Victorian Institute of Sport Assessment-Patella (VISA-P) scale is the most condition-specific patient-reported outcome measure used to assess symptom severity in athletes with patellar tendinopathy. Previous exploratory factor analyses have been conducted to evaluate the scale's dimensionality, with inconsistent results, and the factor structure of the scale remains unclear. The aims of the present study were to determine the factorial structure of the VISA-P scale using confirmatory factor analysis (CFA) and test measurement invariance across sexes. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S20952546160002
Publisher Site
http://dx.doi.org/10.1016/j.jshs.2016.01.020DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6188995PMC
September 2017
39 Reads

Jumper's Knee: A Prospective Evaluation of Risk Factors in Volleyball Players Using a Novel Measure of Injury.

Clin J Sport Med 2018 Oct 19. Epub 2018 Oct 19.

Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada.

Objectives: To examine potential intrinsic risk factors that may contribute to the onset of jumper's knee in elite level-male volleyball players.

Design: Prospective Cohort Study.

Setting: Varsity and National team volleyball gymnasiums. Read More

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http://dx.doi.org/10.1097/JSM.0000000000000638DOI Listing
October 2018
20 Reads

Stress Relaxation and Targeted Nutrition to Treat Patellar Tendinopathy.

Authors:
Keith Baar

Int J Sport Nutr Exerc Metab 2019 07 1;29(4):453–457. Epub 2019 Jul 1.

1 University of California Davis.

Patellar tendinopathy is one of the most common afflictions in jumping sports. This case study outlines the rehabilitation of a professional basketball player diagnosed by magnetic resonance imaging (MRI) with a central core patellar tendinopathy within the proximal enthesis. The player undertook a nutrition and strength-based rehabilitation program combining gelatin ingestion and heavy isometric loading of the patellar tendon designed to produce significant stress relaxation as part of their competition schedule and a whole-body training plan. Read More

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https://journals.humankinetics.com/doi/10.1123/ijsnem.2018-0
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http://dx.doi.org/10.1123/ijsnem.2018-0231DOI Listing
July 2019
14 Reads

Effects of a strength protocol combined with electrical stimulation on patellar tendinopathy: 42 months retrospective follow-up on 6 high-level jumping athletes.

Phys Ther Sport 2018 Nov 18;34:105-112. Epub 2018 Sep 18.

Faculty of Physical Activity and Sport Science, Polytechnic University of Madrid, Spain.

Study Design: A retrospective study.

Introduction: Patellar tendinopathy (PT) or jumper's knee (JK) in elite athletes is a challenging condition for sports medicine professionals. This study analyzes the development of a protocol using eccentric, isometric, concentric exercises, and electrostimulation to treat elite athletes suffering from JK. Read More

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http://dx.doi.org/10.1016/j.ptsp.2018.09.005DOI Listing
November 2018
41 Reads

Ultrasound examination and patellar tendinopathy scores in asymptomatic college jumpers.

Phys Sportsmed 2018 11 5;46(4):477-484. Epub 2018 Sep 5.

b The Micheli Center for Sports Injury Prevention , Waltham , MA , USA.

Objective: To investigate the prevalence of hypoechoic areas by US and its' association with VISA-P scores among asymptomatic jumpers while highlighting sex comparisons.

Design: Cross-sectional study.

Setting: Pre-participation exam at a National Collegiate Athletic Association (NCAA) division I college. Read More

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http://dx.doi.org/10.1080/00913847.2018.1513756DOI Listing
November 2018
21 Reads

Immediate effect of infrapatellar strap on pain and jump height in patellar tendinopathy among young athletes.

Prosthet Orthot Int 2019 Feb 13;43(1):21-27. Epub 2018 Aug 13.

Department of Physical Therapy, Faculty of Social Welfare & Health Studies, University of Haifa, Haifa, Israel.

Background:: Infrapatellar strapping is a treatment technique used in various knee pathologies; however, its effect on pain and functional performance among young athletes has not been studied.

