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hamstring tendinopathy

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
Ryan A Mlynarek, Andrew W Kuhn, Asheesh Bedi
The use of platelet-rich plasma (PRP) injections in the treatment of musculoskeletal conditions has become more prevalent in recent years. Current literature has exhibited that PRP injections are relatively safe and can potentially accelerate or augment the soft tissue healing process. This review presents the most current literature update on the use of PRP in the treatment of rotator cuff tears, osteoarthritis of the knee, ulnar collateral ligament tears, lateral epicondylitis, hamstring injuries, and Achilles tendinopathy...
July 2016: American Journal of Orthopedics
S M Thompson, S Fung, D G Wood
PURPOSE: Injury to the proximal hamstring complex (PHC) is becoming more frequently diagnosed. Patients attending our tertiary referral centre demonstrated 'pathological changes' in the unaffected normal contralateral PHC on MRI. The prevalence of PHC pathology, however, has not been previously documented in the literature in asymptomatic subjects. It is the hypothesis of this study that the natural history of asymptomatic pathological change on MRI in the PHC is not clear. The aim is to quantify the natural history of PHC degeneration...
August 4, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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
Neal L Millar, Moeed Akbar, Abigail L Campbell, James H Reilly, Shauna C Kerr, Michael McLean, Marina Frleta-Gilchrist, Umberto G Fazzi, William J Leach, Brian P Rooney, Lindsay A N Crowe, George A C Murrell, Iain B McInnes
Increasingly, inflammatory mediators are considered crucial to the onset and perpetuation of tendinopathy. We sought evidence of interleukin 17A (IL-17A) expression in early human tendinopathy and thereafter, explored mechanisms whereby IL-17A mediated inflammation and tissue remodeling in human tenocytes. Torn supraspinatus tendon (established pathology) and matched intact subscapularis tendon (representing 'early pathology') along with control biopsies were collected from patients undergoing shoulder surgery...
2016: Scientific Reports
Samuel K Chu, Monica E Rho
Hamstring injuries are very common in athletes. Acute hamstring strains can occur with high-speed running or with excessive hamstring lengthening. Athletes with proximal hamstring tendinopathy often do not report a specific inciting event; instead, they develop the pathology from chronic overuse. A thorough history and physical examination is important to determine the appropriate diagnosis and rule out other causes of posterior thigh pain. Conservative management of hamstring strains involves a rehabilitation protocol that gradually increases intensity and range of motion, and progresses to sport-specific and neuromuscular control exercises...
May 2016: Current Sports Medicine Reports
Thomas S H Goom, Peter Malliaras, Michael P Reiman, Craig R Purdam
Synopsis Proximal hamstring tendinopathy (PHT) typically manifests as deep buttock pain at the hamstring common origin. Both athletic and nonathletic populations are affected by PHT. Pain and dysfunction are often long-standing and limit sporting and daily functions. There is limited evidence regarding diagnosis, assessment, and management; for example, there are no randomized controlled trials investigating rehabilitation of PHT. Some of the principles of management established in, for example, Achilles and patellar tendinopathy would appear to apply to PHT but are not as well documented...
June 2016: Journal of Orthopaedic and Sports Physical Therapy
Toby O Smith, Leigh Davies, Akbar de Medici, Allan Hakim, Fares Haddad, Alex Macgregor
AIM: To determine the prevalence of musculoskeletal disorders and anatomical regions which are most frequently injured in ballet dancers. METHODS: Published (AMED, CiNAHL, EMBASE, SPORTDiscus, psycINFO, MEDLINE, the Cochrane Library) and grey literature databases (OpenGrey, the WHO International Clinical Trials Registry Platform, Current Controlled Trials and the UK National Research Register Archive) were searched from their inception to 25th May 2015 for papers presenting data on injury prevalence in ballet dancers...
May 2016: Physical Therapy in Sport
C J Barton, D R Bonanno, J Carr, B S Neal, P Malliaras, A Franklyn-Miller, H B Menz
IMPORTANCE: Running-related injuries are highly prevalent. OBJECTIVE: Synthesise published evidence with international expert opinion on the use of running retraining when treating lower limb injuries. DESIGN: Mixed methods. METHODS: A systematic review of clinical and biomechanical findings related to running retraining interventions were synthesised and combined with semistructured interviews with 16 international experts covering clinical reasoning related to the implementation of running retraining...
May 2016: British Journal of Sports Medicine
Philip Ellison, Lyndon William Mason, Andrew Molloy
BACKGROUND: Chronic rupture of the Achilles tendon (delayed diagnosis of more than 4 weeks) can result in retraction of the tendon and inadequate healing. Direct repair may not be possible and augmentation methods are challenging when the defect exceeds 5-6 cm, especially if the distal stump is grossly tendinopathic. METHODS: We describe our method of Achilles tendon reconstruction with ipsilateral semitendinosis autograft and interference screw fixation in a patient with chronic rupture, a 9 cm defect and gross distal tendinopathy...
March 2016: Foot
Kathleen L Davenport, Jose Santiago Campos, Joseph Nguyen, Gregory Saboeiro, Ronald S Adler, Peter J Moley
OBJECTIVES: To compare the effects of ultrasound-guided platelet-rich plasma (PRP) and whole blood (WB) injections in patients with chronic hamstring tendinopathy. METHODS: In a prospective double-blind randomized controlled trial, PRP or WB was injected under ultrasound guidance into the proximal hamstring tendon in a cohort of patients with clinically suspected hamstring tendinosis. Questionnaires were administered before injection and 2, 6, and 12 weeks and 6 months after injection...
