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Markus Rupp, Jendrik Hardes, Michael J Raschke, Adrian Skwara
Hereditary multiple exostosis (HME) is an autosomal dominant disorder characterized by two or more benign growing, cartilage capped tumors of long bones called osteochondromas. If abnormal growth and clinical symptoms of osteochondromas newly appear in adults, malignant transformation of the usually benign growing tumors should be suspected and diagnostic testing should be initiated. Against the background of hypothesized higher malignant transformation of osteochondromas into chondrosarcoma in individuals with shoulder exostoses, we report a case of bilateral scapulothoracic osteochondromas in a patient suffering from HME...
September 19, 2016: Orthopedic Reviews
Birgit Castelein, Ann Cools, Thierry Parlevliet, Barbara Cagnie
BACKGROUND: Altered recruitment of rotator cuff and scapulothoracic muscles has been identified in patients with subacromial impingement syndrome. To date, however, the cause-consequence relationship between pain and altered muscle recruitment has not been fully unraveled. METHODS: The effect of experimental shoulder pain induced by injection of hypertonic saline in the supraspinatus on the activity of the supraspinatus, infraspinatus, subscapularis, trapezius, and serratus anterior activity was investigated during the performance of an elevation task by use of muscle functional magnetic resonance imaging in 25 healthy individuals...
October 14, 2016: Journal of Shoulder and Elbow Surgery
Timothy G Baumer, Derek Chan, Veronica Mende, Jack Dischler, Roger Zauel, Marnix van Holsbeeck, Daniel S Siegal, George Divine, Vasilios Moutzouros, Michael J Bey
BACKGROUND: Physical therapy (PT) is often prescribed for patients with rotator cuff tears. The extent to which PT influences strength, range of motion (ROM), and patient-reported outcomes has been studied extensively, but the effect of PT on in vivo joint kinematics is not well understood. PURPOSE: To assess the influence of symptomatic rotator cuff pathology and the effects of PT on shoulder motion, strength, and patient-reported outcomes. STUDY DESIGN: Controlled laboratory study...
September 2016: Orthopaedic Journal of Sports Medicine
Yin-Liang Lin, Andrew Karduna
While synchronous movement of glenohumeral and scapulothoracic joints has been emphasized in previous kinematics studies, most investigations of shoulder joint position sense have treated the shoulder complex as a single joint. The purposes of this study were to investigate the joint position sense errors of the humerothoracic, glenohumeral and scapulothoracic joints at different elevation angles and to examine whether the errors of the glenohumeral and scapulothoracic joints contribute to the errors of the humerothoracic joint...
October 5, 2016: Journal of Applied Biomechanics
Kathleen A Swanik, Stephen J Thomas, Aaron H Struminger, Kellie C Huxel Bliven, John D Kelly Iv, Charles B Swanik
CONTEXT: Plyometric training is credited with providing benefits in performance and dynamic restraint. However, limited prospective data exists quantifying kinematic adaptations such as amortization time, glenohumeral rotation, and scapulothoracic position, which may underlie its efficacy for upper extremity rehabilitation or performance enhancement. OBJECTIVE: To measure upper extremity kinematics and plyometric phase times before and after an 8 week upper extremity strength and plyometric training programs...
August 24, 2016: Journal of Sport Rehabilitation
Kwang Won Lee, Yong In Kim, Ha Yong Kim, Dae Suk Yang, Gyu Sang Lee, Won Sik Choy
BACKGROUND: There have been few reports on altered kinematics of the shoulder after reverse total shoulder arthroplasty (RTSA). We investigated differences in 3-dimensional (3D) scapular motions assessed using an optical tracking system between RTSA treated shoulders and asymptomatic contralateral shoulders during arm motion. METHODS: Thirteen patients who underwent RTSA were assessed for active arm elevation in 2 distinct elevation planes (sagittal plane flexion and scapular plane abduction)...
September 2016: Clinics in Orthopedic Surgery
Stephanie A Russo, Luisa M Rodriguez, Scott H Kozin, Dan A Zlotolow, Ross S Chafetz, Carolyn M Killelea, Kristen F Nicholson, James G Richards
OBJECTIVE: In this study, we aimed to assess whether therapeutic taping for scapular stabilization affected scapulothoracic, glenohumeral, and humerothoracic joint function in children with brachial plexus birth palsy and scapular winging. METHOD: Motion capture data were collected with and without therapeutic taping to assist the middle and lower trapezius in seven positions for 26 children. Data were compared with one-way multivariate analyses of variance. RESULTS: With therapeutic taping, scapular winging decreased considerably in all positions except abduction...
