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Scapula shoulder

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...
March 14, 2018: JBJS Case Connector
James D Wylie, Jeremiah D Johnson, Jessica DiVenere, Augustus D Mazzocca
Injuries to the acromioclavicular joint and coracoclavicular ligaments are common. Many of these injuries heal with nonoperative management. However, more severe injuries may lead to continued pain and shoulder dysfunction. In these patients, surgical techniques have been described to reconstruct the function of the coracoclavicular ligaments to provide stable relationship between the clavicle and scapula. These surgeries have been fraught with high complication rates including clavicle and coracoid fractures, infection, loss of reduction and fixation, hardware migration, and osteolysis...
April 2018: Clinics in Sports Medicine
Anna Fabis-Strobin, Miroslaw Topol, Jaroslaw Fabis, Kryspin Niedzielski, Michal Podgorski, Lukasz Strobin, Michal Polguj
INTRODUCTION: Although the pathomechanism of isolated infraspinatus atrophy (ISA) in throwing sports is known to be traction, it is unclear why only some players are affected. One likely explanation is that the infraspinatus pulling force exerted by its contracture generate the compressive resultant component force (Fn) compressing the lateral trunk of the suprascapular nerve (LTSN) against the edge of scapular spine. This paper makes two key assumptions (1) the course of LTSN in relation to the scapular spine, defined as the suprascapular-scapular spine angle (SSSA) is the key individual anatomical feature influencing the Fn magnitude, and thus potentially ISA development (2) SSSA is correlated with scapular notch type...
March 9, 2018: Surgical and Radiologic Anatomy: SRA
Kenneth W Donohue, Eric T Ricchetti, Jason C Ho, Joseph P Iannotti
BACKGROUND: Glenoid morphology and rotator cuff muscle quality are important anatomic factors that can impact longevity of the glenoid component following total shoulder arthroplasty (TSA). We hypothesized that rotator cuff muscle fatty infiltration is associated with increased pathologic glenoid bone loss in glenohumeral osteoarthritis (OA). METHODS: We retrospectively reviewed 190 preoperative computed tomography (CT) scans of 175 patients (mean age, 66 years; range, 44 to 90 years) who underwent TSA for the treatment of primary glenohumeral OA...
March 7, 2018: Journal of Bone and Joint Surgery. American Volume
Muhammad Younus Khan Durrani, Amir Humza Sohail, Inamullah Khan, Pervaiz Hashmi
Various shoulder bone deformities have been identified in the pediatric age group, with the most common being undescended scapula. Sprengel's deformity is dysplasia and malposition of the scapula, especially in the supraspinatus portion, mainly due to abnormal descent in the embryonic period. The clavicle is shorter and has a different contour. In some patients cervical spine deformities are also noted. This is a case of 3 years old girl presented to the clinic with difficulty in abducting right shoulder and sleeping with an internal rotation of the right arm...
January 2018: Journal of Ayub Medical College, Abbottabad: JAMC
Patricia Dayrell Neiva, Letícia Paiva Franco, Renata Noce Kirkwood, Helena Gonçalves Becker
The clinical decision for surgical treatment of children diagnosed with mouth breathing depends on the percentage of mechanical obstruction correlated with exacerbation of upper respiratory tract infections and systemic changes. The benefits of adenotonsillectomy include changes in the nasopharyngeal space, the mandibular plane and myofunctional alterations. Post-adenotonsilectomy postural benefits have not yet been described. OBJECTIVES: To investigate the kinematics of the shoulder girdle, cervical and thoracic spine in children with mouth breathing before and after adenotonsillectomy...
April 2018: International Journal of Pediatric Otorhinolaryngology
Yoshihiro Araki, Akihiko Yoshida, Yoshikazu Tanzawa, Makoto Endo, Eisuke Kobayashi, Akira Kawai
CASE: We describe a 22-year-old woman who underwent total scapulectomy and shoulder joint reconstruction with use of a custom-made ceramic implant composed of hydroxyapatite and beta-tricalcium phosphate (β-TCP) for a recurrent atypical perineurioma that had arisen from the scapula. CONCLUSION: To our knowledge, there have been no previous reports of shoulder joint reconstruction with use of a custom-made ceramic implant after a total scapulectomy. The patient showed excellent function of the new shoulder joint and good range of motion without pain or dislocation at 18 months postsurgery...
February 28, 2018: JBJS Case Connector
Jun Umehara, Ken Kusano, Masatoshi Nakamura, Katsuyuki Morishita, Satoru Nishishita, Hiroki Tanaka, Itsuroh Shimizu, Noriaki Ichihashi
BACKGROUND: Although the serratus anterior muscle has an important role in scapular movement, no study to date has investigated the effect of serratus anterior fatigue on scapular kinematics and shoulder muscle activity. The purpose of this study was to clarify the effect of serratus anterior fatigue on scapular movement and shoulder muscle activity. METHODS: The study participants were 16 healthy men. Electrical muscle stimulation was used to fatigue the serratus anterior muscle...
February 23, 2018: Journal of Shoulder and Elbow Surgery
Filip Verhaegen, Katrien Plessers, Philippe Debeer, Olivier Verborgt, Lennart Scheys
HYPOTHESIS: The contralateral scapula can be used as a reliable template to determine scapular offset, glenoid inclination, and version of the native scapula in view of reconstructing pathologic scapulae. METHODS: Three-dimensional measurements of scapular offset, inclination, and version were performed using data from a set of 50 bilateral computed tomography scans of full scapulae to determine direct side-to-side differences. RESULTS: The scapula pairs had a mean bilateral difference of 2 mm in offset, 2° in inclination, and 2° in version...
