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https://www.readbyqxmd.com/read/29443703/the-thrower-s-shoulder
#1
Jonathan D Gelber, Lonnie Soloff, Mark S Schickendantz
Overhead athletes subject their shoulders to extreme repetitive torque, compression, distraction, and translation stresses, resulting in adaptive changes of the soft tissues and osseous structures within and around the glenohumeral joint. These anatomic adaptations result in biomechanical enhancements, which improve performance. Understanding the difference between necessary and adaptive changes and pathologic findings is critical when making treatment decisions. Injuries to the shoulder of the overhead athlete can be generally classified into three groups: internal impingement, internal impingement with acquired secondary anterior instability, and primary anterior or multidirectional instability...
February 13, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29430395/anterior-capsule-reconstruction-technique-with-an-acellular-dermal-allograft
#2
Adam Kwapisz, John M Tokish
An irreparable subscapularis may have a debilitating influence on glenohumeral joint biomechanics. Traditional treatment approaches are focused on tendon transfers, among which the most popular are pectoralis major and latissimus dorsi transfers. However, these techniques present significant retear rates, possible nerve injuries, and altered biomechanics. Other techniques like tibialis anterior or iliotibial autograft grafting also have many reported failures. We describe an all-arthroscopic anterior capsule reconstruction technique with an acellular dermal graft...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29430393/arthroscopic-posterior-glenoid-fracture-fixation-using-knotless-suture-anchors
#3
Jonathan A Baxter, James Tyler, Nivander Bhamber, Magnus Arnander, Eyiyemi Pearse, Duncan Tennent
Shoulder instability after a posterior glenoid rim fracture is rare and potentially difficult pathology to treat. Operative techniques often involve a large dissection to view the fragments resulting in local soft tissue injury. Internal fixation is often achieved with interfragmentary screws; however, this may not be possible with small or multifragmentary fracture patterns. We describe an arthroscopic technique for posterior glenoid rim fracture fixation using knotless suture anchors. These anchors can be inserted without cannulas allowing easier access to the posterior glenoid...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29429562/evaluation-of-the-translation-distance-of-the-glenohumeral-joint-and-the-function-of-the-rotator-cuff-on-its-translation-a-cadaveric-study
#4
Yusuke Kawano, Noboru Matsumura, Akihiko Murai, Mitsunori Tada, Morio Matsumoto, Masaya Nakamura, Takeo Nagura
PURPOSE: To evaluate the distance and position of humeral head translation during glenohumeral motion and to investigate the function of the rotator cuff in glenohumeral translation. METHODS: Using 9 cadavers, glenohumeral translation during passive pendulum motion was tracked by an optical motion capture system. Tension was applied to 5 compartments of the rotator cuff muscles, and 7 different conditions of rotator cuff dysfunction were sequentially simulated. Three-dimensional glenohumeral structure was reconstructed from the computed tomography images of the specimens, and the distance and position of glenohumeral translation were compared among the conditions...
February 8, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29428827/anterior-subluxation-of-the-glenohumeral-joint-during-hyperextension
#5
Kazuaki Suzuki, Junichirou Hamada, Yoshihiro Hagiwara
No abstract text is available yet for this article.
February 7, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29411320/the-role-of-tendon-transfers-for-irreparable-rotator-cuff-tears
#6
REVIEW
Nicholas J Clark, Bassem T Elhassan
PURPOSE OF REVIEW: This review aims to describe the tendon transfer options for treating irreparable rotator cuff tears (RCTs). Options for transfer include latissimus dorsi and lower trapezius transfers for posterior-superior RCTs and pectoralis major and latissimus dorsi transfer for anterior-superior RCTs. RECENT FINDINGS: While the latissimus dorsi tendon transfer has historically been performed for posterosuperior RCTs, the lower trapezius transfer is a more anatomic option and has demonstrated promising results in recent studies...
February 6, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29408642/comparative-outcomes-of-extracorporeal-shockwave-therapy-for-shoulder-tendinitis-or-partial-tears-of-the-rotator-cuff-in-athletes-and-non-athletes-retrospective-study
#7
Wen-Yi Chou, Ching-Jen Wang, Kuan-Ting Wu, Ya-Ju Yang, Jai-Hong Cheng, Shih-Wei Wang
BACKGROUND: Refractory shoulder tendinitis or partial thickness rotator cuff tears (PTRCTs) are common findings in overhead athletes. Previous studies have examined the effectiveness of extracorporeal shockwave therapy (ESWT) for shoulder tendinitis. MATERIALS AND METHODS: In the current study, we recruited 36 shoulders and performed a comparison between the professional athletes (13 shoulders, athletic group; AG) and the non-athletic population (23 shoulders, non-athletic group, NAG) with PTRCTs or shoulder tendinitis of the shoulder after ESWT...
