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https://www.readbyqxmd.com/read/29219884/abduction-in-proximal-hamstring-tendon-avulsion-injury-mechanism-a-report-on-3-athletes
#1
Anne D van der Made, Rolf W Peters, Claire Verheul, Mario Maas, Gino M Kerkhoffs
Proximal hamstring tendon avulsions are typically sustained during forced hip hyperflexion combined with knee extension. We present 3 cases of athletes with a proximal hamstring tendon avulsion caused by an alternative injury mechanism that also involves a considerable hip abduction component (flexion-abduction injury mechanism). All cases had at least one concurrent injury of the medial thigh muscles, either on the ipsilateral or contralateral side. The 2 elite athletes with this injury mechanism returned to sport at preinjury level relatively quickly...
December 1, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29203381/accuracy-of-3-clinical-tests-to-diagnose-proximal-hamstrings-tears-with-and-without-sciatic-nerve-involvement-in-patients-with-posterior-hip-pain
#2
RobRoy L Martin, Ricardo Gonçalves Schröder, Juan Gomez-Hoyos, Anthony N Khoury, Ian James Palmer, Ryan P McGovern, Hal David Martin
PURPOSE: To determine the diagnostic accuracy of the active hamstring test at 30° (A-30) and 90° (A-90) of knee flexion, the long stride heel strike (LSHS) test, and combination of the 3 tests for individuals with hamstring tendon tears, with and without sciatic nerve involvement. METHODS: A retrospective review of 564 consecutive clinical records identified 42 subjects with a mean age of 50.31 ± 15 years who underwent a standard physical examination prior to magnetic resonance imaging (MRI) evaluation and diagnostic injection for posterior hip...
December 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29201925/a-comparison-of-nonoperative-and-operative-treatment-of-complete-proximal-hamstring-ruptures
#3
Braidy C Shambaugh, Joshua R Olsen, Edward Lacerte, Ethan Kellum, Suzanne L Miller
Background: The early repair of acute proximal hamstring ruptures provides better clinical results than delayed repair. However, it is unclear how nonoperative treatment compares with the operative treatment of these injuries. Purpose: To compare the clinical results of the nonoperative and operative treatment of acute proximal hamstring ruptures. Study Design: Cohort study; Level of evidence, 3. Methods: A total of 25 patients with complete, retracted proximal hamstring ruptures presenting to 1 institution were retrospectively reviewed...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29192932/a-novel-technique-to-repair-acute-and-chronic-proximal-hamstring-avulsions
#4
Michael T Cain, Matthew C Jones, Dale N Reed
Treatment of proximal hamstring avulsions is challenging regarding both timing and choice of repair. In chronic situations, the tissue can become attenuated, bringing into question the need for adjunctive allograft. In general, proximal hamstring avulsions are affixed back to the ischial tuberosity with suture anchors, with allograft used as needed for chronic situations. This article reports on a novel technique of suspensory fixation with a unicortical button but without allograft to repair both acute and chronic proximal hamstring avulsions...
November 30, 2017: Orthopedics
https://www.readbyqxmd.com/read/29191118/spondylolisthesis-identified-using-ultrasound-imaging
#5
George J Beneck, Andrea N Gard, Kimberly A Fodran
57-year-old woman was recruited for a research study of muscle activation in persons with low back pain. She described a progressive worsening of left lower lumbar pain, which began 5 years prior without any precipitating incident, and intermittent pain at the left gluteal fold (diagnosed as a proximal hamstring tear 2 years prior). Ultrasound revealed marked anterior displacement of the L3-4 and L4-5 facet joints. The subject was recommended for a radiograph using a lateral recumbent view, which demonstrated a grade II spondylolisthesis...
December 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29151008/suture-anchor-repair-of-complete-proximal-hamstring-ruptures-a-cadaveric-biomechanical-evaluation
#6
(no author information available yet)
No abstract text is available yet for this article.
