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Scapula shoulder

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https://www.readbyqxmd.com/read/29329902/impact-of-vertical-and-horizontal-malrotation-on-measurements-of-anteroposterior-radiographs-of-the-scapula-need-for-standardized-images-in-modern-omometry
#1
Samy Bouaicha, Armando Hoch, Thorsten Jentzsch, Beat K Moor
BACKGROUND: An increasing number of parameters measured on anteroposterior radiographs are used for the evaluation of the bony geometry of the scapula. Inhomogeneous acquisition of images is common because of the lack of standardization in radiographic positioning. Images with malrotation around the horizontal axis of the scapula are particularly frequent. We hypothesized that malrotated images would result in large variations in measured radiographic parameters and that image standardization using qualitative and semiquantitative "omometric" criteria would decrease these variations in measurements...
January 9, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29325577/dynamic-kinematics-of-the-glenohumeral-joint-in-shoulders-with-rotator-cuff-tears
#2
Naoya Kozono, Takamitsu Okada, Naohide Takeuchi, Satoshi Hamai, Hidehiko Higaki, Takeshi Shimoto, Satoru Ikebe, Hirotaka Gondo, Yoshitaka Nakanishi, Takahiro Senju, Yasuharu Nakashima
BACKGROUND: No clear trend has emerged from the literature regarding three-dimensional (3D) translations of the humerus relative to the scapula in shoulders with rotator cuff tears (RCTs). The purpose of this study was to evaluate the kinematics of RCT shoulders using 3D-to-two-dimensional (2D) model-to-image registration techniques. METHODS: Dynamic glenohumeral kinematics during scapular plane abduction and axial rotation were analyzed in 11 RCT patients and 10 healthy control subjects...
January 11, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29305097/the-inter-teres-approach-to-glenoid-neck-fractures-an-alternative-approach-to-glenoid-fixation
#3
Carl W Jones, Vinu M George, Thin F Hong
BACKGROUND: Scapula fractures are rare injuries that are generally treated nonoperatively. When surgery is performed, it is commonly undertaken through the posterior approach, which can be invasive and unforgiving on the soft tissues. We describe an alternative safe approach between teres major and minor that remains deep to a fascial sling formed by the combined infraspinatus and teres minor fasciae and deep to the primary nerve to teres minor, which is a terminal branch of the axillary nerve...
January 2, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29246483/management-of-the-floating-shoulder-does-the-glenopolar-angle-influence-outcomes-a-systematic-review
#4
REVIEW
V M Morey, K H Z Chua, Z D Ng, H M B Tan, V P Kumar
INTRODUCTION: Currently there is no consensus on the optimal treatment of the "floating shoulder". We aim to perform a systematic review to determine outcomes in the management of this condition. MATERIALS AND METHODS: Studies related to the management of the "floating shoulder" were identified by a review of medline using platform Pubmed/Ovid, Scopus and Cochrane library data bases. Studies were included if they: (1) are published in the English language and (2) reported outcomes of at least 2 or more cases of floating shoulder injuries using at least one objective shoulder scoring system...
December 12, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29245139/scapular-focused-exercise-treatment-protocol-for-shoulder-impingement-symptoms-three-dimensional-scapular-kinematics-analysis
#5
Gisele Harumi Hotta, Adriane Lopes Santos, Kevin James McQuade, Anamaria Siriani de Oliveira
BACKGROUND: The present study aimed to describe the effects of a periscapular strengthening and neuromuscular training protocol in three-dimensional scapular kinematics and resting positioning in participants with shoulder impingement symptoms. Self-reported function was also evaluated. METHOD: The study group comprised 50 subjects with shoulder impingement syndrome (control group, n=25; treatment group, n=25). The treatment group underwent 8weeks of neuromuscular training and periscapular strengthening...