Objectives:: To evaluate the effect of infrapatellar strap on pain and jumping performance among young athletes diagnosed with patellar tendinopathy.

Study Design:: Pre-/post-test (within-subject research design). Read More

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http://dx.doi.org/10.1177/0309364618791619DOI Listing
February 2019
13 Reads

Biomechanics of the knee extensor mechanism and its relationship to patella tendinopathy: A review.

J Orthop Res 2018 12 5;36(12):3105-3112. Epub 2018 Sep 5.

Surgical and Orthopaedic Research Laboratory, Prince of Wales Clinical School University of New South Wales, Sydney 2052, Australia.

The term jumpers knee for patella tendinitis, as coined by Dr. Martin Blazina, is now commonly referred to as tendinopathy. He believed it was associated with patella alta. Read More

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http://dx.doi.org/10.1002/jor.24120DOI Listing
December 2018
9 Reads

High jump demands in professional volleyball-large variability exists between players and player positions.

Scand J Med Sci Sports 2018 Nov 18;28(11):2293-2298. Epub 2018 Jul 18.

Aspetar Orthopaedic, Sports Medicine Hospital, Doha, Qatar.

Training volume has been associated with jumper's knee in volleyball players, but jump variability among professionals has not been investigated and individual jump demands are unknown. The purpose of this study was to examine position-specific jump demands required for training and competition during a professional volleyball season and to investigate the individual variability associated with jump load. Jumps performed by 14 professional players during one season of training and competition were timestamped, individually assigned, and recorded for jump height. Read More

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http://dx.doi.org/10.1111/sms.13255DOI Listing
November 2018
21 Reads

Arthroscopic patellar release allows timely return to performance in professional and amateur athletes with chronic patellar tendinopathy.

Knee Surg Sports Traumatol Arthrosc 2018 Dec 27;26(12):3553-3559. Epub 2018 May 27.

Department of Orthopedics and Trauma Surgery, University Medical Center Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany.

Purpose: Return to sports rates in amateur and professional athletes with chronic patellar tendinopathy following arthroscopic patellar release are unpredictable. The present study aims to analyse the effectiveness of arthroscopic patellar release in professional compared to amateur athletes.

Methods: A total of 34 amateur and 20 professional athletes with chronic patellar tendinopathy, refractory to conservative treatment, were studied prospectively and underwent arthroscopic tendon release at the inferior patellar pole. Read More

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http://dx.doi.org/10.1007/s00167-018-4985-4DOI Listing
December 2018
13 Reads

Association of Hip and Foot Factors With Patellar Tendinopathy (Jumper's Knee) in Athletes.

J Orthop Sports Phys Ther 2018 09 23;48(9):676-684. Epub 2018 May 23.

Background Investigations on the causes of patellar tendinopathy should consider impairments at the hip and foot/ankle because they are known to influence movement patterns and affect patellar tendon loading. Objectives To investigate hip and foot/ankle impairments associated with patellar tendinopathy in volleyball and basketball athletes using classification and regression tree analysis. Methods In this clinical measurement, cross-sectional study, 192 athletes were assessed for impairments of the hip and foot/ankle, including shank-forefoot alignment, dorsiflexion range of motion (ROM), iliotibial band flexibility, passive hip internal rotation ROM, and hip external rotator and hip abductor isometric strength. Read More

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http://dx.doi.org/10.2519/jospt.2018.7426DOI Listing
September 2018
16 Reads

Diagnostic Accuracy of a Self-report Measure of Patellar Tendinopathy in Youth Basketball.

J Orthop Sports Phys Ther 2018 10 27;48(10):758-766. Epub 2018 Apr 27.

Background: To engage clinicians in diagnosing patellar tendinopathy in large surveillance studies is often impracticable. The Oslo Sports Trauma Research Centre-patellar tendinopathy (OSTRC-P) questionnaire, a self-report measure adapted from the OSTRC questionnaire, may provide a viable alternative.

