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https://www.readbyqxmd.com/read/28219842/differences-in-the-activation-and-co-activation-ratios-of-the-four-subdivisions-of-trapezius-between-genders-following-a-computer-typing-task
#1
Kimberly A Szucs, Megan Molnar
The aim of this study was to provide a description of gender differences of the activation patterns of the four subdivisions of the trapezius (clavicular, upper, middle, lower) following a 60min computer work task. Surface EMG was collected from these subdivisions from 21 healthy subjects during bilateral arm elevation pre-/post- task. Subjects completed a standardized 60min computer work task at a standard, ergonomic workstation. Normalized activation and activation ratios of each trapezius subdivision were compared between genders and condition with repeated measures ANOVAs...
February 17, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28219656/ultrasound-abnormalities-in-septic-arthritis-are-associated-with-functional-outcomes
#2
Emeline Gaigneux, Grégoire Cormier, Stéphane Varin, Oriane Mérot, Yves Maugars, Benoit Le Goff
OBJECTIVES: To describe the ultrasound abnormalities seen in septic arthritis and to assess their associations with clinical, biological, and radiological outcomes METHODS: We prospectively included 34 patients with septic arthritis of a native joint (knee, n=19; shoulder, n=6; hip, n=4; ankle, n=3; or wrist, n=2). Ultrasonography was performed to record synovial-membrane thickness and vascularity, joint effusion, and abnormalities of adjacent soft tissues, at baseline then 4 days, 2 weeks, and 3 months later...
February 17, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28217660/reverse-total-shoulder-arthroplasty-research-models
#3
Stefano Petrillo, Umile Giuseppe Longo, Lawrence V Gulotta, Alessandra Berton, Andreas Kontaxis, Timothy Wright, Vincenzo Denaro
PURPOSE: the past decade has seen a considerable increase in the use of research models to study reverse total shoulder arthroplasty (RTSA). Nevertheless, none of these models has been shown to completely reflect real in vivo conditions. METHODS: we performed a systematic review of the literature matching the following key words: "reverse total shoulder arthroplasty" or "reverse total shoulder replacement" or "reverse total shoulder prosthesis" and "research models" or "biomechanical models" or "physical simulators" or "virtual simulators"...
October 2016: Joints
https://www.readbyqxmd.com/read/28215611/effectiveness-of-prolotherapy-in-the-treatment-of-chronic-rotator-cuff-lesions
#4
Mehmet Murat Seven, Omer Ersen, Serkan Akpancar, Huseyin Ozkan, Selim Turkkan, Yavuz Yıldız, Kenan Koca
BACKGROUND: Rotator cuff lesions are one of the major causes of shoulder pain and dysfunction. Numerous non-surgical treatment modalities have been described for chronic rotator cuff lesions, but the debate continues over the optimal procedure. The aim of this report is to present the results of prolotherapy in the treatment of chronic refractory rotator cuff lesions. HYPOTHESIS: Dextrose prolotherapy will reduce pain and improve shoulder function and patient satisfaction...
February 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28214173/pyrocarbon-interposition-shoulder-arthroplasty-preliminary-results-from-a-prospective-multicenter-study-at-2-years-of-follow-up
#5
Jérôme Garret, Arnaud Godeneche, Pascal Boileau, Daniel Molé, Mikael Etzner, Luc Favard, Christophe Levigne, François Sirveaux, Marc-Olivier Gauci, Charles Dezaly, Gilles Walch
BACKGROUND: The concept of free interposition arthroplasty proved successful for small joints of the hand, wrist, and foot, particularly after the use of implants coated with pyrocarbon, which enhanced their tribologic and elastic properties. The present study reports preliminary outcomes of a pyrocarbon-coated interposition shoulder arthroplasty (PISA) implant. METHODS: This was a prospective study of 67 consecutive patients who underwent shoulder PISA at 9 centers...
