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Patellar tendinopathy

F Y Fisker, S Kildegaard, M Thygesen, K Grosen, M Pfeiffer-Jensen
CrossFit is a fitness program that has become increasingly popular in the Western world, but as in other sports, the risk of injury is present. Only a few studies have addressed health benefits and injuries in CrossFit. It is known that chronically overloaded tendons will thicken and increase the risk of tendinopathy. However, it remains unknown whether acute overload caused by strenuous, high-intensity exercise will exert changes in tendons and if these changes can be detected and described by ultrasonography...
October 7, 2016: Scandinavian Journal of Medicine & Science in Sports
Pascal Edouard, Emmanuelle Cugy, Romain Dolin, Nicolas Morel, Kathrin Steffen
OBJECTIVE: The incidence of injuries in athletics is important, with consequences at short and long terms in sport, health, social and professional levels. It is therefore important to define strategies to reduce the incidence and severity of injuries in athletics. The objective of this study was to determine whether an injury prevention program (IPP) can reduce the occurrence and/or severity of injuries related to the practice of athletics. MATERIAL AND METHODS: The IPP has been developed, based on current scientific knowledge, targeting exercises on the most common injuries in athletics (hamstring muscle injury, Achilles and patellar tendinopathy, low back pain, ankle sprain) and selecting exercises known to treat and/or prevent these injuries (care stability, hamstrings and leg eccentric muscle strengthening, pelvis balance and stabilizing work)...
September 2016: Annals of Physical and Rehabilitation Medicine
Julien Caquot, Anaick Perrochon, Jean-Luc Bugeaud, Xavier Dumélié, François Duzou, Jean-Christophe Daviet
OBJECTIVE: Jumper's knee is extremely common among basketball players of high-level even in the youth categories, with adverse consequences for the continuation of the practice. To establish a preventive educational action, we have sought to examine the cognitive representations of the players concerning the patellar tendinopathy. OBJECTIVE: Raise an appraisal of presentations and ideas accepted from the basketball players participants in the championship of France hope concerning the prevention of the patellar tendinothy (PT)...
September 2016: Annals of Physical and Rehabilitation Medicine
Julien Caquot, Anaick Perrochon, Jean-Luc Bugeaud, Xavier Dumélié, Marc Pajon, Jean-Christophe Daviet
OBJECTIVE: The jumper-Knee is common among basketball player's with adverse consequences on the practice. For the sake of prevention, it seems interesting to study its importance in the younger categories. The aim of the present study was to collect epidemiological data on pain below patella in France hope Championship basketball. MATERIAL AND METHODS: We conducted a sectional survey by questionnaire, a given day. We sent ten questionnaires to the attention of players and a questionnaire to the attention of the coaches of the 18 participating training centers at the Championship of France pro A hope...
September 2016: Annals of Physical and Rehabilitation Medicine
Giuseppe Filardo, Berardo Di Matteo, Elizaveta Kon, Giulia Merli, Maurilio Marcacci
PURPOSE: Platelet-rich plasma (PRP) is currently the most exploited strategy in the clinical practice to provide a regenerative stimulus for tendon healing. The aim of the present study was to systematically review the available evidence on the treatment of the main tendon disorders where PRP is currently applied. METHODS: A systematic review of the literature was performed on the use of PRP as a treatment for tendinopathies focusing on the following sites: Achilles tendon, patellar tendon, rotator cuff tendons, and lateral elbow tendons...
September 24, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Mehmet Mesut Çelebi, Serdal Kenan Köse, Zehra Akkaya, Ali Murat Zergeroglu
INTRODUCTION AND PURPOSE: VISA-P questionnaire assesses to severity of symptoms and treatment effects in athletes with patellar tendinopathy. The purpose of this study was to translated VISA-P questionnaire into Turkish language and to determine its validity and reliability. METHODS: The English version of VISA-P questionnaire was translated into Turkish according to the internationally recommended guidelines. Test-retest reliability was determined on 89 participants with time interval 24 h...