December 11, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29244663/scapular-winging-caused-by-combined-palsy-of-the-spinal-accessory-nerve-and-the-long-thoracic-nerve-a-case-report
#6
Kentaro Ago, Noboru Matsumura, Takuji Iwamoto, Kazuki Sato, Masaya Nakamura, Morio Matsumoto
CASE: A 37-year-old man with scapular winging, caused by combined palsy of the spinal accessory nerve and the long thoracic nerve, was successfully treated with a pectoralis major transfer to substitute for the serratus anterior muscle, and with levator scapulae and rhomboid muscle transfers to substitute for the trapezius muscle. CONCLUSION: The serratus anterior paralysis was thought to have occurred secondary to traction of the long thoracic nerve by the unsupported scapula following the spinal accessory nerve palsy...
April 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29237578/the-effectiveness-of-exercise-therapy-on-scapular-position-and-motion-in-individuals-with-scapular-dyskinesis-systematic-review-protocol
#7
Afsun Nodehi Moghadam, Kianoush Abdi, Mohsen Shati, Shohreh Noorizadeh Dehkordi, Abbas Ali Keshtkar, Zahra Mosallanezhad
BACKGROUND: Scapular dyskinesis is an alteration in normal scapular position and motion. Some researchers believe that altered kinematics of the scapula subsequent to dysfunction or weakness of scapular stabilizing muscles contributes to impingement syndrome. Scapular muscle exercises are included in the rehabilitation of patients with subacromial impingement syndrome and scapular dyskinesis because the muscular system is one of the major contributors of scapular positioning both at rest and during shoulder movement, but there is considerable uncertainty relating to the relative effectiveness of such approaches on changing scapular position and motion...
December 13, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29234550/a-unique-case-of-melorheostosis-presenting-with-two-radiologically-distinct-lesions-in-the-shoulder
#8
Ahmed A Elsheikh, Rohan S Pinto, Alpesh Mistry, Simon P Frostick
Melorheostosis is a rare, nonhereditary, benign, mesenchymal condition of unknown aetiology affecting the bones and surrounding tissues. A male patient complaining of left shoulder pain, swelling, and mildly limited range of motion has an exclusive combination of the classic dripping wax lesion in the scapula and the myositis ossificans-like lesion in the deltoid muscle; this combination is the first to be reported in the shoulder. Both lesions showed typical findings of melorheostosis in radiographs, CT, MRI, and bone scan...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29229406/validation-of-single-plane-fluoroscopy-and-2d-3d-shape-matching-for-quantifying-shoulder-complex-kinematics
#9
Rebekah L Lawrence, Arin M Ellingson, Paula M Ludewig
Fluoroscopy and 2D/3D shape-matching has emerged as the standard for non-invasively quantifying kinematics. However, its accuracy has not been well established for the shoulder complex when using single-plane fluoroscopy. The purpose of this study was to determine the accuracy of single-plane fluoroscopy and 2D/3D shape-matching for quantifying full shoulder complex kinematics. Tantalum markers were implanted into the clavicle, humerus, and scapula of four cadaveric shoulders. Biplane radiographs were obtained with the shoulder in five humerothoracic elevation positions (arm at the side, 30°, 60°, 90°, maximum)...
December 8, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29224907/quantitative-postural-analysis-of-children-with-congenital-visual-impairment
#10
Michelle de Pádua, Juliana F Sauer, Silvia M A João
OBJECTIVES: The aim of this study was to compare the postural alignment of children with visual impairment with that of children without visual impairment. METHODS: The sample studied was 74 children of both sexes ages 5 to 12 years. Of these, 34 had visual impairment and 40 were control children. Digital photos from the standing position were used to analyze posture. Postural variables, such as tilt of the head, shoulder position, scapula position, lateral deviation of the spine, ankle position in the frontal plane and head posture, angle of thoracic kyphosis, angle of lumbar lordosis, pelvis position, and knee position in the frontal and sagittal planes, were measured with the Postural Assessment Software 0...