Objectives: To evaluate the diagnostic accuracy of the OSTRC-P questionnaire in detecting patellar tendinopathy in youth basketball players when compared to clinical evaluation. Read More

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http://dx.doi.org/10.2519/jospt.2018.8088DOI Listing
October 2018
14 Reads

[Jumper's Knee].

Praxis (Bern 1994) 2018 Apr;107(9-10):513-519

1 Abteilung für Orthopädie, Universitätsklinik Balgrist, Zürich.

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http://dx.doi.org/10.1024/1661-8157/a002966DOI Listing
April 2018
10 Reads

Proximal patellar tendon pathology can develop during adolescence in young ballet dancers-A 2-year longitudinal study.

Scand J Med Sci Sports 2018 Sep 3;28(9):2035-2041. Epub 2018 May 3.

La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Vic., Australia.

Patellar tendinopathy (tendon pain and dysfunction), or jumper's knee, is prevalent in adult jumping athletes. Pathology in the proximal patellar tendon is a key risk factor for developing patellar tendinopathy. When pathology develops in the proximal patellar tendon is not known, although it is reported to exist in adolescent athletes. Read More

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http://dx.doi.org/10.1111/sms.13095DOI Listing
September 2018
7 Reads

Nonsurgical Treatments of Patellar Tendinopathy: Multiple Injections of Platelet-Rich Plasma Are a Suitable Option: A Systematic Review and Meta-analysis.

Am J Sports Med 2019 03 30;47(4):1001-1018. Epub 2018 Mar 30.

Nano-Biotechnology Laboratory, Rizzoli Orthopaedic Institute, Via Di Barbiano, Bologna, Italy.

Background: Patellar tendinopathy is a condition characterized by anterior knee activity-related pain. It has a high incidence among athletes engaged in jumping sports and may become a chronic condition. Nonoperative management is the first choice in these patients, and several nonsurgical treatment options have been proposed. Read More

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http://dx.doi.org/10.1177/0363546518759674DOI Listing
March 2019
45 Reads

Characterising the proximal patellar tendon attachment and its relationship to skeletal maturity in adolescent ballet dancers.

Muscles Ligaments Tendons J 2017 Apr-Jun;7(2):306-314. Epub 2017 Sep 18.

La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia.

Background: It is unknown how and when the proximal attachment of the patellar tendon matures; puberty may be key in ensuring normal tendon formation. The aim of this study was to investigate the features of the proximal patellar tendon attachment at different stages of skeletal maturity, to help gain an understanding of how and when the tendon attachment matures.

Methods: Sixty adolescent elite ballet students (ages 11-18) and eight mature adults participated. Read More

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http://dx.doi.org/10.11138/mltj/2017.7.2.306DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5725180PMC
September 2017
23 Reads

Patellar tendinopathy with intratendinous alteration on MRI may be related to patellofemoral dysplasia.

Scand J Med Sci Sports 2018 Apr 13;28(4):1443-1450. Epub 2018 Feb 13.

Department of Orthopaedic Surgery, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.

Patellar tendinopathy (PT) is a frequent overuse injury of the extensor knee apparatus, whereas as up to 30% of the athletes might suffer from persisting symptoms during their entire career. In the present case-control study, 47 patients (30.8 ± 11. Read More

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http://dx.doi.org/10.1111/sms.13033DOI Listing
April 2018
10 Reads

Magnetic resonance imaging-based morphological and alignment assessment of the patellofemoral joint and its relationship to proximal patellar tendinopathy.

Skeletal Radiol 2018 Mar 5;47(3):341-349. Epub 2017 Dec 5.

Department of Radiology, Hospital do Coração (HCor) and Teleimagem, São Paulo, SP, Brazil.

Objective: To assess the differences in morphology and alignment of the knee between patients with proximal patellar tendinopathy (PPT) and a control group, using MRI and focusing on the patellofemoral joint.

