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https://www.readbyqxmd.com/read/29778592/comparative-analysis-of-2-glenoid-version-measurement-methods-in-variable-axial-slices-on-3-dimensionally-reconstructed-computed-tomography-scans
#1
Gregory Cunningham, John Freebody, Margaret M Smith, Mohy E Taha, Allan A Young, Benjamin Cass, Bruno Giuffre
BACKGROUND: Most glenoid version measurement methods have been validated on 3-dimensionally corrected axial computed tomography (CT) slices at the mid glenoid. Variability of the vault according to slice height and angulation has not yet been studied and is crucial for proper surgical implant positioning. The aim of this study was to analyze the variation of the glenoid vault compared with the Friedman angle according to different CT slice heights and angulations. The hypothesis was that the Friedman angle would show less variability...
May 16, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29752051/effect-of-shoulder-model-complexity-in-upper-body-kinematics-analysis-of-the-golf-swing
#2
M Bourgain, S Hybois, P Thoreux, O Rouillon, P Rouch, C Sauret
The golf swing is a complex full body movement during which the spine and shoulders are highly involved. In order to determine shoulder kinematics during this movement, multibody kinematics optimization (MKO) can be recommended to limit the effect of the soft tissue artifact and to avoid joint dislocations or bone penetration in reconstructed kinematics. Classically, in golf biomechanics research, the shoulder is represented by a 3 degrees-of-freedom model representing the glenohumeral joint. More complex and physiological models are already provided in the scientific literature...
April 25, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29738101/evaluation-of-the-diagnostic-accuracy-of-skeletal-scintigraphy-in-lame-and-poorly-performing-sports-horses
#3
Laura E Quiney, Joanne L Ireland, Sue J Dyson
Skeletal scintigraphy is an established imaging modality, however, its validity as a diagnostic test in lame or poorly performing sports horses has not been determined. The objective of this retrospective cross-sectional analytical study was to determine the accuracy of skeletal scintigraphy as an indiscriminate screening test in sports horses. All sports horses that underwent scintigraphic examination between March 2008 and December 2014 for which a definitive diagnosis was reached were included. Examinations were evaluated blindly...
May 8, 2018: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29730136/a-simple-method-to-directly-evaluate-the-lateral-extension-of-the-acromion-an-anatomic-study-of-128-cadaveric-scapulae
#4
Trifon Totlis, Anirudh K Gowd, Eamon D Bernardoni, Brian J Cole, Nikhil N Verma, Konstantinos Natsis
BACKGROUND: The lateral extension of the acromion from the glenohumeral joint is the critical variable that both the acromial index and critical shoulder angle reflect. The purpose of this study was to establish a simple and reproducible method to directly measure the lateral extension of the acromion that will be independent of patient demographic characteristics, scapular rotation, or other morphologic features of the shoulder. METHODS: This study used 128 unpaired cadaveric scapulae with a mean age of 69...
May 2, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29724420/acr-appropriateness-criteria-%C3%A2-shoulder-pain-traumatic
#5
Behrang Amini, Nicholas M Beckmann, Francesca D Beaman, Daniel E Wessell, Stephanie A Bernard, R Carter Cassidy, Gregory J Czuczman, Jennifer L Demertzis, Bennett S Greenspan, Bharti Khurana, Kenneth S Lee, Leon Lenchik, Kambiz Motamedi, Akash Sharma, Eric A Walker, Mark J Kransdorf
Traumatic shoulder pain is pain directly attributed to a traumatic event, either acute or chronic. This pain may be the result of either fracture (the clavicle, scapula, or proximal humerus) or soft-tissue injury (most commonly of the rotator cuff, acromioclavicular ligaments, or labroligamentous complex). Imaging assessment of traumatic shoulder pain begins with conventional radiography and, depending on physical examination findings, will require MRI or MR arthrography for assessment of soft-tissue injuries and CT for delineation of fracture planes...