August 2015: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Christopher P Walsh, James C Hubbard, Joseph P Nessler, David C Markel
MARS-MRI is suggested for the diagnosis of adverse local tissue reactions (ALTR) in patients with recalled femoral stems with modular necks, but there has been no major study looking at MARS-MRI findings in this population. A retrospective review was performed on 312 patients who received a modular neck hip implant between October 2007 and February 2012. 62% of patients had intra-articular effusions, with 27% containing debris. Extra-capsular effusions were present in 35% of hips. 54% had synovitis and 5.4% had osteolysis...
November 2015: Journal of Arthroplasty
Benjamin John Floyd Dean, Sarah J B Snelling, Stephanie Georgina Dakin, Muhammad Kassim Javaid, Andrew Jonathan Carr
It is known that extracellular glutamate concentrations are increased in tendinopathy but the effects of glutamate upon human tendon derived cells are unknown. The primary purpose was to investigate the effect of glutamate exposure on human tendon-derived cells in terms of viability, protein, and gene expression. The second purpose was to assess whether NMDAR antagonism would affect the response of tendon-derived cells to glutamate exposure. Human tendon-derived cells were obtained from supraspinatus tendon tissue obtained during rotator cuff repair (tendon tear derived cells) and from healthy hamstring tendon tissue (control cells)...
October 2015: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Daniel Cushman, Monica E Rho
STUDY DESIGN: Case report. BACKGROUND: Proximal hamstring tendinopathy in runners is characterized by pain with passive hip flexion with the knee extended, active hip extension, and pain with sitting. Relatively little literature exists on the condition, and publications on nonsurgical treatment protocols are even more scarce. Surgical intervention, which comprises the majority of literature for treatment of this condition, is an option for cases that fail to respond to nonsurgical treatment...
July 2015: Journal of Orthopaedic and Sports Physical Therapy
Lasse Lempainen, Kristian Johansson, Ingo J Banke, Juha Ranne, Keijo Mäkelä, Janne Sarimo, Pekka Niemi, Sakari Orava
BACKGROUND: proximal hamstring tendinopathy (PHT) is a disabilitating disease often causing underperformance in the athletically demanding patients. The main symptom of PHT is lower gluteal pain especially during running or while prolonged sitting. Mainly affecting athletically active individuals, PHT is a considerable challenge for treating health care professionals. PURPOSE: this paper aims to concisely present the literature on PHT to guide health care professionals treating these patients and doing research on the subject...
January 2015: Muscles, Ligaments and Tendons Journal
Ryan R Fader, Justin J Mitchell, Shaun Traub, Roger Nichols, Michelle Roper, Omer Mei Dan, Eric C McCarty
BACKGROUND: chronic proximal hamstring tendinopathies is a disabling activity related condition. Currently, there is no well-accepted or extensively documented non-operative treatment option that provides consistently successful results. PURPOSE: to evaluate the efficacy of ultrasound guided platelet-rich plasma injections in treating chronic proximal hamstring tendinopathies. METHODS: a total of 18 consecutive patients were retrospectively analyzed...
October 2014: Muscles, Ligaments and Tendons Journal
Elise Huisman, Alex Lu, Robert G McCormack, Alex Scott
BACKGROUND: Mechanical stimulation (e.g. slow heavy loading) has proven beneficial in the rehabilitation of chronic tendinopathy, however the optimal parameters of stimulation have not been experimentally determined. In this study of mechanically stimulated human tenocytes, the influence of rest insertion and cycle number on (1) the protein and mRNA levels of type I and III collagen; (2) the mRNA levels of transforming growth factor beta (TGFB1) and scleraxis (SCXA); and (3) tenocyte morphology, were assessed...
2014: BMC Musculoskeletal Disorders
Rouhollah Mousavizadeh, Ludvig Backman, Robert G McCormack, Alex Scott
OBJECTIVE: Glucocorticoid injections are used by rheumatologists to treat chronic tendinopathy. Surprisingly, the mechanisms by which corticosteroids induce pain relief in this condition have not been investigated. Previous studies have shown local substance P (SP) levels to be correlated with tendon pain and tissue pathology. The objective of this study was to determine whether SP production in human tenocytes is modulated by exposure to dexamethasone. METHODS: Human tendon fibroblasts were cultured in the presence or absence of dexamethasone (1-400 nM), an inhibitor of the glucocorticoid receptor, RU486, recombinant TGF-β (2...
February 2015: Rheumatology
Matthew W Backer, Kenneth S Lee, Donna G Blankenbaker, Richard Kijowski, James S Keene
OBJECTIVE: MRI findings of ischiofemoral impingement (IFI) have been described, but there is little evidence for treatment with ultrasound-guided corticosteroid injection. The purpose of this study was to evaluate the effectiveness of ultrasound-guided corticosteroid injection of the quadratus femoris muscle as a treatment of IFI syndrome and to correlate the MRI findings with injection outcome. MATERIALS AND METHODS: The medical records of 61 consecutively registered subjects who underwent bony pelvis MRI in which either IFI or quadratus femoris edema was described in the radiology report were retrospectively reviewed...
September 2014: AJR. American Journal of Roentgenology
Margaret Kedia, Michael Williams, Lisa Jain, Marie Barron, Nick Bird, Brian Blackwell, David R Richardson, Susan Ishikawa, G Andrew Murphy
STUDY DESIGN: Single-blind, randomized, clinical trial. BACKGROUND: The effect of eccentric training for mid-portion Achilles tendinopathy is well documented; however, its effect on insertional Achilles tendinopathy is inconclusive. The primary purpose of this study was to investigate the effect of eccentric training on pain and function for individuals with insertional Achilles tendinopathy. METHODS: All patients received a 12-week conventional strengthening protocol...
August 2014: International Journal of Sports Physical Therapy
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