February 14, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28212263/shoulder-synovial-fluid-lipoprotein-levels-and-their-relationship-to-the-rotator-cuff
#6
Daniel E Davis, Alexa Narzikul, Daniel Sholder, Mark Lazarus, Surena Namdari, Joseph Abboud
INTRODUCTION: Rotator cuff pathology has been proposed to occur through intrinsic and extrinsic mechanisms. Hyperlipidemia has been proposed as a mechanism of intrinsic rotator cuff pathology. This prospective observational study evaluates serum and synovial lipid profiles in patients with and without rotator cuff tears to further define the relationship of cholesterol and rotator cuff pathology. METHODS: Patients were prospectively enrolled with intact rotator cuff (37 patients) and rotator cuff tear requiring a repair (40 patients) groups...
March 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28210654/postoperative-rehabilitation-after-rotator-cuff-repair-a-web-based-survey-of-aana-and-aossm-members
#7
Scott Mollison, Jason J Shin, Alexander Glogau, R Cole Beavis
BACKGROUND: Postoperative rehabilitation after arthroscopic rotator cuff repair (ARCR) remains controversial and suffers from limited high-quality evidence. Therefore, appropriate use criteria must partially depend on expert opinion. HYPOTHESIS/PURPOSE: The purpose of the study was to determine and report on the standard and modified rehabilitation protocols after ARCR used by member orthopaedic surgeons of the American Orthopaedic Society for Sports Medicine (AOSSM) and the Arthroscopy Association of North America (AANA)...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28210648/utilization-of-platelet-rich-plasma-for-musculoskeletal-injuries-an-analysis-of-current-treatment-trends-in-the-united-states
#8
Joanne Y Zhang, Peter D Fabricant, Chad R Ishmael, Jeffrey C Wang, Frank A Petrigliano, Kristofer J Jones
BACKGROUND: Platelet-rich plasma (PRP) has emerged as a popular biologic treatment for musculoskeletal injuries and conditions. Despite numerous investigations on the efficacy of PRP therapy, current utilization of this treatment within the United States is not widely known. PURPOSE: To investigate the national utilization of PRP, including the incidence and conditions for which it is used in the clinical setting, and to determine the current charges associated with this treatment...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28210065/the-effects-of-therapeutic-exercise-using-pnf-on-the-size-of-calcium-deposits-pain-self-awareness-and-shoulder-joint-function-in-a-calcific-tendinitis-patient-a-case-study
#9
Dong-Gun Oh, Kyung-Tae Yoo
[Purpose] The purpose of this case study was to identify the effects of independent and intensive therapeutic exercise using Proprioceptive neuromuscular facilitation on the size of calcium deposits, pain self-awareness, and shoulder joint function in a patient with calcific tendonitis. [Subject and Methods] The subject was a 42-year-old female patient with calcific tendonitis and acute pain who had difficulty with active movement and problems with general function. The independent and intensive Proprioceptive neuromuscular facilitation exercise was applied for 40 min twice a day five times a week for two weeks for a total of 20 times...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28209327/outcomes-of-total-shoulder-arthroplasty-in-patients-younger-than-65-years-a-systematic-review
#10
REVIEW
Troy A Roberson, Jared C Bentley, James T Griscom, Michael J Kissenberth, Stefan J Tolan, Richard J Hawkins, John M Tokish
BACKGROUND: Despite concerns about the longevity of total shoulder arthroplasty (TSA) in young patients, it remains an attractive option because of the absence of superior options. METHODS: A systematic review was performed using searches of PubMed, Embase, and Cochrane databases. English-language studies were identified with search terms "total shoulder arthroplasty" (title/abstract) or "shoulder replacement" (title/abstract) and "young" (title/abstract) or "under 65 years of age" (title/abstract)...