May 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29698293/can-shoulder-muscle-activity-be-evaluated-with-ultrasound-shear-wave-elastography
#6
Kwanwoo Kim, Hyun-Jung Hwang, Seul-Gi Kim, Jin-Hyuck Lee, Woong Kyo Jeong
BACKGROUND: Quantitative assessment of rotator cuff muscle activity is important in the treatment of shoulder disorders. However, the known methods for assessing rotator cuff muscle activity thus far have been inaccurate, invasive, and inconvenient. QUESTIONS/PURPOSES: (1) Does the activity of the deltoid, supraspinatus, and infraspinatus muscles measured using ultrasound shear wave elastography have a linear correlation with muscle activity assessed using generally used methods, including isokinetic dynamometry and electromyography? (2) Does the activity of the deltoid, supraspinatus, and infraspinatus muscles measured using shear wave elastography show good intraobserver and interobserver reliability? METHODS: Twelve volunteers participated in intrasession reliability experiments...
April 24, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29686485/a-pragmatic-regional-interdependence-approach-to-primary-frozen-shoulder-a-retrospective-case-series
#7
Christopher Kevin Wong, Bryanna L Strang, Galen A Schram, Elizabeth A Mercer, Rebecca S Kesting, Kabi S Deo
Objectives: Although the shoulder is known to move together with the scapula and other upper quarter joints, the current frozen shoulder clinical practice guidelines describe only physical therapy study treatments directed to the shoulder. None received a strong recommendation, highlighting the need for alternate interventions. This retrospective case series describes a pragmatic regional interdependence approach to frozen shoulder with impairment and functional outcomes, noting whether final ROM approached normal...
May 2018: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/29659313/shoulder-external-rotation-range-of-motion-and-pectoralis-minor-length-in-individuals-with-and-without-shoulder-pain
#8
Dayana P Rosa, Rodrigo V Santos, Vander Gava, John D Borstad, Paula R Camargo
BACKGROUND: There is evidence that pectoralis minor (PM) length influences scapula position and that scapula position relates to glenohumeral joint (GHJ) external rotation (ER) range of motion (ROM). OBJECTIVES: To explore the association between PM resting length and GHJ ER ROM in individuals with and without shoulder pain. The influence of GHJ ER ROM measurement position on this association was also evaluated. DESIGN: Cross-Sectional. METHODS: Fifty individuals (25 asymptomatic and 25 with shoulder pain) participated...
April 16, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29628714/a-case-report-on-partial-scapulectomy-with-glenoid-preservation-for-chondromyxoid-fibroma-of-scapula
#9
Naba Pallab Chetia, Aritra Bidyananda, Munin Borgohain
Chondromyxoid fibroma is a benign bone tumour accounting for less than 1% of all primary bone tumours. It usually affects the metaphyseal region of long bones in the first or second decade of life. It rarely occurs in scapula. We present a case of 29 year old female with biopsy proven Chondromyxoid fibroma of left scapula. She underwent wide marginal excision by partial scapulectomy with preservation of glenoid. Post operatively she has stable shoulder joint with normal range of movement & no recurrence on regular follow up...
March 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29623751/scapular-muscle-activity-during-static-yoga-postures
#10
Jaclyn N Chopp-Hurley, Courtney Prophet, Brynn Thistle, Jessica Pollice, Monica R Maly
Study Design Controlled laboratory study; cross-sectional. Background Despite the growing popularity of yoga, little is known about the muscle activity of the scapular stabilizers during isometric yoga postures and their potential utility in shoulder rehabilitation. Objectives To examine scapular stabilizer muscle activation during various yoga postures. Methods Twenty women with yoga experience and no shoulder pain or injury participated. Electromyography was used to record upper, middle and lower trapezius as well as serratus ante-rior muscle activity during 15 yoga postures...