September 2016: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
Yin-Liang Lin, Andrew Karduna
Proprioception is essential for shoulder neuromuscular control and shoulder stability. Exercise of the rotator cuff and scapulothoracic muscles is an important part of shoulder rehabilitation. The purpose of this study was to investigate the effect of rotator cuff and scapulothoracic muscle exercises on shoulder joint position sense. Thirty-six healthy subjects were recruited and randomly assigned into either a control or training group. The subjects in the training group received closed-chain and open-chain exercises focusing on rotator cuff and scapulothoracic muscles for four weeks...
October 2016: Human Movement Science
Ilaria Parel, Ellen Jaspers, Liesbet DE Baets, Amedeo Amoresano, Andrea G Cutti
In this paper, the principal aspects of kinematic and electromyographic (EMG) analysis of the shoulder and their potential for the every-day clinical practice are described. The text reports a brief description of standard recommendations for movement assessment, an overview of the main quantitative motion analysis protocols and a description of the most commonly investigated scapulothoracic muscles. To assess the possibility of using these protocols for clinical applications, reliability and repeatability of kinematic and EMG measures were investigated and reference data for scapulohumeral joint kinematics were provided...
August 2016: European Journal of Physical and Rehabilitation Medicine
Angie Stephanie Vega Toro, Ann M J Cools, Anamaria Siriani de Oliveira
PURPOSE: The study aimed to investigate the effect of the instruction for conscious contraction of the abdominal muscles on the scapulothoracic muscles activation during shoulder exercises. DESIGN: Repeated measures design in a single group, pre-post instruction. METHODS: Sixty healthy male and female subjects (mean age 23.5 ± 3 years) volunteered for this study. Two isometric and three dynamic exercises for the scapulothoracic muscles, focusing on the serratus anterior muscle were assessed before and after familiarization training, standardized verbal, and tactile feedback applied to encourage abdominal muscle contraction...
September 2016: Manual Therapy
Cristina Roldán-Jiménez, Antonio I Cuesta-Vargas
BACKGROUND: Shoulder kinematics alteration has been previously proven in subjects suffering from shoulder damage, which is also related to shoulder degenerative changes as consequence of aging. Because of that, it would be interesting to investigate age-related kinematics. The main objective was to analyze age-related differences in shoulder kinematics by means of inertial sensors in asymptomatic subjects during shoulder abduction and flexion. METHODS: Twenty-five right arms were measured (11 from the young adult group and 14 from the older adult group)...
August 2016: Clinical Biomechanics
Mitsuo Otsuka, Taisuke Ito, Toyoyuki Honjo, Tadao Isaka
The arm-swing motion is important for coordinated lower limb movement during a fast sprint and is composed of three-dimensional scapulothoracic and glenohumeral joint motion. Here, we aimed to clarify the role of the scapula during the initiation of a sprint running when sprinter run with high horizontal acceleration. Ten sports-active students participated in four 5-m dashes, with scapular constraint using non-elastic therapy tape (constraint condition) and without scapular constraint (free condition). The sprinting kinematics was assessed by a 16-camera motion capture system...
2016: SpringerPlus
A R Gross, J P Paquin, G Dupont, S Blanchette, P Lalonde, T Cristie, N Graham, T M Kay, S J Burnie, G Gelley, C H Goldsmith, M Forget, P L Santaguida, A J Yee, G G Radisic, J L Hoving, G Bronfort
BACKGROUND: Neck pain (NP) is disabling and costly. OBJECTIVES: To assess the effectiveness of exercise on pain, disability, function, patient satisfaction, quality of life (QoL) and global perceived effect (GPE) in adults with NP. METHODS: We searched computerised databases up to May 2014 for randomized controlled trials (RCTs) comparing exercise to a control in adults with NP with/without cervicogenic headache (CGH) or radiculopathy. Two reviewers independently conducted selection, data abstraction and assessed risk of bias...
