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https://www.readbyqxmd.com/read/29449083/three-dimensional-scapular-dyskinesis-in-hook-plated-acromioclavicular-dislocation-including-hook-motion
#1
Eugene Kim, Seunghee Lee, Hwa-Jae Jeong, Jai Hyung Park, Se-Jin Park, Jaewook Lee, Woosub Kim, Hee Jin Park, So Yeon Lee, Tsuyoshi Murase, Kazuomi Sugamoto, Sumika Ikemoto
BACKGROUND: The purpose of this study is to analyze the 3-dimensional scapular dyskinesis and the kinematics of a hook plate relative to the acromion after hook-plated acromioclavicular dislocation in vivo. Reported complications of acromioclavicular reduction using a hook plate include subacromial erosion and impingement. However, there are few reports of the 3-dimensional kinematics of the hook and scapula after the aforementioned surgical procedure. METHODS: We studied 15 cases of acromioclavicular dislocation treated with a hook plate and 15 contralateral normal shoulders using computed tomography in the neutral and full forward flexion positions...
February 13, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29445933/multimodality-imaging-of-subacromial-impingement-syndrome
#2
REVIEW
Lionel Pesquer, Sophie Borghol, Philippe Meyer, Mickael Ropars, Benjamin Dallaudière, Pierre Abadie
Subacromial impingement syndrome results from irritation of the tendons of the rotator cuff muscles in the subacromial space and may manifest as a range of pathologies. However, subacromial impingement is a dynamic condition for which imaging reveals predisposing factors but no pathognomonic indicators. Also, the usual imaging features of subacromial impingement may be seen in symptomatic and asymptomatic patients. Therefore, imaging is able to detect tears and describe the risk factors of impingement but cannot confirm subacromial impingement...
February 14, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29410583/correlation-between-pulmonary-functions-and-respiratory-muscle-activity-in-patients-with-forward-head-posture
#3
Jeong-Il Kang, Dae-Keun Jeong, Hyun Choi
[Purpose] The purpose of this study is to determine the effect that secondary postural deformities and chronic postural abnormalities have on lung capacity, as well as correlate the activity of the respiratory muscles. The results provide basic objective data about the forward head posture and respiratory muscle activity that can be used in clinical situations. [Subjects and Methods] The subjects used in this study were 24 patients aged 25 to 35 years old who visited a hospital in Jeollanam-do Province, Korea, between September 2015 and January 2016...
January 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29395551/quantitative-assessment-of-the-coracoacromial-and-the-coracoclavicular-ligaments-with-3-dimensional-mapping-of-the-coracoid-process-anatomy-a-cadaveric-study-of-surgically-relevant-structures
#4
Jorge Chahla, Daniel Cole Marchetti, Gilbert Moatshe, Márcio B Ferrari, George Sanchez, Alex W Brady, Jonas Pogorzelski, George F Lebus, Peter J Millett, Robert F LaPrade, Matthew T Provencher
PURPOSE: To perform a quantitative anatomic evaluation of the (1) coracoid process, specifically the attachment sites of the conjoint tendon, the pectoralis minor, the coracoacromial ligament (CAL), and the coracoclavicular (CC) ligaments in relation to pertinent osseous and soft tissue landmarks; (2) CC ligaments' attachments on the clavicle; and (3) CAL attachment on the acromion in relation to surgically relevant anatomic landmarks to assist in planning of the Latarjet procedure, acromioclavicular (AC) joint reconstructions, and CAL resection distances avoiding iatrogenic injury to surrounding structures...
January 24, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29394434/human-shoulder-response-to-high-velocity-lateral-impact
#5
Matthieu Lebarbé, Philippe Vezin, Frédéric Rongiéras, Denis Lafont
The armies of the North Atlantic Treaty Organization need a shoulder injury criterion for the EuroSID-2re dummy that must be reliable over a large range of loading conditions, from high velocity, short duration impacts (28 m/s - 3 ms) to low velocity long, duration impacts (4 m/s - 50 ms). In the literature, the human shoulder response to lateral impact was investigated at bounds of the loading condition spectrum as previously mentioned. For the low velocities, the injuries were mainly clavicle fractures and the maximum compression between the acromion and the sternum (Cmax) was proposed as an injury criterion...
November 2017: Stapp Car Crash Journal
https://www.readbyqxmd.com/read/29374331/pressure-pain-thresholds-over-the-cranio-cervical-region-in-headache-a-systematic-review-and-meta-analysis
#6
REVIEW
René F Castien, Johannes C van der Wouden, Willem De Hertogh
Sensitivity of tissues can be measured by algometry. Decreased pressure pain thresholds over the cranio-cervical area are supposed to reflect signs of sensitization of the trigemino-cervical nucleus caudalis. A systematic review was conducted to assess the current scientific literature describing pressure pain threshold (PPT) values over the cranio-cervical region in patients with migraine, tension-type headache (TTH), and cervicogenic headache (CeH). A literature search was executed in three databases. The search strategy included the following keywords: migraine, TTH, CeH, PPT and algometry...