2016: SpringerPlus
Seán McAuliffe, Karen McCreesh, Fiona Culloty, Helen Purtill, Kieran O'Sullivan
BACKGROUND: Ultrasound (US) imaging is commonly used to visualise tendon structure. It is not clear whether the presence of structural abnormalities in asymptomatic tendons predicts the development of future tendon symptoms in the Achilles or patellar tendon. AIM: To perform a systematic review and meta-analysis investigating the ability of US imaging to predict future symptoms of patellar or Achilles tendinopathy. METHODS: Prospective studies that performed US imaging of Achilles OR patellar tendon structure among asymptomatic patients at baseline and a clinical measure of pain and/or function at follow-up were included...
September 15, 2016: British Journal of Sports Medicine
Z J Zhang, G Y F Ng, W C Lee, S N Fu
To investigate the passive muscle tension of the quadriceps muscle heads in male athletes clinically diagnosed with patellar tendinopathy (PT) with those of healthy controls and explore the interplay between passive muscle tension and patellar tendon stiffness. Between November 2012 and December 2013, 66 male athletes (mean age of 21.1 ± 4.4 years) were examined using supersonic shear wave imaging technology. The passive tension of the vastus lateralis (VL) and rectus femoris (RF) muscles and patellar tendon stiffness were assessed...
August 19, 2016: Scandinavian Journal of Medicine & Science in Sports
Isabel Andia, Michele Abate
Hyperuricemia, particularly gout, and the immune inflammatory response are highly integrated. Both, long standing hyperuricemia and monosodium urate (MSU) crystal deposition can challenge tendon homeostasis because of their potential to cause inflammation to the host. Knowledge is emerging from clinical imaging research depicting where MSU crystals deposit, including patellar tendon, triceps and quadriceps tendons. Remarkably, subclinical tendon inflammation and damage are also present in asymptomatic hyperuricemia...
2016: Advances in Experimental Medicine and Biology
Ebonie Rio, Mathijs van Ark, Sean Docking, G Lorimer Moseley, Dawson Kidgell, Jamie E Gaida, Inge van den Akker-Scheek, Johannes Zwerver, Jill Cook
OBJECTIVE: This study aimed to compare the immediate analgesic effects of 2 resistance programs in in-season athletes with patellar tendinopathy (PT). Resistance training is noninvasive, a principle stimulus for corticospinal and neuromuscular adaptation, and may be analgesic. DESIGN: Within-season randomized clinical trial. Data analysis was conducted blinded to group. SETTING: Subelite volleyball and basketball competitions. PARTICIPANTS: Twenty jumping athletes aged more than 16 years, participating in games/trainings 3 times per week with clinically diagnosed PT...
August 10, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Kai-Yu Ho, Kornelia Kulig
OBJECTIVE: This case-based report assessed resting water content and exercise-driven water exchange within a tendon with a history of tendinopathy and compared the response to that of a healthy uninvolved tendon. DESIGN: Case Report. SETTING: University imaging center. PARTICIPANT: The participant was a 27-year-old female basketball player 39 months following knee trauma. Patellar tendinopathy developed 12 months after the injury episode and was treated with eccentric exercises...
October 2016: Physiotherapy Theory and Practice
Zachary Meyer, William M Ricci
Patellar and quadriceps tendon ruptures are relatively common injuries. Rupture of the knee extensor mechanism may occur because of a forceful eccentric contraction of the quadriceps against a resisted flexed knee, though atraumatic cases have also been described. Patients at higher than normal risk for knee extensor mechanism rupture include those with systemic co-morbidities, fluoroquinolone use, and chronic tendinopathy. Early operative treatment and mobilization of acute extensor mechanism ruptures has proven effective, and numerous techniques have been described...
August 2016: Journal of Orthopaedic Trauma
Bárbara Rosa, Pedro Campos, André Barros, Samir Karmali, Ricardo Gonçalves
The present case emphasizes the importance of adhering to strict indications when prescribing fluoroquinolones. Although rare, drug-induced tendinopathy is not confined to fluoroquinolones. The patient's and physician's awareness should be increased to reduce fluoroquinolones-associated morbidity, particularly in patients with previously described risk factors.