February 2, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29404856/analysis-and-fem-simulation-methodology-of-dynamic-behavior-of-human-rotator-cuff-in-repetitive-routines-musician-case-study
#8
Manuel Islan, Fernando Blaya, Pilar San Pedro, Roberto D'Amato, Emilio Lechosa Urquijo, Juan Antonio Juanes
The majority of musculoskeletal injuries located in the shoulder are often due to repetitive or sustained movements that occur in work routines in different areas. In the case of musicians, such as violinists, who have long and daily training routines, the repetitive movements they perform are forced and sometimes the postures are not natural. Therefore, this article aims to study and simulate the dynamic behavior of the glenohumeral joint under repetitive conditions that represent the different postures assumed by a violinist during his daily training...
February 5, 2018: Journal of Medical Systems
https://www.readbyqxmd.com/read/29381423/glenohumeral-internal-rotation-deficit-and-risk-of-upper-extremity-injury-in-overhead-athletes-a-meta-analysis-and-systematic-review
#9
Robert A Keller, Anthony F De Giacomo, Julie A Neumann, Orr Limpisvasti, James E Tibone
CONTEXT: Current perception dictates that glenohumeral internal rotation deficit (GIRD) is a chronic adaptation that leads to an increased risk of pathologic conditions in the dominant shoulder or elbow of overhead athletes. OBJECTIVE: To determine whether adaptations in glenohumeral range of motion in overhead athletes lead to injuries of the upper extremity, specifically in the shoulder or elbow. DATA SOURCES: An electronic database search was performed using Medline, Embase, and SportDiscus from 1950 to 2016...
January 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29380101/mr-arthrographic-demonstration-of-an-unusual-multiplication-anomaly-concerning-the-glenohumeral-ligaments
#10
Hayri Ogul
The glenohumeral ligaments (GHLs), localized thickenings of the anterior joint capsule, are important passive stabilizers of the shoulder joint. A 29-year-old man was admitted for evaluation of left shoulder pain. The conventional magnetic resonance (MR) imaging showed a thickened anterior labroligamentous complex. MR arthrography revealed a multiplication anomaly of all the GHLs. The purpose of this study was to demonstrate the MR arthrography findings of this unusual anatomic variation of the GHLs.
January 29, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29379707/arthroscopic-coracohumeral-ligament-release-for-patients-with-frozen-shoulder
#11
Yoshihiro Hagiwara, Akira Ando, Kenji Kanazawa, Masashi Koide, Takuya Sekiguchi, Junichiro Hamada, Eiji Itoi
Arthroscopic pancapsular release has been recommended for recalcitrant frozen shoulder, but regaining range of motion has not been sufficient compared with the unaffected side. There is no consensus about the reasons for these remaining restrictions in range of motion, but residual capsular or connective tissue must be considered a candidate. A thickened coracohumeral ligament at the rotator interval has been reported as one of the most specific manifestations of frozen shoulder. It covers wider portions of the subscapularis tendon, supraspinatus tendon, and infraspinatus tendon than previously reported...
January 2018: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29373801/long-term-clinical-outcomes-after-microfracture-of-the-glenohumeral-joint-average-10-year-follow-up
#12
Kevin C Wang, Rachel M Frank, Eric J Cotter, Annabelle Davey, Maximilian A Meyer, Charles P Hannon, Timothy Leroux, Anthony A Romeo, Brian J Cole
BACKGROUND: Microfracture is an effective surgical treatment for full-thickness cartilage defects of the knee; however, little is known regarding long-term outcomes after microfracture in the shoulder. PURPOSE: To present long-term clinical outcomes of patients undergoing microfracture of full-thickness articular cartilage defects of the glenohumeral joint. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Sixteen consecutive patients (17 shoulders) were retrospectively reviewed who underwent arthroscopic microfracture of the humeral head and/or glenoid surface, with or without additional procedures between 2001 and 2008 and with a minimum follow-up of 8...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29370856/ultrasonography-and-magnetic-resonance-imaging-changes-in-patients-with-polymyalgia-rheumatica-treated-by-tocilizumab
#13
Anaïs Huwart, Florent Garrigues, Sandrine Jousse-Joulin, Thierry Marhadour, Dewi Guellec, Divi Cornec, Maelenn Gouillou, Alain Saraux, Valérie Devauchelle-Pensec
BACKGROUND: This study assessed inflammatory changes using ultrasound (US) and magnetic resonance imaging (MRI) in patients taking tocilizumab for polymyalgia rheumatica (PMR). METHODS: Eighteen patients were included in the prospective open-label TENOR study and received three tocilizumab infusions, without corticosteroids. B-mode and power Doppler US and MRI (T1 and T2-short time inversion recuperation weighted sequences) of the hips and shoulders were performed at weeks 0, 2, and 12...