January 26, 2018: Journal of Headache and Pain
https://www.readbyqxmd.com/read/29354473/aquarium-portal-technique-for-pasta-lesion-repair
#7
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/29353523/acromioclavicular-joint-disruptions-a-comparison-of-two-surgical-approaches-hook-and-rope
#8
M S Athar, Neil Ashwood, Georgios Arealis, Mark Hamlet, Emma Salt
INTRODUCTION: Acromioclavicular joint injuries are common shoulder girdle injuries most commonly resulting from a direct blow to the acromion with the arm adducted. Type-I or type-II acromioclavicular joint injuries can be managed with sling immobilization, early shoulder motion, and physiotherapy. The management of type-III injuries remains controversial and is individualized. Type IV and V injuries should be treated surgically. A myriad of surgical techniques for the management of acromioclavicular joint injuries have been reported...
January 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29353150/biodegradable-spacer-reduces-the-subacromial-pressure-a-biomechanical-cadaver-study
#9
Yan Chevalier, Matthias F Pietschmann, Christoph Thorwächter, Ofir Chechik, Eliyahu Adar, Assaf Dekel, Peter E Müller
BACKGROUND: Failure after rotator cuff repair remains a major clinical problem and could be related to excessive pressures from the acromion. Previous studies with irreparable tears showed good clinical results of tendon healing with arthroscopic insertion of a protective biodegradable spacer balloon between the repaired tendon and the acromion. One hypothesis is that compression pressures on the repaired tendon will be reduced by the spacer. This cadaver study aimed to investigate the effects of this subacromial spacer on compression pressures over a repaired supraspinatus tendon in passive motion...
December 18, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29351679/landmarks-for-identifying-the-suprascapular-foramen-anteriorly-application-to-anterior-neurotization-and-decompressive-procedures
#10
Olga V Manouvakhova, Veronica Macchi, Fabian N Fries, Marios Loukas, Raffaele De Caro, Rod J Oskouian, Robert J Spinner, R Shane Tubbs
BACKGROUND: Additional landmarks for identifying the suprascapular nerve at its entrance into the suprascapular foramen from an anterior approach would be useful to the surgeon. OBJECTIVE: To identify landmarks for the identification of this hidden site within an anterior approach. METHODS: In 8 adult cadavers (16 sides), lines were used to connect the superior angle of the scapula, the acromion, and the coracoid process tip thus creating an anatomic triangle...
February 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29349023/bipolar-acromioclavicular-joint-resection
#11
Julien Gaillard, Michel Calò, Geoffroy Nourissat
Acromioclavicular (AC) joint arthropathy remains one of the most common causes of shoulder pain. In the case of AC joint arthropathy resistant to conservative treatment, most authors have recognized distal clavicle resection as the gold-standard treatment. However, some challenges remain to be solved. One is the difficulty in visualization of the superior and posterior part of the distal clavicle from the midlateral portal, causing an incomplete resection of the distal clavicle. This could potentially lead to unresolved pain and therefore surgical failure...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29323425/evaluating-mid-upper-arm-circumference-z-score-as-a-determinant-of-nutrition-status
#12
Karen Stephens, April Escobar, Erika Nicole Jennison, Lindsey Vaughn, Rhonda Sullivan, Susan Abdel-Rahman
BACKGROUND: Mid-upper arm circumference (MUAC) z-score, has recently been listed as an independent indicator for pediatric malnutrition. This investigation examined the relationship between MUAC z-score and the z-scores for conventional indicators (ie, weight-for-length and body mass index) to expand the available evidence for nutrition classification z-score threshold ranges in U.S. practice settings. METHODS: This was a single-center study of children through 18 years of age seen between October 2015 and September 2016...
January 11, 2018: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/29236601/optimal-reference-electrode-positioning-for-electroneurography-at-the-orbicularis-oculi-a-case-report-and-short-review
#13
Nobushige Takahashi, Osamu Takahashi, Ryosuke Ushijima, Rie Umebayashi, Junji Nishikawa
Electroneurography is one of the most useful tests for evaluating facial nerve function. Because many patients with peripheral facial palsy complain of difficulty with eye closure, recording compound muscle action potentials (CMAPs) of the orbicularis oculi (OC) is important. However, electromyographers often encounter OC CMAPs that have an initial positivity. In the present study, facial motor potentials of a healthy subject were recorded using an electrode on the acromion and electrical activities over the facial muscles were evaluated...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/29230985/-adult-stature-estimation-by-multiple-parameters-of-body-torso-segment
#14
R Q Wu, T Wang, Q Shi, B Xiao, K J Ma, X Chen
OBJECTIVES: To promote the further research on body stature estimation and the innovative applications based on the distances between the anatomical landmarks on body torso surface. METHODS: A specification for the collection of distances between the anatomical landmarks on body torso surface was established. The data of 933 cases of adult population in Yangtze River Delta region were collected. Multiple linear regression method was used to statistical analyse and establish the regression equation of stature estimation...