February 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28205145/is-reverse-total-shoulder-arthroplasty-a-feasible-treatment-option-for-failed-shoulder-arthroplasty-a-retrospective-study-of-44-cases-with-special-regards-to-stemless-and-stemmed-primary-implants
#11
M Holschen, B Franetzki, K-A Witt, D Liem, J Steinbeck
: Is reverse total shoulder arthroplasty a feasible treatment option for failed shoulder arthroplasty? A retrospective study of 44 cases with special regards to stemless and stemmed primary implants. BACKGROUND: Due to humeral or glenoid bone-loss and rotator cuff insufficiency reverse total shoulder arthroplasty often means the only remaining treatment option in revision shoulder arthroplasty. This study investigates the clinical outcome of patients treated with a reverse total shoulder in revision cases with special regard to stemless and stemmed primary implants...
February 15, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28203591/mean-glenoid-defect-size-and-location-associated-with-anterior-shoulder-instability-a-systematic-review
#12
Lionel J Gottschalk, Aaron J Bois, Marcus A Shelby, Anthony Miniaci, Morgan H Jones
BACKGROUND: There is a strong correlation between glenoid defect size and recurrent anterior shoulder instability. A better understanding of glenoid defects could lead to improved treatments and outcomes. PURPOSE: To (1) determine the rate of reporting numeric measurements for glenoid defect size, (2) determine the consistency of glenoid defect size and location reported within the literature, (3) define the typical size and location of glenoid defects, and (4) determine whether a correlation exists between defect size and treatment outcome...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28197695/rotational-glenohumeral-adaptations-are-associated-with-shoulder-pathology-in-professional-male-handball-players
#13
Przemyslaw Lubiatowski, Piotr Kaczmarek, Pawel Cisowski, Ewa Breborowicz, Monika Grygorowicz, Marcin Dzianach, Tomasz Krupecki, Lior Laver, Leszek Romanowski
PURPOSE: Glenohumeral range of motion adaptations may affect throwing athletes and contribute to shoulder injury. The purpose of this study was to evaluate shoulder rotation deficits among elite professional handball players and its correlation to the presence of shoulder pain and morphological changes. METHODS: Eighty-seven elite professional handball players and 41 healthy non-athlete volunteers participated in the study. Evaluations included measurement of range of internal and external rotation, total arch of motion, identification of shoulder pain and ultrasound scan for diagnosis of rotator cuff tears and internal impingement...
February 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28195985/prosthetic-joint-infections-in-patients-undergoing-carpal-tunnel-release
#14
Wenjing Zeng, Deborah Paul, Thomas Kemp, John Elfar
INTRODUCTION: Little information is available regarding the rate of prosthetic joint infections (PJIs) in patients undergoing carpal tunnel release (CTR) without antibiotic prophylaxis. Hand surgeons should be aware of patients' history of arthroplasty. METHODS: All patients who underwent CTR at our institution between 2012 and 2014 were identified and their charts were reviewed to identify those who had a history of total hip, knee, and/or shoulder arthroplasty...
March 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28195609/anatomical-relationship-of-the-axillary-nerve-to-the-pectoralis-major-tendon-insertion
#15
Brian Shiu, Ehsan Jazini, Astor Robertson, R Frank Henn, S Ashfaq Hasan
Axillary nerve injury is a risk of the deltopectoral approach to the proximal humerus. The anterior motor branch is potentially vulnerable during subdeltoid dissection. Insertion of the pectoralis major tendon is an easily identifiable landmark on the humerus. This anatomical study explored whether the superior aspect of the pectoralis major tendon is a useful landmark for localizing the anterior motor branch of the axillary nerve as it travels under the lateral and anterior deltoid muscle. A total of 30 fresh-frozen human bilateral cadaveric upper extremities were examined...
