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measurements of the subacromial space

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https://www.readbyqxmd.com/read/29494815/comparison-of-acromiohumeral-distance-in-symptomatic-and-asymptomatic-patient-shoulders-and-those-of-healthy-controls
#1
S Navarro-Ledesma, A Luque-Suarez
BACKGROUND: The reduction of the subacromial space has traditionally been linked to rotator cuff pathology. The contribution of this narrowing, both in the development and maintenance of rotator cuff tendinopathy, is still under debate. The objective of the present study was compare the acromiohumeral distance at 0 and 60 degrees of active shoulder abduction in scapular plane, static position, in both symptomatic and contralateral shoulders, between participants with unilateral rotator cuff related shoulder pain, and in asymptomatic participants...
March 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29478696/validation-of-imaging-based-quantification-of-glenohumeral-joint-kinematics-using-an-unmodified-clinical-biplane-fluoroscopy-system
#2
Joseph D Mozingo, Mohsen Akbari Shandiz, Felicia M Marquez, Beth A Schueler, David R Holmes, Cynthia H McCollough, Kristin D Zhao
Model-based tracking, using CT and biplane fluoroscopy, allows highly accurate quantification of glenohumeral motion and changes in the subacromial space. Previous investigators have used custom-built biplane fluoroscopes designed specifically for kinematic applications, which are available at few institutions and require FDA approval prior to clinical use. The aim of this study was to demonstrate the utility of an off-the-shelf clinical biplane fluoroscope for kinematic applications by validating model-based tracking for measurement of glenohumeral motion using an unmodified clinical system...
February 13, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29466076/the-effects-of-rigid-scapular-taping-on-the-subacromial-space-in-athletes-with-and-without-rotator-cuff-tendinopathy-a-randomized-controlled-study
#3
Hio Teng Leong, Siu Ngor Fu
CONTEXT: Reduction of the subacromial space (SAS) during arm elevation may contribute to rotator cuff tendinopathy. The effects of scapular taping on the SAS in athletes with and without RC tendinopathy is unknown. OBJECTIVES: To investigate the immediate effects of scapular taping on the SAS in athletes with and without RC tendinopathy. DESIGN: Randomized-controlled with repeated measures. SETTING: University laboratory...
February 21, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29449083/three-dimensional-scapular-dyskinesis-in-hook-plated-acromioclavicular-dislocation-including-hook-motion
#4
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/29423865/short-term-outcomes-of-subacromial-injection-of-combined-corticosteroid-with-low-volume-compared-to-high-volume-local-anesthetic-for-rotator-cuff-impingement-syndrome-a-randomized-controlled-non-inferiority-trial
#5
Manusak Boonard, Sermsak Sumanont, Alisara Arirachakaran, Punyawat Apiwatanakul, Artit Boonrod, Wichan Kanchanatawan, Jatupon Kongtharvonskul
BACKGROUND: In symptomatic tendinosis, a corticosteroid injection into the subacromial space is a palliative treatment option. This study compares high volumes (10 cc) of local anesthetic (LA) combined with triamcinolone acetate (TA) with low volumes (4 cc) of LA combined with TA to see whether the latter would provide similar pain, function and complication outcomes for subacromial injections in patients with impingement syndrome. MATERIALS AND METHODS: This single-center, randomized, single-blind, non-inferiority trial included patients with shoulder pain and positive multiple clinical tests supporting the diagnosis of impingement syndrome...
February 8, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29216699/-diagnostic-value-of-a-predictive-model-for-complete-ruptures-of-the-rotator-cuff-associated-to-subacromial-impingement
#6
I R Águila-Ledesma, J L Córdova-Fonseca, O Medina-Pontaza, D A Núñez-Gómez, C Calvache-García, J M Pérez-Atanasio, R Torres-González
Pathology related to the rotator cuff remains among the most prevalent musculoskeletal diseases. There is an increasing need for imaging studies (MRI, US, arthroscopy) to test the diagnostic performance of the medical history and physical examination. OBJECTIVE: To prove the diagnostic value of a clinical-radiographic predictive model to find complete ruptures of the rotator cuff. MATERIAL AND METHODS: Descriptive, observational, prospective, transversal and analytical study...
May 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/29191285/effects-of-3-different-elastic-therapeutic-taping-methods-on-the-subacromial-joint-space
#7
Katie J Lyman, Kara N Gange, Thomas A Hanson, Christopher D Mellinger
OBJECTIVE: The purpose of this study was to examine the effects of 3 different elastic therapeutic taping methods on the subacromial joint space in healthy adults. METHODS: Pre-/post-test laboratory study method was used in this study. Forty-eight healthy adults with no prior history of shoulder injury or surgery and no history of dominant shoulder pain in the past 6 months were enrolled in the study. Participants were placed into 3 groups (8 males and 8 females per group) on the basis of a consecutively assigned allocation design...
