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shoulder stability

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https://www.readbyqxmd.com/read/28549892/radial-head-arthroplasty-in-the-active-duty-military-service-member-with-minimum-2-year-follow-up
#1
John C Dunn, Nicholas A Kusnezov, Logan R Koehler, Emmanuel D Eisenstein, Kelly G Kilcoyne, Justin D Orr, Justin S Mitchell
PURPOSE: Radial head arthroplasty (RHA) is a viable treatment for complex radial head fracture. Whereas elbow stability and function is typically restored at short- to mid-term follow-up, the outcome in higher-demand populations is not well defined. We sought to characterize the functional and occupational outcomes following RHA in an active duty military population with intense upper extremity demands. METHODS: We retrospectively reviewed the records of all U.S...
May 24, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28545494/no-correlation-between-radiolucency-and-biomechanical-stability-of-keeled-and-pegged-glenoid-components
#2
Andreas Voss, Knut Beitzel, Elifho Obopilwe, Stefan Buchmann, John Apostolakos, Jessica Di Venere, Michael Nowak, Mark P Cote, Anthony A Romeo, Augustus D Mazzocca
BACKGROUND: The purpose of this study was to examine biomechanical properties and the degree of radiolucency of two cemented basic glenoid designs for total shoulder arthroplasty. Our hypothesis was that a component with increased micro-motion in the laboratory at time zero would also exhibit a greater amount of radiolucency in patients at a minimum of 2 years post total shoulder arthroplasty. METHODS: Thirty cadaveric shoulders were divided into 2 groups (keel vs...
May 25, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28538398/simultaneous-bilateral-midshaft-clavicle-fractures-with-unilateral-dislocation-of-the-acromioclavicular-joint-a-case-report
#3
Dong Dong, Mingyang Yu, Guishan Gu
RATIONALE: Simultaneous bilateral mid-clavicle fracture with unilateral dislocation of the acromioclavicular (AC) joint is an extremely rare injury combination. PATIENT CONCERNS: Herein, we report a case of polytrauma in a 42 years old female following a road traffic accident. DIAGNOSES: The radiographs showed the fractures in bilateral middle third of the clavicle and AC joint dislocation of left shoulder. INTERVENTIONS: The patient was treated with a 5-hole locking hook plate to stabilize the left AC joint and a shortly reconstruction plate to fix the left clavicle...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28529869/septic-arthritis-of-the-shoulder-with-proximal-humerus-osteomyelitis-treated-by-ilizarov-shoulder-arthrodesis
#4
John Kendall, Martin McNally
Septic arthritis of the shoulder can destroy the glenohumeral joint resulting in significant pain, instability and poor function. Surgical treatment is notoriously difficult with significant risk of complications. Shoulder arthrodesis has been performed using both internal and external fixation but has high complication rates in the presence of infection. We present our experience of managing a patient with significant pain and loss of function as a result of septic arthritis of the shoulder following infected proximal humeral fracture fixation with associated proximal humeral osteomyelitis...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28528237/skin-deformation-during-shoulder-movements-and-upper-extremity-activities
#5
Weiqing Ge, Alison Sfara, Brittany Hians
BACKGROUND: The necessity of sternal precautions for patients following cardiac surgery with median sternotomy has been questioned by clinicians, researchers, and even patients. The primary purpose was to determine if sternal skin deformation during shoulder movements and upper extremity activities is compressive or distractive and if there are any significant differences between the skin deformation at different positions during shoulder movements and upper extremity activities. The secondary purpose was to determine if sternal skin deformation is correlated with scapular stabilizer muscle strength...
May 12, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28522228/accessory-subscapularis-muscle%C3%A2-%C3%A2-a-forgotten-variation
#6
L A S Pires, C F C Souza, A R Teixeira, T F O Leite, M A Babinski, C A A Chagas
The quadrangular space is a space in the axilla bounded by the inferior margin of the teres minor muscle, the superior margin of the teres major muscle, the lateral margin of the long head of the triceps brachii muscle and the surgical neck of the humerus, medially. The axillary nerve (C5-C6) and the posterior circumflex humeral artery and veins pass through this space in order to supply their territories. The subscapularis muscle is situated into the scapular fossa and inserts itself into the lesser tubercle of the humerus, thus helping stabilize the shoulder joint...
May 15, 2017: Morphologie: Bulletin de L'Association des Anatomistes
https://www.readbyqxmd.com/read/28513278/infraspinatus-isolation-during-external-rotation-exercise-at-varying-degrees-of-abduction
#7
Gareth Ryan, Heather Johnston, Janice Moreside
CONTEXT: External rotation (ER) strengthening exercises are a common component of shoulder injury prevention and rehabilitation programs. They are primarily intended to target the infraspinatus muscle, based on its role in glenohumeral stabilization and inferior humeral glide. ER also recruits the posterior deltoid, which can be undesirable due to its role in subacromial space narrowing. OBJECTIVE: To determine the angle of humeral abduction that maximizes the infraspinatus to posterior deltoid activation ratio (INFRA/PD) during ER...