August 2016: Manual Therapy
Mark L Wang, Andrew J Miller, Brooke L Ballard, Michael J Botte
Snapping scapula syndrome is a rare condition caused by the disruption of the gliding articulation between the anterior scapula and the posterior chest wall. The etiology of snapping scapula syndrome is multifactorial, and contributing factors include scapular dyskinesis, bursitis from repetitive use or trauma, and periscapular lesions. Although the majority of cases are initially treated with nonoperative modalities, recalcitrant snapping scapula syndrome can warrant surgical management. This report describes a 34-year-old amateur weight lifter with a 1-year history of increasing pain and fullness over his posterior shoulder region...
July 1, 2016: Orthopedics
Xavier Robert-Lachaine, Paul Allard, Véronique Godbout, Patrice Tétreault, Mickael Begon
BACKGROUND: Some patients with rotator cuff tears feel pain without functional limitation, whereas others show a decrease in range of motion. To investigate this distinction, the scapulohumeral rhythm was used to conduct a functional evaluation of shoulder joints' coordination. The objective was to characterize patients according to their active range of motion without pain and their scapulohumeral rhythm compared with healthy individuals. MATERIALS AND METHODS: Fourteen patients with rotator cuff tears and 14 healthy individuals were set up with 35 reflective markers on the trunk and upper limb tracked by an optoelectronic system to measure the scapulohumeral rhythm...
October 2016: Journal of Shoulder and Elbow Surgery
Birgit Castelein, Barbara Cagnie, Thierry Parlevliet, Ann Cools
BACKGROUND: The quality of the scapular movement depends on the coordinated activity of the surrounding scapulothoracic muscles. Besides the well-known changes in Trapezius and Serratus Anterior (SA) activity in patients with subacromial impingement syndrome (SIS), no studies exist that have investigated the activity of the smaller less superficial muscles that attach on the scapula (Pectoralis Minor (Pm), the Levator Scapulae (LS) and the Rhomboid Major (RM)) in a population with SIS, despite the hypothesized importance of these muscles in shoulder function...
June 2016: Manual Therapy
Liesbet De Baets, Sara Van Deun, Davide Monari, Ellen Jaspers
Poor scapulothoracic control is a risk for developing shoulder pathology, but has received little attention so far in individuals with stroke (IwS). Trunk and scapular kinematics and surface muscle activity were measured in 15 healthy controls and 18 IwS during a low and high forward flexion (FF). Group-differences in trunk and scapular kinematics were assessed during low and high FF using a t-test (independent samples). Differences in muscle onset and offset time relative to movement start (both FF tasks) were determined using a mixed model taking into account the different groups and muscles...
August 2016: Human Movement Science
Bradley Schoch, Thomas Shives, Bassem Elhassan
Scapulectomy can dramatically alter glenohumeral function and the ability of patients to conduct activities of daily living. In oncologic cases, treatment of the tumor can compromise local musculature, making successful reconstruction difficult to achieve. Depending on the resection level, local musculature may be inadequate to restore shoulder range of motion and/or glenohumeral stability. Surgeons have attempted to address these issues via soft-tissue repairs, allograft replacement, and prosthetic replacement, with variable success...
June 2016: Journal of the American Academy of Orthopaedic Surgeons
Ana Antunes, Filomena Carnide, Ricardo Matias
Emerging evidence suggests that scapular-focused therapeutic exercises hold promise for shoulder dynamic stability retraining. While recent findings show that therapeutic exercises can alter scapular neuromuscular function measured with muscle electromyography, no study has yet addressed the effects of kinematic biofeedback for improving scapulothoracic control and performance. The aim of this study was to assess the effectiveness of kinematic biofeedback on motor relearning transfer during shoulder flexion and a daily activity, on the quality of scapular-focused exercise performance, and on execution time...
August 2016: Human Movement Science
Hiroshi Takasaki, Edwin Choon Wyn Lim, Benjamin Soon
OBJECTIVES: The purpose was to synthesize the current evidence for the impact of muscle fatigue on measures for active repositioning task of the glenohumeral or scapulothoracic movements including the absolute error and/or scapulothoracic resting alignment. METHODS: We searched the PubMed, EMBASE, MEDLINE, CINAHL, SCOPUS, SportDiscuss and the Cochrane library databases. We included papers using a fatiguing task as part of their experimental design. Meta-analyses were undertaken for the active repositioning acuity of the glenohumeral outer/inner range of external rotation, glenohumeral inner range of internal rotation and scapulothoracic resting alignment in the scapular upward/downward rotation, anterior/posterior tilt and protraction/retraction planes...
July 2016: Physical Therapy in Sport
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