January 25, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29361412/prevalence-of-propionibacterium-acnes-in-the-glenohumeral-compared-with-the-subacromial-space-in-primary-shoulder-arthroscopies
#14
Thilo Patzer, Sabine Petersdorf, Ruediger Krauspe, Pablo Emilio Verde, Birgit Henrich, Martin Hufeland
HYPOTHESIS: We hypothesized that the prevalence of Propionibacterium acnes in patients undergoing primary shoulder arthroscopy is equal in the glenohumeral space compared with the subacromial space. METHODS: Patients aged 18 years or older with shoulder arthroscopies were included. The exclusion criteria were prior shoulder operations, complete rotator cuff tears, systemic inflammatory diseases, tumors, shoulder injections within 6 months of surgery, and antibiotic therapy within 14 days preoperatively...
January 18, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29361375/arthroscopic-soft-tissue-interposition-arthroplasty-of-the-glenohumeral-joint-for-ochronotic-arthropathy-a-case-report
#15
Tundi T J Schouten, Rogier A Oldenburg, Paulien M van Kampen, Pol E Huijsmans
No abstract text is available yet for this article.
January 17, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29356622/evidence-based-review-of-clinical-diagnostic-tests-and-predictive-clinical-tests-that-evaluate-response-to-conservative-rehabilitation-for-posterior-glenohumeral-instability-a-systematic-review
#16
Jasdeep Dhir, Myles Willis, Lyn Watson, Lyndsay Somerville, Jackie Sadi
CONTEXT: Posterior glenohumeral instability is poorly understood and can be challenging to recognize and evaluate. Using evidence-based clinical and predictive tests can assist clinicians in appropriate assessment and management. OBJECTIVE: To review evidence-based clinical diagnostic tests for posterior glenohumeral instability and predictive tests that identify responders to conservative management. DATA SOURCES: A comprehensive electronic bibliographic search was conducted using Embase, Ovid MEDLINE, PEDro, and CINAHL databases from their date of inception to February 2017...
January 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29354480/an-all-arthroscopic-length-tensioned-suprapectoral-biceps-tenodesis-technique
#17
Allison J Rao, Eamon Bernardoni, Nikhil Verma, Scott Trenhaile
Biceps tenodesis remains a popular choice for treating anterior shoulder pain in the setting of primary biceps tendinitis or biceps pain due to concomitant glenohumeral joint pathology. A variety of surgical approaches and fixation construct options are available for biceps tenodesis. The advantages of an all-arthroscopic biceps tenodesis include anatomic maintenance of the length-tension relation with strength preservation and improved cosmetic results. This technique can be technically challenging but allows for a minimally invasive approach to anchor the biceps...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29354473/aquarium-portal-technique-for-pasta-lesion-repair
#18
Dominik C Meyer, Christian Gerber, Filippo Familiari
The simultaneous arthroscopic exposure of the subacromial and intra-articular space of the shoulder is challenging in the presence of only partial-thickness rotator cuff tears. We present our experience and method of entering the joint through the opened rotator cuff interval from an anterosuperior portal between the coracoid process and anterior acromion. With moderate (approximately 30°) abduction and external rotation, the rotator interval opens readily, offering a view with the camera toward the anterior edge of the supraspinatus tendon...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29354455/fresh-osteochondral-allograft-transplantation-for-focal-chondral-defect-of-the-humerus-associated-with-anchor-arthropathy-and-failed-slap-repair
#19
Kevin C Wang, Brian R Waterman, Eric J Cotter, Rachel M Frank, Brian J Cole
Isolated, full-thickness articular cartilage lesions of the glenohumeral joint can cause pain, mechanical symptoms, and impaired function. Reports on operative management of these injuries with arthroscopic techniques, such as marrow stimulation, have shown improvement in patient symptoms. In cases where the subchondral bone is involved, osteochondral allograft (OCA) transplantation has shown positive results for contained, focal cartilage defects. The technique for OCA transplantation to treat Hill-Sachs lesions has been reported in detail, and there are multiple case series reporting on the outcomes of OCA used for this purpose...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29354450/subpectoral-biceps-tenodesis-interference-screw-and-cortical-button-fixation
#20
Nicholas I Kennedy, Jonathan A Godin, Marcio B Ferrari, George Sanchez, Mark E Cinque, Zaamin B Hussain, Matthew T Provencher
Bicep tendon pathology often arises from chronic overuse injuries, acute trauma, or degenerative changes in the glenohumeral joint. These injuries can cause significant shoulder pain, and can greatly limit range of motion and, in turn, activities of daily living. The diagnosis of biceps pathologies can be challenging, because patients often present with nonspecific symptoms. Some bicep tendon pathologies may be treated nonoperatively; however, biceps tendon subluxation and the presence of rotator cuff or SLAP lesions require surgical management...
August 2017: Arthroscopy Techniques
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