December 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/29145673/imaging-characteristics-predict-operative-difficulty-mobilizing-the-sciatic-nerve-for-proximal-hamstring-repair
#7
Thomas J Wilson, B Matthew Howe, Robert J Spinner, Aaron J Krych
BACKGROUND: Repair of proximal hamstring avulsions requires mobilization of the sciatic nerve away from the tendon stump, which can be achieved with varying difficulty depending on the degree of scar formation and adherence. Predicting when a scarred, adherent, difficult-to-mobilize nerve will be encountered has been difficult. OBJECTIVE: To identify clinical and/or radiological factors predictive of a difficult intraoperative dissection of the sciatic nerve during proximal hamstring repair...
November 14, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29143379/region-dependent-hamstrings-activity-in-nordic-hamstring-exercise-and-stiff-leg-deadlift-defined-with-high-density-emg
#8
András Hegyi, Annamária Péter, Taija Finni, Neil J Cronin
Recent studies suggest region-specific metabolic activity in hamstring muscles during injury prevention exercises, but the neural representation of this phenomenon is unknown. The aim of this study was to examine whether regional differences are evident in the activity of biceps femoris long head (BFlh) and semitendinosus (ST) muscles during two common injury prevention exercises. Twelve male participants without a history of hamstring injury performed the Nordic hamstring exercise (NHE) and stiff-leg deadlift (SDL) while BFlh and ST activity were recorded with high-density electromyography (HD-EMG)...
November 15, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29121248/fusion-of-positron-emission-tomography-computed-tomography-with-magnetic-resonance-imaging-reveals-hamstring-peritendonitis-in-polymyalgia-rheumatica
#9
Claire E Owen, Aurora M T Poon, Sze Ting Lee, Lee Pheng Yap, Richard B Zwar, Christine M McMenamin, Simon K L Lam, David F L Liew, Kunthi Pathmaraj, Andrew Kemp, Andrew M Scott, Russell R C Buchanan
Objectives: To characterize 18F-fluorodeoxyglucose (18F-FDG) uptake on whole-body PET/CT in PMR, and identify its precise anatomic correlate using MRI. Methods: Patients with newly diagnosed PMR according to the 2012 EULAR/ACR classification criteria were prospectively recruited. Participants with GCA were excluded. A whole-body 18F-FDG PET/CT scan was performed in all untreated patients. Qualitative and semiquantitative [standardized uptake value maximum (SUVmax)] scoring of abnormal 18F-FDG uptake was undertaken...
November 7, 2017: Rheumatology
https://www.readbyqxmd.com/read/29114628/femoral-tunnel-positioning-in-anterior-cruciate-ligament-reconstruction-anteromedial-portal-versus-transtibial-technique-a-randomized-clinical-trial
#10
Michele Venosa, Marco Delcogliano, Roberto Padua, Federica Alviti, Antonio Delcogliano
Purpose  The purpose of this study was to investigate, through three-dimensional computed tomography (3D-CT), the accuracy of femoral tunnel positioning in patients undergoing anterior cruciate ligament (ACL) reconstruction, comparing transtibial (TT) and anteromedial (AM) techniques. Methods  We evaluated postoperative 3D-CT scans of 26 patients treated with ACL reconstruction with hamstrings autograft using a low accessory AM portal technique and 26 treated with the TT technique. The position of the femoral tunnel center was measured with the quadrant method...
March 2017: Joints
https://www.readbyqxmd.com/read/29102430/involvement-of-pelvic-girdle-and-proximal-leg-muscles-in-early-oculopharyngeal-muscular-dystrophy
#11
B M van der Sluijs, S Lassche, G J Knuiman, B Kusters, A Heerschap, M Hopman, T H Schreuder, B G M van Engelen, N C Voermans
Although limb girdle weakness is not part of the major diagnostic criteria of oculopharyngeal muscular dystrophy (OPMD), it has frequently been observed in the Dutch and other OPMD cohorts. In the Dutch cohort, this might be related to the relatively old age or the severity of the genetic defect. This patient-control study (14 OPMD patients and 12 controls) investigated the involvement of limb girdle muscles with a multidimensional approach in early OPMD. We assessed functional abilities, disease impact, physical activity, muscle strength, histopathology and fatty infiltration using questionnaires, actometer, functional tests, manual and quantitative muscle testing, muscle biopsy and muscle MRI...