Methods: We retrospectively included 35 patients with clinically diagnosed and unequivocal findings of PPT on knee MRI, the case group. For the control group, we included 70 patients who underwent knee MRI for other reasons, with no clinical or MRI evidence of PPT. Read More

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http://dx.doi.org/10.1007/s00256-017-2833-0DOI Listing
March 2018
13 Reads

Arthroscopic patellar release for treatment of chronic symptomatic patellar tendinopathy: long-term outcome and influential factors in an athletic population.

BMC Musculoskelet Disord 2017 Nov 22;18(1):486. Epub 2017 Nov 22.

Department of Orthopedics and Trauma Surgery, University Medical Center Freiburg, Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Hugstetter Strasse 55, 79106, Freiburg, Germany.

Background: Arthroscopic patellar release (APR) is utilized for minimally invasive surgical treatment of patellar tendinopathy. Evidence regarding long-term success following the procedure is limited. Also, the influence of age and preoperative performance level, are incompletely understood. Read More

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http://dx.doi.org/10.1186/s12891-017-1851-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5700547PMC
November 2017
16 Reads

Achilles and patellar tendinopathy display opposite changes in elastic properties: A shear wave elastography study.

Scand J Med Sci Sports 2018 Mar 26;28(3):1201-1208. Epub 2017 Oct 26.

School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Qld, Australia.

To compare tendon elastic and structural properties of healthy individuals with those with Achilles or patellar tendinopathy. Sixty-seven participants (22 Achilles tendinopathy, 17 patellar tendinopathy, and 28 healthy controls) were recruited between March 2015 and March 2016. Shear wave velocity (SWV), an index of tissue elastic modulus, and tendon thickness were measured bilaterally at mid-tendon and insertional regions of Achilles and patellar tendons by an examiner blinded to group. Read More

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http://dx.doi.org/10.1111/sms.12986DOI Listing
March 2018
36 Reads

Patellar tendinopathy in young elite soccer- clinical and sonographical analysis of a German elite soccer academy.

BMC Musculoskelet Disord 2017 Aug 8;18(1):344. Epub 2017 Aug 8.

Freiburg University Hospital, Clinic of Orthopedic Surgery and Traumatology, Hugstetter Str. 55, 79098, Freiburg, Germany.

Background: The prevalence of patellar tendinopathy is elevated in elite soccer compared to less explosive sports. While the burden of training hours and load is comparably high in youth elite players (age < 23 years), little is known about the prevalence of patellar tendinopathy at this age. There is only little data available on the influence of age, the amount of training, the position on the field, as well as muscular strength, range of motion, or sonographical findings in this age group. Read More

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http://dx.doi.org/10.1186/s12891-017-1690-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5549401PMC
August 2017
12 Reads

Patellar and Achilles tendinopathies are predominantly peripheral pain states: a blinded case control study of somatosensory and psychological profiles.

Br J Sports Med 2018 Mar 11;52(5):284-291. Epub 2017 Jul 11.

School of Health and Rehabilitation Sciences: Physiotherapy, University of Queensland, St Lucia, Brisbane, Australia.

Study Design: Case-control design.

Background: Tendinopathy is characterised by pain on tendon loading. In persistent cases of upper limb tendinopathy, it is frequently associated with central nervous system sensitisation, whereas less commonly linked in the case of persistent lower limb tendinopathies. Read More

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http://bjsm.bmj.com/lookup/doi/10.1136/bjsports-2016-097163
Publisher Site
http://dx.doi.org/10.1136/bjsports-2016-097163DOI Listing
March 2018
28 Reads

Single-limb landing biomechanics are altered and patellar tendinopathy related pain is reduced with acute infrapatellar strap application.

Knee 2017 Aug 24;24(4):761-767. Epub 2017 May 24.

School of Biological and Population Health Sciences, 220 Langton Hall, Oregon State University, Corvallis, OR 97331, USA.