May 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28511611/arthroscopic-assisted-resection-of-triangular-fibrocartilage-complex-lesions-a-19-year-follow-up
#8
Endre Soreide, Jan-Ragnar Haugstvedt, Torstein Husby
BACKGROUND: This study assesses long-term functional and subjective outcomes following arthroscopic assisted resection of lesions of the triangular fibrocartilage complex (TFCC). METHODS: Functional and subjective outcomes were assessed based on review of patient charts for patient demographic characteristics, comprehensive clinical evaluation, obtained radiographs, and patient-reported questionnaires. RESULTS: Fifteen patients, of whom 9 were female, and 10 dominant wrists, were included in this study...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28510372/does-ferrule-effect-affect-implant-abutment-stability
#9
Maryam Mohajerfar, Elaheh Beyabanaki, Allahyar Geramy, Hakimeh Siadat, Marzieh Alikhasi
PURPOSE: This study investigated the influence of placing implant-supported crowns on the torque loss of the abutment screw before and after loading. MATERIAL AND METHODS: Twenty implant-abutment assemblies were randomly assigned to two groups. The first group was consisted of abutments with abutment-level finishing line (abutment-level), and in the second group the crown margin was placed on the implant shoulder (implant-level). Initial torque loss was recorded for all specimens...
December 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/28509584/the-influence-of-the-crutch-setup-on-stability-and-weight-bearing-parameters-in-post-total-hip-replacement-surgery-patients-during-quiet-standing
#10
Francesco Esposito, Marco Freddolini, Leonardo Latella, Palmina Braccio, Massimiliano Marcucci, Andrea Corvi
PURPOSE: The purpose of this study is to evaluate the influence of the crutch setup on standing, in post total hip replacement (THR) surgery patients. MATERIALS AND METHODS: Thirty patients after THR were randomly assigned to walking with the elbow flexed (EF) or elbow straight (ES) crutch setup. Subjects were asked to stand on a force platform in a comfortable position with the crutch positioned on the unaffected side, facing forward for 10 seconds. Centre of pressure total path and maximal excursion were evaluated in both medio-lateral and anterior-posterior planes...
May 16, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28508008/the-coracoacromial-ligament-anatomy-function-and-clinical-significance
#11
Adam Rothenberg, Gregory Gasbarro, Jesse Chlebeck, Albert Lin
The coracoacromial ligament (CAL) was first described as a pain generator by Dr Charles Neer in the early 1970s. Since that time, considerable controversy regarding CAL management during acromioplasty has persisted. This review aims to better understand the role of the CAL in shoulder physiology and pathology. Sixty-six articles from 1958 to 2016 were identified using an electronic search of PubMed, Cochrane Library, AccessMedicine, and MD Consult for case series as well as cohort and prospective studies. The authors used "coracoacromial ligament" and "coracoacromial veil" as medical subject headings (MeSH)...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28507972/bilateral-coracoid-avulsion-fractures-with-unilateral-anterior-instability-with-glenoid-bone-loss-use-of-avulsed-fragment-for-reconstruction-of-glenoid
#12
Prateek Kumar Gupta, Ashis Acharya, Amit Mourya
INTRODUCTION: Coracoid fractures are often missed since the fracture is not visualized in a routine anteroposterior view of the shoulder and special views are not ordered. Shoulder dislocation is common but it is rare to have a dislocation with a coracoid fracture. The purpose of this paper is to present the rare occurrence of bilateral coracoid fractures in a patient with unilateral anterior shoulder instability managed using the same fractured coracoid fragment by the latarjet procedure...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28476626/nile-red-fluorescence-spectrum-decomposition-enables-rapid-screening-of-large-protein-aggregates-in-complex-biopharmaceutical-formulations-like-influenza-vaccines
#13
Ziya Sahin, Senem Akkoc, Ronald Neeleman, Jonathan Haines, Veysel Kayser
The extensive presence of large (high molecular weight) protein aggregates in biopharmaceutical formulations is a concern for formulation stability and possibly safety. Tests to screen large aggregate content in such bioformulations are therefore needed for rapid and reliable quality control in industrial settings. Herein, non-commercial seasonal influenza split-virus vaccine samples, produced using various strains and extracted from selected industrial processing steps, were used as model complex bioformulations...