June 2017: Fa Yi Xue za Zhi
https://www.readbyqxmd.com/read/29225017/qualitative-and-quantitative-anatomy-of-the-proximal-humerus-muscle-attachments-and-the-axillary-nerve-a-cadaveric-study
#15
Gilbert Moatshe, Daniel Cole Marchetti, Jorge Chahla, Márcio B Ferrari, George Sanchez, George F Lebus, Alex W Brady, Rachel M Frank, Robert F LaPrade, Matthew T Provencher
PURPOSE: To provide a quantitative and qualitative anatomic analysis of the pectoralis major, teres major, and latissimus dorsi on the humerus, as well as the deltoid tendinous attachments on the proximal humerus and acromion, and to quantitatively characterize the humeral course of the axillary nerve. METHODS: Ten nonpaired, fresh-frozen human cadaveric shoulders were analyzed. A portable coordinate-measuring device quantified the location of bony landmarks and tendon attachment areas...
December 7, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29222664/anatomical-reconstruction-to-treat-acromion-fractures-following-reverse-shoulder-arthroplasty
#16
Florian Hess, Ralph Zettl, Daniel Smolen, Christoph Knoth
PURPOSE: Scapular fractures after reverse shoulder arthroplasty (RSA) are often associated with substantial shoulder impairment. Patient outcomes following either conservative or operative treatment have not been favourable, and consensus is lacking on the best treatment approach. We describe a technique for anatomic reconstruction of fractured lateral and basal acromion in patients at higher risk for diminished function or those for which conservative treatment has already failed. METHODS: Of the 95 patients who underwent RSA at our institution between December 2013 and December 2016, three had post-operative acromion fractures (type II)...
December 8, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29153594/the-effectiveness-of-extracorporeal-shockwave-treatment-in-subacromial-impingement-syndrome-and-its-relation-with-acromion-morphology
#17
Esra Circi, Sibel Caglar Okur, Ozge Aksu, Erhan Mumcuoglu, Tolga Tuzuner, Nil Caglar
OBJECTIVE: The aim of this study was to evaluate the effectiveness of the extracorporeal shock wave therapy in the subacromial impingement syndrome and its relationship with the acromion morphology. METHODS: Thirty patients (24 women, 6 men) with subacromial impingement were evaluated. The average age of patients was 53.6 ± 9.8 years (range 39-80). Patients were divided into 3 groups according to the acromion morphology. ESWT 1500 at 0.12 am mL/mm2 violence was applied once a week for 3 weeks...
November 16, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29144771/bursal-sided-rotator-cuff-tears-simple-versus-everted-type
#18
Hwan Jin Kim, Jung Youn Kim, Young Moon Kee, Yong Girl Rhee
BACKGROUND: No studies have focused on the everted type of bursal-sided partial-thickness rotator cuff tears (PTRCTs). PURPOSE: To evaluate the radiological characteristics, arthroscopic findings, and clinical and structural outcomes after arthroscopic repair of the everted type of bursal-sided PTRCTs. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Two groups of patients with bursal-sided PTRCTs (simple type, 25 shoulders; everted type, 25 shoulders) were enrolled...
February 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29133232/embryological-and-comparative-description-of-the-cephalic-vein-joining-the-external-jugular-vein-a-case-report
#19
R C Araújo, L A S Pires, M L Andrade, M C Perez, C S L Filho, M A Babinski
The cephalic vein arises from the radial end of the dorsal venous arch. It turns around the radial border of the forearm and passes proximally along the arm to the shoulder, where it enters the axillary vein by penetrating the clavipectoral triangle. The cephalic vein is prone to vary at the antecubital fossa, where it forms numerous anastomoses. A male cadaver fixated with a 10% formalin solution was dissected during regular anatomy lessons. It was found that the cephalic vein crossed the upper third of the arm between two fasciculi of the deltoid muscle and reached the shoulder, where it passed above the acromion and crossed the posterior border of the clavicle in order to join the external jugular vein...
November 10, 2017: Morphologie: Bulletin de L'Association des Anatomistes
https://www.readbyqxmd.com/read/29111197/the-critical-acromial-point-the-anatomic-location-of-the-lateral-acromion-in-the-critical-shoulder-angle
#20
Michael R Karns, Matthijs Jacxsens, William J Uffmann, Dane C Todd, Heath B Henninger, Robert T Burks
BACKGROUND: Acromioplasty has been proposed as a means of altering elevated critical shoulder angles (CSAs). We aimed to localize the critical acromion point (CAP) responsible for the acromial contribution of the CSA and determine whether resection of the CAP can alter the CSA to a normal range. METHODS: The CAP and 3-dimensional (3D) CSAs were determined on 3D computed tomography reconstructions of 88 cadaveric shoulders and compared with corresponding CSAs on digitally reconstructed radiographs...
October 27, 2017: Journal of Shoulder and Elbow Surgery
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