September 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29101774/dextrose-prolotherapy-for-chronic-shoulder-pain-a-case-report
#8
Casey Seenauth, Vance Inouye, Jeffrey O Langland
Context • Shoulder pain is one of the most common pain complaints reported by patients. Consensus is lacking on its ideal treatment, and many different treatments are available and used. Prolotherapy is an injection-based therapy that has shown significant results in treating many common musculoskeletal pain conditions, including osteoarthritis, lateral epicondylosis, and low-back pain. Objective • The study intended to evaluate the use of dextrose prolotherapy in the treatment of shoulder pain. Design • The research team performed a case study...
January 2018: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28988266/effect-of-arm-position-on-width-of-the-subacromial-space-of-upper-string-musicians
#9
Elliot V Smithson, Elizabeth Reed Smith, Gary McIlvain, Mark K Timmons
OBJECTIVE: Musicians often end their musical career due to musculoskeletal injury. A leading source of shoulder pain in upper string musicians is rotator cuff disease (RCD). Multiple factors contribute to its development. Compressive overload of the soft tissues of the subacromial space resulting from a decrease in the width of the subacromial space has been identified as an extrinsic factor contributing to RCD development. The purpose of this study was to characterize the width of the subacromial space by measuring acromial-humeral distance (AHD) of upper string musicians, while their arms are in standard playing positions...
September 2017: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/28913728/shoulder-strengthening-exercises-adapted-to-specific-shoulder-pathologies-can-be-selected-using-new-simulation-techniques-a-pilot-study
#10
Caecilia Charbonnier, Alexandre Lädermann, Bart Kevelham, Sylvain Chagué, Pierre Hoffmeyer, Nicolas Holzer
PURPOSE: Shoulder strength training exercises represent a major component of rehabilitation protocols designed for conservative or postsurgical management of shoulder pathologies. Numerous methods are described for exercising each shoulder muscle or muscle group. Limited information is available to assess potential deleterious effects of individual methods with respect to specific shoulder pathologies. Thus, the goal of this pilot study was to use a patient-specific 3D measurement technique coupling medical imaging and optical motion capture for evaluation of a set of shoulder strength training exercises regarding glenohumeral, labral and subacromial compression, as well as elongation of the rotator cuff muscles...
February 2018: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28513278/infraspinatus-isolation-during-external-rotation-exercise-at-varying-degrees-of-abduction
#11
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/28363877/subacromial-temperature-profile-during-bipolar-radiofrequency-use-in-shoulder-arthroscopy-comparison-of-coblation-%C3%A2-vs-vapr-%C3%A2
#12
V Huynh, O Barbier, X Bajard, A Bouchard, D Ollat, G Versier
BACKGROUND: The use of bipolar electrodes for arthroscopic procedures carries a theoretical ex vivo risk of inducing burn injuries. Few studies have measured the in vivo temperatures produced by bipolar electrodes during arthroscopy, and their results are conflicting. The objective of this study was to evaluate the temperature profile within the subacromial space during shoulder arthroscopy with two different electrode systems. HYPOTHESIS: The primary hypothesis was that the two electrode systems produced similar temperature variations and peak temperatures...
June 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28211284/decreased-axial-coracoid-inclination-angle-is-associated-with-rotator-cuff-tears
#13
Carlos Torrens, Eduard Alentorn-Geli, Juan Francisco Sanchez, Anna Isart, Fernando Santana
PURPOSE: Coracoid morphology has been related to coracoid impingement mainly resulting in anterior shoulder pain aggravated by forward flexion and internal rotation. However, the coracoid process morphology can also affect the inclination of the coracoacromial ligament and subsequently the subacromial space in the same way that acromial slope does. The purpose of this study was to evaluate the influence of the coracoid body-glenoid surface, coracoid tip-glenoid surface, and coracoid body-coracoid tip angles (coracoid inclination angles) on rotator cuff tears (RCTs)...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28188359/in-vivo-analysis-of-coracoid-and-subacromial-shoulder-impingement-mechanism-during-clinical-examination
#14
Tim Leschinger, Christopher Wallraff, Dirk Müller, Matthias Hackenbroch, Henning Bovenschulte, Jan Siewe
BACKGROUND: Understanding the mechanisms of shoulder impingement created by clinical tests is crucial to accurately evaluate the condition. The objective of this study was to relate mechanisms of subacromial and coracoid impingement occurring in positions of the shoulder during clinical examination, in quantitative and qualitative terms. METHODS: A 1.0T open magnetic resonance imaging system was used in 18 female and 19 male subjects, to determine the distances between the humeral head and the acromion or coracoid, and contact with the rotator cuff (RC)...