September 28, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/29030457/adding-quantitative-muscle-mri-to-the-fshd-clinical-trial-toolbox
#12
Karlien Mul, Sanne C C Vincenten, Nicol C Voermans, Richard J L F Lemmers, Patrick J van der Vliet, Silvère M van der Maarel, George W Padberg, Corinne G C Horlings, Baziel G M van Engelen
OBJECTIVE: To add quantitative muscle MRI to the clinical trial toolbox for facioscapulohumeral muscular dystrophy (FSHD) by correlating it to clinical outcome measures in a large cohort of genetically and clinically well-characterized patients with FSHD comprising the entire clinical spectrum. METHODS: Quantitative MRI scans of leg muscles of 140 patients with FSHD1 and FSHD2 were assessed for fatty infiltration and TIRM hyperintensities and were correlated to multiple clinical outcome measures...
October 13, 2017: Neurology
https://www.readbyqxmd.com/read/29023278/surgical-approach-impacts-posterior-femoral-cutaneous-nerve-outcomes-after-proximal-hamstring-repair
#13
Thomas J Wilson, Robert J Spinner, Aaron J Krych
OBJECTIVE: The goal of this study was to characterize the risk of intraoperative injury to the posterior femoral cutaneous nerve and to evaluate potential risk factors for injury during surgical repair of proximal hamstring injuries. DESIGN: Retrospective cohort study. SETTING: Single tertiary referral center. PATIENTS: The cohort consisted of all patients presenting to a single institution with a proximal hamstring avulsion injury who were managed with surgical repair between January 1, 2000 and August 1, 2016...
October 6, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29016194/outcomes-after-operative-and-nonoperative-treatment-of-proximal-hamstring-avulsions-a-systematic-review-and-meta-analysis
#14
Blake M Bodendorfer, Andrew J Curley, Joshua A Kotler, James M Ryan, Neha S Jejurikar, Anagha Kumar, William F Postma
BACKGROUND: No meta-analysis has compared outcomes of operative and nonoperative proximal hamstring avulsion treatment. PURPOSE: To compare outcomes of operative and nonoperative proximal hamstring avulsion treatment, including acute, chronic, partial, and complete repairs. STUDY DESIGN: Meta-analysis. METHODS: PubMed, CINAHL, SPORTdiscus, Cochrane Library, EMBASE, and Web of Science were searched up to July 2016. Three authors screened the studies and performed quality assessment using criteria from the Methodologic Index for Nonrandomized Studies...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28970981/adjustable-button-devices-for-all-arthroscopic-posterior-cruciate-ligament-reconstruction-using-the%C3%A2-hamstrings-tendons-and-the-forgotten-transseptal-approach
#15
Paul Brossard, Achilleas Boutsiadis, Jean-Claude Panisset, Frédéric Mauris, Johannes Barth
Posterior cruciate ligament (PCL) ruptures account for nearly 20% of all ligamentous knee injuries. These may be either isolated or in the setting of a more complex knee trauma. Isolated tears with moderate posterior laxity (grades I or II) are commonly treated conservatively; nevertheless, symptomatic grade III injuries frequently require surgical intervention. PCL reconstruction remains a challenging surgery for multiple reasons like the neurovascular structures' proximity, the difficult passage of the graft with the "killer turn" angle, or the risk of poor graft fixation...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28954794/the-effectiveness-of-extracorporeal-shockwave-therapy-in-common-lower-limb-conditions-a-systematic-review-including-quantification-of-patient-rated-pain-reduction
#16
REVIEW
Vasileios Korakakis, Rodney Whiteley, Alexander Tzavara, Nikolaos Malliaropoulos
OBJECTIVE: To evaluate extracorporeal shockwave therapy (ESWT) in treating Achilles tendinopathy (AT), greater trochanteric pain syndrome (GTPS), medial tibial stress syndrome (MTSS), patellar tendinopathy (PT) and proximal hamstring tendinopathy (PHT). DESIGN: Systematic review. ELIGIBILITY CRITERIA: Randomised and non-randomised studies assessing ESWT in patients with AT, GTPS, MTSS, PT and PHT were included. Risk of bias and quality of studies were evaluated...