December 7, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29219854/reconstruction-of-the-scapula-in-pediatric-and-adolescent-patients-after-total-scapulectomy-a-report-of-10-patients-treated-by-extracorporeal-irradiation-and-reimplantation-of-the-scapula
#11
Ahmed M El Ghoneimy, Mohamed S Zaghloul, Iman Zaky, Hala Taha, Ahmed Elgammal, Magdy El Sherbiny, Nehal Kamal
BACKGROUND: Ewing sarcoma of the scapula is uncommon. Restoration of shoulder function after total scapulectomy is challenging. Extracorporeal irradiation and reimplantation is a well-known method of biological reconstruction in orthopaedic oncology; yet very few reports in the literature describe its specific use in tumors of the scapula. PATIENTS AND METHODS: Ten patients with the diagnosis of Ewing sarcoma of the scapula were surgically treated by total scapulectomy and extracorporeal irradiation and reimplantation of the scapula...
December 6, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29205214/biomechanics-of-the-shoulder-girdle-a-case-study-on-the-effects-of-union-rugby-tackles
#12
Luís Faria, Bárbara Campos, Renato Natal Jorge
PURPOSE: The shoulder girdle is a complex system, comprised by a kinematic chain and stabilizers. Due to the delicate equilibrium and synchronism between mobility and stability, high external loads may compromise its physiology, increasing the risk of injuries. Thus, this study intends to fully characterize the effects of a rugby tackle on the shoulder's anatomy and physiology. METHODS: For the experimental procedures, a matrix of pressure sensors was used, based on the Teckscan® pressure in-soles, force plates, an isokinetic dynamometer and sEMG (surface electromyography)...
2017: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29193070/development-of-the-human-shoulder-joint-during-the-embryonic-and-early-fetal-stages-anatomical-considerations-for-clinical-practice
#13
Fidel Hita-Contreras, Indalecio Sánchez-Montesinos, Antonio Martínez-Amat, David Cruz-Díaz, Rafael J Barranco, Olga Roda
Although several studies have been published regarding the morphology and anatomical variations of the human shoulder joint, most have dealt with adult individuals. Those looking into the development of the joint have been focused on specific structures or have observed specimens in advanced gestational stages. The goal of this paper is to perform a complete analysis of the embryonic and early fetal development of the elements in the shoulder joint, and to clarify some contradictory data in the literature. In our study, serial sections of 32 human embryos (Carnegie stages 16-23) and 26 fetuses (9-13 weeks) were analyzed...
November 28, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/29188140/forelimb-muscle-and-joint-actions-in-archosauria-insights-from-crocodylus-johnstoni-pseudosuchia-and-mussaurus-patagonicus-sauropodomorpha
#14
Alejandro Otero, Vivian Allen, Diego Pol, John R Hutchinson
Many of the major locomotor transitions during the evolution of Archosauria, the lineage including crocodiles and birds as well as extinct Dinosauria, were shifts from quadrupedalism to bipedalism (and vice versa). Those occurred within a continuum between more sprawling and erect modes of locomotion and involved drastic changes of limb anatomy and function in several lineages, including sauropodomorph dinosaurs. We present biomechanical computer models of two locomotor extremes within Archosauria in an analysis of joint ranges of motion and the moment arms of the major forelimb muscles in order to quantify biomechanical differences between more sprawling, pseudosuchian (represented the crocodile Crocodylus johnstoni) and more erect, dinosaurian (represented by the sauropodomorph Mussaurus patagonicus) modes of forelimb function...
2017: PeerJ
https://www.readbyqxmd.com/read/29179028/kinematic-analysis-of-scapular-movements-in-patients-with-facioscapulohumeral-muscular-dystrophy
#15
C Savcun Demirci, E Turgut, E Ayvat, Ö Onursal, F Ayvat, T I Yıldız, I Düzgün, M Kılınç, S Aksu Yıldırım
The purpose of this study is to evaluate scapular movements by the three-dimensional electromagnetic system during shoulder elevation in FSHMD patients, and to compare the results with healthy individuals. 10 patients with FSHMD and 10 healthy individuals were included in the study. Scapular anterior-posterior tilt, upward-downward rotation and internal-external rotation at 30°, 60° and 90° were evaluated using the three-dimensional electromagnetic system during the elevation of the upper limbs in the scapular plane...