April 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28042977/full-can-test-mechanisms-of-a-positive-test-in-patients-with-shoulder-pain
#15
Mark K Timmons, Sevgi S Yesilyaprak, Jeff Ericksen, Lori A Michener
BACKGROUND: The full can test is theorized to produce compressive loads on the supraspinatus tendon within the subacromial space. Characterizing the width of the subacromial outlet, scapular orientation, and shoulder pain during the full can test will improve the mechanistic understanding of the positive full can test. METHODS: Cross-sectional repeated measures design. Participants with subacromial pain syndrome (n=30) were compared to a matched control group (n=30) during 2 conditions: passive support, and the full can test...
February 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/27834581/cross-sectional-area-of-the-supraspinatus-muscle-and-acromio-humeral-distance-in-overhead-athletes-with-and-without-shoulder-pain-a-cross-sectional-study
#16
Josep C Benitez-Martinez, Jose Casaña-Granell, Yasmin Ezzatvar de Llago, Carlos Villaron-Casales, Gemma V Espi-Lopez, Fernando Jimenez-Diaz
CONTEXT: The supraspinatus muscle has an important role in the stabilization of the glenohumeral joint. Identifying abnormalities concerning its size and the subacromial space in the presence of pain may be relevant to provide more specific treatments focused on the etiology of pain. OBJECTIVE: To determinate whether painful shoulder causes changes in the supraspinatus cross-sectional area (CSA) and the acromio-humeral distance (AHD) between overhead athletes. DESIGN: Cross-sectional study...
November 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27776926/ultrasound-evaluation-of-the-subacromial-space-in-healthy-subjects-performing-three-different-positions-of-shoulder-abduction-in-both-loaded-and-unloaded-conditions
#17
RANDOMIZED CONTROLLED TRIAL
Stefano Longo, Alberto Corradi, Giovanni Michielon, Francesco Sardanelli, Luca Maria Sconfienza
BACKGROUND: Subacromial space (SS) narrowing may result in unsafe contact of rotator cuff tendons and bursa with the acromion, possibly promoting rotator cuff pathologies and pain. We measured SS in asymptomatic subjects after three movements employed for shoulder muscles' training. PARTICIPANTS AND MAIN OUTCOME MEASURES: Twenty-five males (age 24±5years; stature 175±8 cm; body mass 74±12 kg) underwent SS ultrasound evaluation while executing with (WL) and without (NL) 4-kg load: 90° shoulder abduction (SA) without humerus rotation (90°neutral ); 90° SA maximal humeral external rotation (90°er ); maximum SA (above 90°) during upright row (UR)...
January 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27687065/anatomical-and-morphological-study-of-the-subcoracoacromial-canal
#18
O Le Reun, J Lebhar, F Mateos, J L Voisin, H Thomazeau, M Ropars
INTRODUCTION: Many clinical anatomy studies have looked into how variations in the acromion, coracoacromial ligament (CAL) and subacromial space are associated with rotator cuff injuries. However, no study up to now had defined anatomically the fibro-osseous canal that confines the supraspinatus muscle in the subcoracoacromial space. Through an anatomical study of the scapula, we defined the bone-related parameters of this canal and its anatomical variations. MATERIALS AND METHODS: This study on dry bones involved 71 scapulas...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27613762/surgical-release-of-the-pectoralis-minor-tendon-for-scapular-dyskinesia-and-shoulder-pain
#19
Matthew T Provencher, Hannah Kirby, Lucas S McDonald, Petar Golijanin, Daniel Gross, Kevin J Campbell, Lance LeClere, George Sanchez, Shawn Anthony, Anthony A Romeo
BACKGROUND: Pectoralis minor (PM) tightness has been linked to pain and dysfunction of the shoulder joint secondary to anterior tilt and internal rotation of the scapula, thus causing secondary impingement of the subacromial space. PURPOSE: To describe outcomes pertaining to nonoperative and operative treatment via surgical release of the PM tendon for pathologic PM tightness in an active population. STUDY DESIGN: Case series; Level of evidence, 4...
January 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27469590/corticosteroid-injections-give-small-and-transient-pain-relief-in-rotator-cuff-tendinosis-a-meta-analysis
#20
REVIEW
Amin Mohamadi, Jimmy J Chan, Femke M A P Claessen, David Ring, Neal C Chen
BACKGROUND: The ability of injection of corticosteroids into the subacromial space to relieve pain ascribed to rotator cuff tendinosis is debated. The number of patients who have an injection before one gets relief beyond what a placebo provides is uncertain. QUESTIONS/PURPOSES: We asked: (1) Do corticosteroid injections reduce pain in patients with rotator cuff tendinosis 3 months after injection, and if so, what is the number needed to treat (NNT)? (2) Are multiple injections better than one single injection with respect to pain reduction at 3 months? METHODS: We systematically searched seven electronic databases for randomized controlled trials of corticosteroid injection for rotator cuff tendinosis compared with a placebo injection...
January 2017: Clinical Orthopaedics and related Research
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