July 2016: Clinical Case Reports
D J Griffon, J Cho, J R Wagner, C Charavaryamath, J Wei, A Wagoner Johnson
Chitosan opens new perspectives in regenerative medicine as it enhances the properties of mesenchymal stem cells (MSCs) through formation of spheroids. Hypoxia has also been proposed to enhance stemness and survival of MSCs after in vivo implantation. These characteristics are relevant to the development of an off-the-shelf source of allogenic cells for regenerative therapy of tendinopathies. Umbilical cord-derived MSCs (UCM-MSCs) offer an abundant source of immature and immunoprivileged stem cells. In this study, equine UCM-MSCs (eqUCM-MSCs) conditioned for 3 and 7 days on chitosan films at 5% oxygen were compared to eqUCM-MSCs under standard conditions...
2016: Stem Cells International
Luciana de Michelis Mendonça, Juliana Melo Ocarino, Natália Franco Netto Bittencourt, Ludmila Maria Oliveira Fernandes, Evert Verhagen, Sérgio Teixeira Fonseca
Study Design Cross-sectional clinical assessment. Background Patellar tendinopathy is not always accompanied by patellar tendon abnormalities (PTAs). Thus, clinical screening tools to help identify patients with patellar tendon pain who have PTAs could enhance clinical decision making and patient prognosis. Objectives To test the diagnostic accuracy of the Victorian Institute of Sport Assessment-Patella (VISA-P) questionnaire, a single-leg decline squat (SLDS), tendon pain history, age, and years of sports participation to identify athletes with symptomatic patellar tendons who have PTAs confirmed on imaging...
August 2016: Journal of Orthopaedic and Sports Physical Therapy
(no author information available yet)
Dragoo JL, Wasterlain AS, Braun HJ, Nead KT. Platelet-rich plasma as a treatment for patellar tendinopathy: a double-blind, randomized controlled trial. Am J Sports Med. 2014;42(3):610-618. (Original DOI: 10.1177/0363546513518416).
July 2016: American Journal of Sports Medicine
George P Pappas, Melissa A Vogelsong, Ernesto Staroswiecki, Garry E Gold, Marc R Safran
OBJECTIVE: To determine the prevalence of abnormal structural findings using 3.0-T magnetic resonance imaging (MRI) in the asymptomatic knees of male and female collegiate basketball players before and after a season of high-intensity basketball. DESIGN: Institutional review board-approved prospective case series. PARTICIPANTS: Asymptomatic knees of 24 NCAA Division I collegiate basketball players (12 male, 12 female) were imaged using a 3...
June 22, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Karin M Thijs, Johannes Zwerver, Frank J G Backx, Victor Steeneken, Stephan Rayer, Petra Groenenboom, Maarten H Moen
OBJECTIVE: To evaluate the effectiveness of a combined treatment of focused shockwave therapy (ESWT) and eccentric training compared with sham-shockwave therapy (placebo) and eccentric training in participants with patellar tendinopathy (PT) after 24 weeks. DESIGN: Randomized controlled trial. SETTING: Sports medicine departments of a university hospital and a general hospital in the Netherlands. PARTICIPANTS: Fifty-two physically active male and female participants with a clinical diagnosis of PT (mean age: 28...
June 22, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Rodrigo Scattone Silva, Theresa H Nakagawa, Ana Luisa G Ferreira, Luccas C Garcia, José E M Santos, Fábio V Serrão
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. PARTICIPANTS: Fourteen male volleyball, basketball or handball athletes, divided into 2 groups, patellar tendinopathy group (TG; n = 7) and asymptomatic control group (CG; n = 7). MAIN OUTCOME MEASURES: Hip, knee and ankle isometric torques were measured with a handheld dynamometer...
July 2016: Physical Therapy in Sport
Timm Dirrichs, Valentin Quack, Matthias Gatz, Markus Tingart, Christiane K Kuhl, Simone Schrading
RATIONALE AND OBJECTIVES: Shear wave elastography (SWE) has been shown to be a powerful tool to estimate tissue stiffness. The aim of this study was to compare the diagnostic accuracy of SWE to that of standard ultrasound (US) (combined use of B-mode US and power Doppler [PD] US) for diagnosing tendinopathies. MATERIALS AND METHODS: This is a prospective institutional review board-approved study on 112 participants (mean age 42 ± 13.4 years) with chronic (>6 months) tendon pain in Achilles, patellar, or epicondylar tendons...
October 2016: Academic Radiology
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