April 6, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29619396/anthropometric-and-radiologic-measurements-of-coracoid-dimensions-and-clinical-implications-in-an-indian-population
#11
Deepak Joshi, Lalit Mohan Gupta, Milind Tanwar, Ajay Lal, Deepak Chaudhary
Background: Recurrent shoulder dislocation and anterior instability are most commonly attributed to pathology of the capsulolabral complex with the presence of bony loss at the humeral and glenoid surfaces. Unassessed bone loss has been a cause of failure of primary soft tissue procedures or recurrence of symptoms, despite adequate address of soft tissue pathology. Purpose: To study the anthropometric and radiologic dimensions of the coracoid in relation to glenoid bone loss, its adequacy in filling glenoid defects in an Indian population, and whether the choice of surgical technique (congruent arc vs classical) and graft positioning alters the surgical results...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29602634/scapular-kinematic-alterations-during-arm-elevation-with-decrease-in-pectoralis-minor-stiffness-after-stretching-in-healthy-individuals
#12
Jun Umehara, Masatoshi Nakamura, Satoru Nishishita, Hiroki Tanaka, Ken Kusano, Noriaki Ichihashi
BACKGROUND: Pectoralis minor tightness may be seen in individuals with scapular dyskinesis, and stretching is used for the treatment of altered scapular motion in sports and clinical fields. However, few researchers have reported on the effects of pectoralis minor stiffness on scapular motion during arm elevation. This study investigated whether an acute decrease of pectoralis minor stiffness after stretching changes the scapular motion during arm elevation. METHODS: The study allocated 15 dominant and 15 nondominant upper limbs in healthy men as control and interventional limbs, respectively...
March 27, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29600214/an-intramuscular-chondrolipoma-of-the-scapula-a-case-report-of-a-rare-tumor-in-an-unusual-location
#13
Ying-Cheng Huang, Shan-Wei Yang, Chun-Yu Chen, Jenn-Huei Renn
Introduction: Chondrolipomas are rare benign mesenchymal tumors primarily occurring in the shoulder region. To the best of our knowledge, only one case of chondrolipoma arising from the shoulder has been reported. We herein report an intramuscular chondrolipoma located in an unusual area of the scapula. Our case is interesting because magnetic resonance imaging (MRI) that shows lipomatous tumor masses with cartilaginous nodules may mislead surgeons into not considering the possibility of chondrolipomas...
November 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29581658/effect-of-interferential-current-therapy-on-forward-head-posture
#14
Ye-Jin Choi, Hee-Jung Kim, Sun-Young Han, Bo-Ram Choi
[Purpose] The purpose of this study was to examine the effects of interferential current therapy on the shoulder muscles of subjects with forward head posture. [Subjects and Methods] Thirty volunteers (15 forward head posture, 15 control) participated in this study. Interferential current therapy treatment was conducted for 10 min, three times per week, for 3 weeks on both the upper trapezius and levator scapulae. Subjects were measured anterior both acromion distance and posterior both acromial distance using a ruler, and the forward head posture angle using an electronic application...
March 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29580228/intra-and-interobserver-reliability-of-glenoid-fracture-classifications-by-ideberg-euler-and-ao
#15
F Gilbert, L Eden, R Meffert, F Konietschke, J Lotz, L Bauer, W Staab
BACKGROUND: Representing 3%-5% of shoulder girdle injuries scapula fractures are rare. Furthermore, approximately 1% of scapula fractures are intraarticularfractures of the glenoid fossa. Because of uncertain fracture morphology and limited experience, the treatment of glenoid fossa fractures is difficult. The glenoid fracture classification by Ideberg (1984) and Euler (1996) is still commonly used in literature. In 2013 a new glenoid fracture classification was introduced by the AO. The purpose of this study was to examine the new AO classification in clinical practice in comparison with the classifications by Ideberg and Euler...