February 13, 2017: Orthopedics
https://www.readbyqxmd.com/read/28194508/open-reduction-and-internal-fixation-for-intraarticular-fracture-of-metacarpal-head
#16
Jun-Ku Lee, Yong-Gil Jo, Ji-Woong Kim, Yun Seong Choi, Soo-Hong Han
Intraarticular fracture of the metacarpophalangeal (MP) joint presents complex problems related to the sophisticated functional aspects of the hand. Injury to the metacarpal head may have a severe effect on hand function but few studies have investigated the management of this condition. In this study, we applied open reduction and internal fixation for the displaced fracture of the metacarpal head and report the clinical and radiographic outcomes of our experience. Thirteen patients (12 men, 1 woman; mean age 21 years) were included in this study, and medical records and radiographs were reviewed retrospectively...
February 13, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28193144/immediate-costs-of-mini-open-versus-arthroscopic-rotator-cuff-repair-in-an-asian-population
#17
Yik Jing Hui, Alex Quok An Teo, Siddharth Sharma, Bryan Hsi Ming Tan, V Prem Kumar
OBJECTIVE: While there has been increasing interest in minimally invasive surgery, the expenses incurred by patients undergoing this form of surgery have not been comprehensively studied. The authors compared the costs borne by patients undergoing arthroscopic rotator cuff repair with the standard mini-open repair at a tertiary hospital in an Asian population. PATIENTS AND METHODS: This was a retrospective cohort study. The authors studied the inpatient hospital bills of patients following rotator cuff tear repair between January 2010 and October 2014 via the hospital electronic medical records system...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28193139/the-relationship-between-radiological-alignment-of-united-distal-radius-fractures-and-functional-and-patient-perceived-outcomes-in-elderly-patients
#18
Erik Hohmann, Mahendrakumar Meta, Vasudev Navalgund, Kevin Tetsworth
PURPOSE: The purpose of this study was to investigate the relationship between radiological alignment and functional outcomes including strength, range of motion (ROM), and disabilities of the arm, shoulder, and hand (DASH) and patient-rated wrist evaluation (PRWE) scores in elderly patients with united distal radius fractures. METHODS: We reviewed 118 patients (mean age of 76.2 ± 9.5 years, mean follow-up 36.3 ± 17.6 months). Outcome measures included the DASH and PRWE scores, ROM, and grip and pinch strength were measured using a validated mobile hand-held dynamometer...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28191606/translation-and-cross-cultural-adaptation-of-the-shoulder-pain-and-disability-index-spadi-into-chinese
#19
Min Yao, Long Yang, Zuo-Yuan Cao, Shao-Dan Cheng, Shuang-Lin Tian, Yue-Li Sun, Jing Wang, Bao-Ping Xu, Xiao-Chun Hu, Yong-Jun Wang, Ying Zhang, Xue-Jun Cui
The aim of this study is to translate and cross-culturally adapt the Shoulder Pain and Disability Index (SPADI) for the Chinese language, and to evaluate its psychometric properties. The SPADI was translated and cross-culturally adapted for the Chinese language according to established guidelines. Participants completed the SPADI questionnaire, a visual analogue scale (VAS), and the 36-item short form health survey (SF-36), and were assessed using the Constant-Murley shoulder outcome score. Exploratory factor analysis was used to examine the latent dimensions, and Cronbach's α to measure internal consistency...
February 12, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28190669/insurance-status-affects-postoperative-morbidity-and-complication-rate-after-shoulder-arthroplasty
#20
Xinning Li, David R Veltre, Antonio Cusano, Paul Yi, David Sing, Joel J Gagnier, Josef K Eichinger, Andrew Jawa, Asheesh Bedi
BACKGROUND: Shoulder arthroplasty is an effective procedure for managing patients with shoulder pain secondary to end-stage arthritis. Insurance status has been shown to be a predictor of patient morbidity and mortality. The current study evaluated the effect of patient insurance status on perioperative outcomes after shoulder replacement surgery. METHODS: Data between 2004 and 2011 were obtained from the Nationwide Inpatient Sample. Analysis included patients undergoing shoulder arthroplasty (partial, total, and reverse) procedures determined by International Classification of Disease, 9th Revision procedure codes...
February 10, 2017: Journal of Shoulder and Elbow Surgery
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