February 23, 2018: Journal of Shoulder and Elbow Surgery
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
Ø Nordbø, L E Gangsei, T Aasmundstad, E Grindflek, J Kongsro
Shoulder lesions and body condition of sows at weaning have both environmental and genetic causes. The traits can be scored at farm-level, and following recording, the traits can be included in the breeding goal and directional selection can be applied. However, to further increase the genetic progress of these traits, it is advantageous to develop indicator traits on the selection candidates (test boars or gilts, not yet exhibiting the phenotype themselves). It has previously been suggested that the scapula morphology and the spine of scapula might be a key factor for the sow to develop shoulder lesions...
February 19, 2018: Journal of Animal Science
Megan Donovan, Magdy W Attia
This article reviews an isolated scapula fracture in a teenage athlete. Although rarely reported in professional athletes, scapula fracture should be included in the differential diagnosis of shoulder injuries. Proper imaging is key to effective diagnosis and management.
March 2018: JAAPA: Official Journal of the American Academy of Physician Assistants
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
Emmanouil Fandridis, Panagiotis P Anastasopoulos, George Alexiadis, Dimitrios Nomikarios, Sarantis Spyridonos, Ralph Hertel
BACKGROUND: Operative management of scapular body fractures, when indicated, typically involves extensive exposure through a posterior approach. We present our experience with a deltoid preserving approach that allows excellent exposure of the fracture lines for reduction and fixation while minimizing muscle detachment and overall tissue trauma. TECHNIQUE: Exposure of the scapula was obtained through a posterior incision. The posterior deltoid was exposed and retracted superiorly while the arm was abducted in accordance with Brodsky et al...
February 20, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Yu-Cheng Zhou, Lin-Xin Yu, Hong Duan, Jie Min, Xiao-Feng Yuan, Peng Yu, Bang-Xu Nie, Jun Hu
OBJECTIVE: To investigate the clinical results of scapula fractures with lateral incision combined with bridge internal fixation system. METHODS: From October 2012 to December 2016, 20 cases of scapular fractures were treated through the lateral incision combined with bridge fixation system, including 15 males and 5 females, with an average age of 31.6 years old(ranged, 21 to 52 years old). Fourteen cases were scapular body fracture, 10 were scapular neck fracture, 6 were scapular fracture, 1 was acromion fracture, 1 was coracoid fracture, 4 were the glenoid rim fracture, 3 were the glenoid fossa fracture...
October 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Marc Vetter, Ordessia Charran, Emre Yilmaz, Bryan Edwards, Mitchel A Muhleman, Rod J Oskouian, R Shane Tubbs, Marios Loukas
Winged scapula is caused by paralysis of the serratus anterior or trapezius muscles due to damage to the long thoracic or accessory nerves, resulting in loss of strength and range of motion of the shoulder. Because this nerve damage can happen in a variety of ways, initial diagnosis may be overlooked. This paper discusses the anatomical structures involved in several variations of winged scapula, the pathogenesis of winged scapula, and several historical and contemporary surgical procedures used to treat this condition...
December 7, 2017: Curēus
Kang Chen, Simin Deng, Yanhong Ma, Yelin Yao, Juan Chen, Yuqian Zhang
BACKGROUND: Evaluation of scapular dyskinesis is of clinical interest because it is believed to be associated with pathologies of the shoulder. This study investigated the feasibility of plain-film radiography in evaluating scapular dyskinesis. METHODS: Subjects with unilateral disorders of the shoulder (n = 186) who underwent plain-film radiography of bilateral scapulae were divided into 4 categories of scapular dyskinesis patterns according to the Kibler classification and analyzed...
February 15, 2018: Journal of Shoulder and Elbow Surgery
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
J Bartoníček, M Tuček, J Malík
INTRODUCTION: The aim of this study is to describe the anatomy of fractures of the inferior angle and the adjacent part of the scapular body, based on 3D CT reconstructions. METHOD: In a series of 375 scapular fractures, we identified a total of 20 fractures of the inferior angle of the scapular body (13 men, 7 women), with a mean patient age of 50 years (range 3373). In all fractures, 3D CT reconstructions were obtained, allowing an objective evaluation of the fracture pattern with a focus on the size and shape of the inferior angle fragment, propagation of the fracture line to the lateral and medial borders of the infraspinous part of the scapular body, fragment displacement and any additional fracture of the ipsilateral scapula and the shoulder girdle...
2018: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
Adeline Cambon-Binder, Lynda Preure, Heba Dubert-Khalifa, Pierre-Sylvain Marcheix, Zoubir Belkheyar
Spinal accessory nerve grafting requires identification of both nerve stumps in the scar tissue, which is sometimes difficult. We propose a direct nerve transfer using a fascicle from the posterior division of the upper trunk. We retrospectively reviewed 11 patients with trapezius palsy due to an iatrogenic injury of the spinal accessory nerve in nine cases. The mean age was 38 years (range 21-59). Preoperatively, patients showed shoulder weakness and limited range of motion. At a mean follow-up of 25 months, active shoulder abduction improvement averaged 57°...
January 1, 2018: Journal of Hand Surgery, European Volume
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