Background: Patellar tendinopathy, a common condition of the knee, is often treated with patellar tendon straps to control pain during dynamic activity. Little is known regarding their effect on pain, landing kinematics and kinetics with their application. The purpose of this study was to determine if patellar tendon straps influenced pain, kinematics at landing and ground reaction forces in individuals with patellar tendinopathy versus healthy controls. Read More

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http://dx.doi.org/10.1016/j.knee.2017.03.003DOI Listing
August 2017
22 Reads

Effect of a patellar strap on the joint position sense of the symptomatic knee in athletes with patellar tendinopathy.

J Sci Med Sport 2017 Nov 25;20(11):986-991. Epub 2017 Apr 25.

University of Groningen, University Medical Center Groningen, Center for Sports Medicine, The Netherlands.

Objectives: The primary aim of this study was to investigate the effect of a patellar strap on the proprioception of the symptomatic leg in PT. Secondary aims were to investigate a possible difference in effectiveness between athletes with high and low proprioceptive acuity, and whether predictors of effectiveness could be found.

Design: Randomised cross-over pilot study. Read More

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http://dx.doi.org/10.1016/j.jsams.2017.04.020DOI Listing
November 2017
30 Reads

The impact of patellar tendinopathy on sports and work performance in active athletes.

Res Sports Med 2017 Jul-Sep;25(3):253-265. Epub 2017 Apr 10.

a Center for Sports Medicine , University of Groningen, University Medical Center Groningen , Groningen , The Netherlands.

Greater insight into sports and work performance of athletes with patellar tendinopathy (PT) will help establish the severity of this common overuse injury. Primary aim of this study is to investigate the impact of PT on sports and work performance. Seventy seven active athletes with PT (50 males; age 28. Read More

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http://dx.doi.org/10.1080/15438627.2017.1314292DOI Listing
March 2018
16 Reads

Prognostic value of MRI in arthroscopic treatment of chronic patellar tendinopathy: a prospective cohort study.

BMC Musculoskelet Disord 2017 04 4;18(1):146. Epub 2017 Apr 4.

Department of Orthopedics and Trauma Surgery, Medical Center - Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany.

Background: To date, prognostic outcome factors for patients undergoing arthroscopic treatment due to chronic patellar tendinopathy (PT) are lacking. The purpose of this study was to investigate whether preoperatively assessed MRI parameters might be of prognostic value for prediction of functional outcome and return to sports in arthroscopic treatment of chronic PT.

Methods: A prospective cohort study was conducted including 30 cases (4 female and 24 male competitive athletes) undergoing arthroscopic patellar release (APR) due to chronic PT. Read More

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http://dx.doi.org/10.1186/s12891-017-1508-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5381145PMC
April 2017
23 Reads

Patellar tendon straps decrease pre-landing quadriceps activation in males with patellar tendinopathy.

Phys Ther Sport 2017 Mar 13;24:13-19. Epub 2016 Sep 13.

Oregon State University, Department of Athletic Training and Kinesiology, Langton Hall 220, Corvallis, OR, 97331, USA.

Objective: To determine if patellar tendon straps altered quadriceps' muscle activity during a drop-jump landing in males with and without patellar tendinopathy.

Design: Case-control.

Settings: Biomechanics Research Laboratory. Read More

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http://dx.doi.org/10.1016/j.ptsp.2016.09.007DOI Listing
March 2017
10 Reads

Surgical Technique: Jumper's Knee-Arthroscopic Treatment of Chronic Tendinosis of the Patellar Tendon.

Arthrosc Tech 2016 Dec 12;5(6):e1419-e1424. Epub 2016 Dec 12.

Department of Orthopedic Surgery, Saarland University, Homburg/Saar, Germany.

Chronic patellar tendinosis (jumper's knee) is a common problem among athletes. Conservative treatment is successful in most of the cases including, among others, the use of nonsteroidal anti-inflammatory drugs, local cryotherapy, eccentric muscle training, limitation of sports activity, and local infiltration. In approximately 10% of conservatively treated patients, conservative treatment fails and surgery is required. Read More

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http://dx.doi.org/10.1016/j.eats.2016.08.010DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5263865PMC
December 2016
12 Reads

CURRENT CONCEPTS IN THE TREATMENT OF PATELLAR TENDINOPATHY.