November 14, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29141513/alternative-scapular-stabilization-exercises-to-target-strength-endurance-and-function-of-shoulders-in-tetraplegia-a-prospective-non-controlled-intervention-study
#16
Carolina Lins, Alex Castro, Giovanna I S Medina, Eliza R F B M Azevedo, Bruno S Donato, Marina S S Chagas, Janaína Roland Tancredo, Letícia Vargas de Almeida, Alberto Cliquet
OBJECTIVE: Scapular stabilization exercises (SSE) are well-established for the able-bodies. The aim of the current study is to access the potential benefits of SSE on isometric internal and external rotator strength, endurance and function of the shoulder in persons with tetraplegia, throughout a 12-week exercise program consisting of five resisted movements with elastic bands. DESIGN: Prospective non-controlled intervention study. Setting/Participants/Interventions: A convenience sample of 17 subjects (age, 40...
November 16, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29106650/selective-cervical-denervation-for-cervical-dystonia-modification-of-the-bertrand-procedure
#17
Thomas J Wilson, Robert J Spinner
BACKGROUND: Cervical dystonia, commonly referred to as spasmodic torticollis, is a neurological disorder characterized by aberrant, involuntary contraction of the muscles of the neck and shoulders. One surgical option that can be considered is selective cervical denervation. OBJECTIVE: To report our modification of the Bertrand procedure for selective cervical denervation. METHODS: Our modification of the Bertrand procedure for selective cervical denervation is reported with intraoperative photographs and schematic depictions of the operative steps...
July 6, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29100772/the-effect-of-scapula-tilt-and-best-fit-circle-placement-when-measuring-glenoid-bone-loss-in-shoulder-instability-patients
#18
Philipp Moroder, Fabian Plachel, Anna Huettner, Lukas Ernstbrunner, Marvin Minkus, Elisabeth Boehm, Christian Gerhardt, Markus Scheibel
PURPOSE: To analyze the effect of lack of standardization on the reliability of current measurement techniques for glenoid bone loss in clinical practice. METHODS: Ten consecutive patients with anterior glenoid bone loss due to recurrent anterior shoulder instability and available computed tomographic (CT) scans of the affected shoulder were included in this study. One hundred seventy 3-dimensional en-face view images of the 10 glenoids with up to 20° degrees of tilt in the anterior, posterior, superior, and inferior direction were rendered...
October 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29098355/superior-glenoid-inclination-and-glenoid-bone-loss-definition-assessment-biomechanical-consequences-and-surgical-options
#19
REVIEW
L Favard, J Berhouet, G Walch, J Chaoui, C Lévigne
Correct anatomical alignment of the glenoid component is of central importance for wear and loosening in shoulder endoprostheses. The aim of this article is to review and clarify the biomechanical and clinical effects of incorrect glenoid inclination in reverse and anatomical joint replacements. Based on the literature and on our own work, statements are made about the following: (1) the glenoid inclination of a normal glenoid, a degenerative glenoid and a glenoid implant, and the consequences if superior inclination is too large, and (2) the surgical technique as well as tips and tricks for correct adjustment of the inclination...
November 2, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29097948/clinical-evaluation-of-scapular-positioning-in-patients-with-nonspecific-chronic-low-back-pain-a-case-control-study
#20
Shohreh Taghizadeh, Soraya Pirouzi, Ladan Hemmati, Fereshteh Khaledi, Aref Sadat
Objective: The purpose of this study was to investigate the position of scapula in patients with nonspecific chronic low back pain. Methods: A total of 17 participants with a history of nonspecific chronic low back pain and 17 healthy participants in the same age, sex, and weight range were enrolled in this case-control study. Lateral scapular slide test and Lennie test were used for clinical evaluation of scapular position in the frontal plane using a tape measure...
September 2017: Journal of Chiropractic Medicine
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