May 2, 2017: Vaccine
https://www.readbyqxmd.com/read/28474965/the-effect-of-subcritical-bone-loss-and-exposure-on-recurrent-instability-after-arthroscopic-bankart-repair-in-intercollegiate-american-football
#14
Jonathan F Dickens, Brett D Owens, Kenneth L Cameron, Thomas M DeBerardino, Brendan D Masini, Karen Y Peck, Steven J Svoboda
BACKGROUND: There is no consensus on the optimal method of stabilization (arthroscopic or open) in collision athletes with anterior shoulder instability. PURPOSE: To examine the effect of "subcritical" bone loss and football-specific exposure on the rate of recurrent shoulder instability after arthroscopic stabilization in an intercollegiate American football population. STUDY DESIGN: Case-control study; Level of evidence, 3. METHODS: Fifty intercollegiate football players underwent primary arthroscopic stabilization for anterior shoulder instability and returned to football for at least a single season...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28471987/pulled-out-locking-screw-re-screwed-spontaneously-in-anterior-cervical-decompression-and-fusion-with-the-zero-profile-implant-system-a-case-report
#15
Yi Yang, Lingli Li, Litai Ma, Junfeng Zeng, Tingkui Wu, Hao Liu
RATIONALE: The zero-profile, standalone device (Zero-P, Synthes GmbH, Switzerland) has been reported to be an effective and safe treatment method with similar clinical outcomes compared with plate. Instrumental complications concerning Zero-P have been little reported. Considering the rarity, we present this amazing case to share with our spinal surgeons and instrument specialists. PATIENT CONCERNS: A 46-year-old man patient presented to our hospital with neck and shoulders pain for 23 years, numbness and weak-ness of right hand for 6 months...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28460708/shoulder-pain-in-adolescent-athletes-prevalence-associated-factors-and-its-influence-on-upper-limb-function
#16
Valéria M A de Oliveira, Ana C R Pitangui, Mayra R A Gomes, Hítalo A da Silva, Muana H P Dos Passos, Rodrigo C de Araújo
BACKGROUND: Sports that require the constant use of an upper limb demand the maximum kinetic chain efficiency in this segment. Immaturity of the musculoskeletal system, followed by failure in motor skills can expose adolescents to major reports of pain complaints, particularly for the shoulder. OBJECTIVE: To evaluate the prevalence of shoulder pain in adolescent athletes and identify possible factors associated with the complaint. METHOD: A total of 310 athletes, of both sexes and aged between 10 and 19 years old participated on this study...
March 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28455478/early-migration-of-a-partially-cemented-fluted-glenoid-component-inserted-using-a-cannulated-preparation-system
#17
D Nuttall, A Birch, J F Haines, A C Watts, I A Trail
AIMS: Radiostereometric analysis (RSA) allows an extremely accurate measurement of early micromotion of components following arthroplasty. PATIENTS AND METHODS: In this study, RSA was used to measure the migration of 11 partially cemented fluted pegged glenoid components in patients with osteoarthritis who underwent total shoulder arthroplasty using an improved surgical technique (seven men, four women, mean age 68). Patients were evaluated clinically using the American Shoulder and Elbow Surgeons (ASES) and Constant-Murley scores and by CT scans two years post-operatively...
May 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28451607/outcomes-after-arthroscopic-bankart-repair-in-adolescent-athletes-participating-in-collision-and-contact-sports
#18
Michael G Saper, Charles Milchteim, Robert L Zondervan, James R Andrews, Roger V Ostrander
BACKGROUND: Literature on arthroscopic stabilization in adolescent patients participating in collision and contact sports is limited, as most studies include adolescents within a larger sample group comprised primarily of adults. PURPOSE: To review the outcomes of arthroscopic Bankart repair for anterior shoulder instability in an adolescent population participating in collision and contact sports. STUDY DESIGN: Case series; Level of evidence, 4...
March 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28450792/long-term-outcomes-of-the-bankart-and-latarjet-repairs-a-systematic-review
#19
Natalie C Rollick, Yohei Ono, Hafeez M Kurji, Atiba A Nelson, Richard S Boorman, Gail M Thornton, Ian Ky Lo
The most common surgical techniques for the treatment of recurrent anterior shoulder instability include the arthroscopic Bankart repair, the open Bankart repair and the open Latarjet procedure. The purpose of this study was to evaluate and compare the long-term outcomes following these procedures. A systematic review of modern procedures with a minimum follow-up of 5 years was completed. The objective outcome measures evaluated were post-operative dislocation and instability rate, the Rowe score, radiographic arthritis and complications...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28449618/telerehabilitation-after-arthroscopic-subacromial-decompression-is-effective-and-not-inferior-to-standard-practice-preliminary-results
#20
Jose Manuel Pastora-Bernal, Rocío Martín-Valero, Francisco Javier Barón-López, Noelia Guerrero Moyano, María-José Estebanez-Pérez
Background Telerehabilitation promises to improve quality, increase patient access and reduce costs in health care. Physiotherapy with exercises is generally recommended to restore function after surgery in patients with chronic subacromial syndrome. Relatively few studies have investigated the feasibility of telerehabilitation interventions in musculoskeletal and orthopaedic disorders. The aim of this study was to evaluate the feasibility and effectiveness of a customizable telerehabilitation intervention and compare with traditional care...
January 1, 2017: Journal of Telemedicine and Telecare
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