Authors:
Mark F Reinking

Int J Sports Phys Ther 2016 Dec;11(6):854-866

Regis University, Denver, CO, USA.

Patellar tendon pain is a significant problem in athletes who participate in jumping and running sports and can interfere with athletic participation. This clinical commentary reviews patellar tendon anatomy and histopathology, the language used to describe patellar tendon pathology, risk factors for patellar tendinopathy and common interventions used to address patellar tendon pain. Evidence is presented to guide clinicians in their decision-making regarding the treatment of athletes with patellar tendon pain. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5095939PMC
December 2016
17 Reads

Current Concepts and the Role of Surgery in the Treatment of Jumper's Knee.

Orthopedics 2016 Nov 3;39(6):e1028-e1035. Epub 2016 Aug 3.

Jumper's knee is a common cause of anterior knee pain among athletes and active populations. Numerous treatments have been described with variable results. To better delineate this, the authors reviewed all articles from 2000 to 2014 pertaining to the treatment of patellar tendinopathy, focusing namely on treatment of recalcitrant cases. Read More

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http://dx.doi.org/10.3928/01477447-20160714-06DOI Listing
November 2016
12 Reads

Lower limb strength and flexibility in athletes with and without patellar tendinopathy.

Phys Ther Sport 2016 Jul 19;20:19-25. Epub 2015 Dec 19.

Department of Physical Therapy, Federal University of São Carlos, São Carlos, Brazil. Electronic address:

Objectives: To compare the hip, knee and ankle torques, as well as knee and ankle flexibility between athletes with patellar tendinopathy and asymptomatic controls.

Design: Cross-sectional study.

Setting: Laboratory setting. Read More

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http://dx.doi.org/10.1016/j.ptsp.2015.12.001DOI Listing
July 2016
12 Reads

Cross-cultural Adaptation and Validation of the Victorian Institute of Sport Assessment-Patella Questionnaire for French-Speaking Patients With Patellar Tendinopathy.

J Orthop Sports Phys Ther 2016 May 21;46(5):384-90. Epub 2016 Mar 21.

Study Design Clinical measurement study. Background The Victorian Institute of Sport Assessment-Patella (VISA-P), originally developed in English, assesses the severity of patellar tendinopathy symptoms. To date, no French version of the questionnaire exists. Read More

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http://dx.doi.org/10.2519/jospt.2016.5937DOI Listing
May 2016
43 Reads

Is proprioception diminished in patients with patellar tendinopathy?

Gait Posture 2016 Mar 15;45:224-8. Epub 2016 Feb 15.

Center for Sports Medicine, University of Groningen, University Medical Center Groningen, The Netherlands. Electronic address:

Purpose: Patellar tendinopathy is a highly prevalent overuse injury, and most treatments are only effective to some extent. This persistence of complaints could be linked to changed proprioception. One study showed diminished proprioception in athletes with lateral epicondylitis. Read More

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http://dx.doi.org/10.1016/j.gaitpost.2016.02.010DOI Listing
March 2016
10 Reads

Incidence and prevalence of lower extremity tendinopathy in a Dutch general practice population: a cross sectional study.

BMC Musculoskelet Disord 2016 Jan 13;17:16. Epub 2016 Jan 13.

Center for Sports Medicine, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700, RB, Groningen, The Netherlands.

Background: Lower extremity tendinopathy is a common sports injury, but it can also affect non-athletes. Because tendinopathy is difficult to treat and has negative effects on the ability to work and quality of life, development of preventive interventions is important. The first step in the Van Mechelen prevention model is to determine the extent of the problem. Read More

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http://dx.doi.org/10.1186/s12891-016-0885-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4711046PMC
January 2016
24 Reads