March 27, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29577813/scapular-kinematics-during-scaption-in-competitive-swimmers
#16
Y Blache, B Gillet, J Selin, V Sevrez, I Rogowski
This study aimed (1) to describe and compare scapular kinematics between three groups of swimmers of different levels and a group of non-swimmers, and (2) to assess whether swimming practice alters the asymmetries in scapular kinematics between the dominant and non-dominant sides, both during unilateral arm raising and lowering in the scapular plane. Scapular kinematics were assessed bilaterally during arm raising and lowering in the scapular plane using an electromagnetic system in 42 healthy males, which were split into four groups: control (n = 11), adolescent elite swimmers (n = 11), adult elite swimmers (n = 10), and club-level adult swimmers (n = 10)...
March 24, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29572729/decision-making-for-complex-scapula-and-ipsilateral-clavicle-fractures-a-review
#17
REVIEW
Florian Hess, Ralph Zettl, Daniel Smolen, Christoph Knoth
INTRODUCTION: Complex scapula with ipsilateral clavicle fracures remains a challange and treatment recommendations are still missing.  This review provides an overview of the evolution of the definition, classification and treatment strategies for complex scapula and ipsilateral clavicle fractures. As with other rare conditions, consensus has not been reached on the most suitable management strategies to treat these patients. The aim of this review is twofold: to compile and summarize the currently available literature on this topic, and to recommend treatment approaches...
March 23, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29558162/the-integrity-of-the-acromioclavicular-capsule-ensures-physiological-centering-of-the-acromioclavicular-joint-under-rotational-loading
#18
Felix G E Dyrna, Florian B Imhoff, Andreas Voss, Sepp Braun, Elifho Obopilwe, John M Apostolakos, Daichi Morikawa, Brendan Comer, Andreas B Imhoff, Augustus D Mazzocca, Knut Beitzel
BACKGROUND: The acromioclavicular (AC) capsule is an important stabilizer against horizontal translation and also contributes to the strut function of the clavicle, which guides rotation of the scapula. To best reproduce the biomechanical properties and the complex 3-dimensional (3D) guidance of the AC joint, detailed knowledge of the contribution of each of the distinctive capsular structures is needed. Purpose/Hypothesis: To perform a detailed biomechanical evaluation of the specific capsular structures of the AC joint and their contribution to translational and rotational stability...
March 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29554550/scapular-kinematics-during-manual-wheelchair-propulsion-in-able-bodied-participants
#19
Michel J Bekker, Riemer J K Vegter, Jan W van der Scheer, Johanneke Hartog, Sonja de Groot, Wiebe de Vries, Ursina Arnet, Lucas H V van der Woude, Dirkjan H E J Veeger
BACKGROUND: Altered scapular kinematics have been associated with shoulder pain and functional limitations. To understand kinematics in persons with spinal cord injury during manual handrim wheelchair propulsion, a description of normal scapular behaviour in able-bodied persons during this specific task is a prerequisite for accurate interpretation. The primary aim of this study is to describe scapular kinematics in able-bodied persons during manual wheelchair propulsion. METHODS: Sixteen able-bodied, novice wheelchair users without shoulder complaints participated in the study...
March 14, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29538092/a-novel-treatment-for-a-rare-injury-pediatric-massive-intrasubstance-rotator-cuff-and-periscapular-muscle-tears-treated-with-a-custom-brace-a-case-report
#20
Molly K Lewis, Omar Ramos-Williams, Hasan M Syed, Theodore K Gregorius
CASE: A 9-year-old boy sustained intrasubstance tears of the rotator cuff and periscapular muscles due to a fall, resulting in scapular winging and severely decreased shoulder range of motion. Treatment consisted of a modified thoracolumbosacral orthosis (TLSO) with a shoulder immobilizer attachment (to reduce the scapula to the thoracic wall and hold the arm in 10° of abduction). The brace was worn for 8 weeks. The patient recovered full, pain-free shoulder function and range of motion, and returned to high-level athletics...
January 2018: JBJS Case Connector
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