September 27, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28915914/paradoxical-tunnel-enlargement-after-acl-reconstruction-with-hamstring-autografts-when-using-%C3%AE-tcp-containing-interference-screws-for-tibial-aperture-fixation-prospectively-comparative-study
#17
Joon Ho Wang, Eun Su Lee, Byung Hoon Lee
BACKGROUND: Tibial aperture fixation with a bioabsorbable interference screw is a popular fixation method in anterior cruciate ligament reconstruction (ACLR). An interference screw containing β-tricalcium phosphate (β-TCP) to improve bony integration and biocompatibility was recently introduced. This study aims to compare the clinical outcomes and radiological results of tunnel enlargement effect between the 2 bioabsorbable fixative devices of pure poly-L-lactic acid (PLLA) interference screws and β-TCP-containing screws, for tibial interference fixation in ACLR using hamstring autografts...
September 16, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28914131/safety-and-efficacy-of-repeat-open-label-abobotulinumtoxina-treatment-in-pediatric-cerebral-palsy
#18
Mauricio R Delgado, Marcin Bonikowski, Jorge Carranza, Edward Dabrowski, Dennis Matthews, Barry Russman, Ann Tilton, Juan Carlos Velez, Anne-Sophie Grandoulier, Philippe Picaut
This was a prospective, repeat-treatment, open-label study (NCT01251380) of abobotulinumtoxinA for the management of lower limb spasticity in children who had completed a double-blind study. Children (2-17 years) received injections into the gastrocnemius-soleus complex, and other distal and proximal muscles as required (maximum total dose per injection cycle: 30 U/kg or 1000U). A total of 216 of the 241 double-blind patients entered the extension study and 207 received ≥1 open label injection into the gastrocnemius-soleus; 17-24% of patients also had injections into the hamstrings...
November 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28895622/sciatic-nerve-conductivity-is-impaired-by-hamstring-strain-injuries
#19
Karina Kouzaki, Koichi Nakazato, Masuhiko Mizuno, Tooru Yonechi, Yusuke Higo, Yoshiaki Kubo, Tokuyoshi Kono, Kenji Hiranuma
The aim of this study was to assess sciatic nerve conductivity in athletes with a history of hamstring strain injuries. Twenty-seven athletes with a history of hamstring strain injuries were included in the injured group. The control group consisted of 16 uninjured participants. We measured the proximal and distal latencies and calculated the sciatic nerve conduction velocity to evaluate neuronal conductivity. The results were expressed as median values and interquartile ranges. Both proximal latency and distal latency of the injured limb in the injured group were significantly longer than those of the uninjured limb (p<0...
October 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28884093/hamstring-injuries-update-article
#20
Lucio Ernlund, Lucas de Almeida Vieira
Hamstring (HS) muscle injuries are the most common injury in sports. They are correlated to long rehabilitations and have a great tendency to recur. The HS consist of the long head of the biceps femoris, semitendinosus, and semimembranosus. The patient's clinical presentation depends on the characteristics of the lesion, which may vary from strain to avulsions of the proximal insertion. The most recognized risk factor is a previous injury. Magnetic resonance imaging is the method of choice for the injury diagnosis and classification...
June 2017: Revista Brasileira de Ortopedia
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