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Scapular kinematics

Dayana P Rosa, John D Borstad, Lívia S Pogetti, Paula R Camargo
STUDY DESIGN: Parallel-group intervention with repeated measures. INTRODUCTION: Shortening of the pectoralis minor (PM) may contribute to alterations in scapular kinematics. PURPOSE OF THE STUDY: To evaluate the effects of a stretching protocol on function, muscle length, and scapular kinematics in subjects with and without shoulder pain. METHODS: A sample of 25 patients with shoulder pain and 25 healthy subjects with PM tightness performed a daily stretching protocol for 6 weeks...
October 18, 2016: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
Elizabeth E Hibberd, Kevin G Laudner, Kristen L Kucera, David J Berkoff, Bing Yu, Joseph B Myers
BACKGROUND: Subacromial space distance and forward head and shoulder posture are common characteristics resulting from swim training. These alterations can cause abnormal scapular kinematics and positioning, potentially increasing compression of structures in the subacromial space and increasing the risk for the development of swimmer's shoulder. PURPOSE: To evaluate the effect of the swim training season on subacromial space distance and forward head and forward shoulder posture as well as to determine the relationship between these variables...
October 18, 2016: American 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
Tsun-Shun Huang, Chien-Ying Huang, Hsiang-Ling Ou, Jiu-Jenq Lin
BACKGROUND: Patterns of scapular dyskinesis have unique scapular kinematics and associated muscular activation. The characteristics of unique dyskinesis patterns may be associated with functional disability. OBJECTIVES: To investigate whether the shoulder function level and primary dysfunction items were different in unique dyskinesis pattern. The factors associated with shoulder dysfunction in different dyskinesis patterns were identified. DESIGN: Cross-sectional study...
September 13, 2016: Manual Therapy
Jessy Lauer, Stéphane Vigier, Frédéric Delage, Alain Meudec, Jean-Michel Pollet, João Paulo Vilas-Boas, Annie Rouard
OBJECTIVE: Aquatic shoulder exercises are widely implemented into rehabilitation programs to provide early muscle strengthening and improved joint mobility. However, since the drag - the force exerted by the water on the moving segments - is very hard to measure, an in-depth knowledge of internal joint load is lacking, which ultimately prevents healthcare professionals from understanding all clinical implications. For the first time, shoulder joint moment, work, and power were calculated through a novel, validated numerical approach coupling fluid flow simulations and inverse dynamics...
September 2016: Annals of Physical and Rehabilitation Medicine
Alexandra Roren, Marie-Martine Lefevre-Colau, Agnès Roby-Brami, Christelle Nguyen, Serge Poiraudeau
OBJECTIVE: Scapular motion is essential for full, functional mobility of the arm. Many shoulder pathologies are associated with alterations of scapular kinematics which have been only little studied in total shoulder arthroplasties. The aim of this study was to compare the 3D scapula kinematics in two groups of patients with total shoulder anatomic (aTSA) or reverse (rTSA) arthoplasties to asymptomatic controls of comparable age during two arm elevation tasks (abduction and flexion) and two simulations of activity of daily living ("hair combing" and "back washing")...
September 2016: Annals of Physical and Rehabilitation Medicine
Karen A Keenan, Jonathan S Akins, Michelle Varnell, John Abt, Mita Lovalekar, Scott Lephart, Timothy C Sell
OBJECTIVE: To examine the effect of kinesiology tape (KT) on shoulder strength, proprioception, and scapular kinematics in healthy and Subacromial Impingement Syndrome (SAIS) subjects. DESIGN: Placebo-controlled quasi-experimental study. SETTING: Research laboratory. PARTICIPANTS: A total of 30 physically active subjects participated. Ten healthy subjects with no previous history of shoulder pathology received KT on the dominant shoulder...
June 19, 2016: Physical Therapy in Sport
Ayman Assi, Ziad Bakouny, Mohammad Karam, Abir Massaad, Wafa Skalli, Ismat Ghanem
The effect of dominance on upper limb (UL) kinematics has only been studied on scapular movements. Moreover, when an anatomical UL movement is performed in a specific plane, secondary movements in the remaining planes involuntarily occur. These secondary movements have not been previously evaluated. The aim of this study was to compare the kinematics of primary and secondary angles of dominant and non-dominant UL during anatomical movements in asymptomatic adults. 25 asymptomatic adults performed 6 anatomical movements bilaterally: shoulder flexion-extension, abduction-adduction, horizontal abduction-adduction, internal-external rotation, elbow flexion-extension and wrist pronation-supination...
September 14, 2016: Human Movement Science
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
Helga T Tucci, Lilian R Felicio, Kevin J McQuade, Debora Bevilaqua-Grossi, Paula Maria Ferreira Camarini, Anamaria S Oliveira
CONTEXT: Closed Kinetic Chain Upper Extremity Stability Test (CKCUES test) is a functional test for the upper extremity performed in the push-up position, where individuals support their body weight on one hand placed on the ground and swing the opposite hand until touching the hand on the ground, then switch hands and repeat the process as fast as possible for fifteen seconds. OBJECTIVE: To study scapular kinematics and kinetic measures during CKCUES test for three different distances between hands...
August 24, 2016: Journal of Sport Rehabilitation
Elif Turgut, Irem Duzgun, Gul Baltaci
BACKGROUND: This study analyzed the dynamic three-dimensional scapular kinematics and scapular asymmetry in participants with and without shoulder impingement syndrome. METHODS: Twenty-nine participants with shoulder impingement syndrome, have been suffering from unilateral shoulder pain at the dominant arm lasting more than six weeks and thirty-seven healthy controls participated in the study. Scapular kinematics was measured with an electromagnetic tracking device during shoulder elevation in the sagittal plane...
September 3, 2016: Clinical Biomechanics
Norman E D'hondt, Henri Kiers, Jan J M Pool, Sijmen T Hacquebord, Caroline B Terwee, Dirkjan E J Veeger
BACKGROUND: Deviant shoulder girdle movement is suggested as an eminent factor in the aetiology of shoulder pain. Reliable measurements of shoulder girdle kinematics are a prerequisite for optimizing clinical management strategies. PURPOSE: To evaluate reliability, measurement error and internal consistency of measurements with performance-based clinical tests for shoulder girdle kinematics and positioning in patients with shoulder pain. DATA SOURCES: Medline, Embase, CINAHL and SPORTDiscus were systematically searched from inception to August 2015...
September 1, 2016: Physical Therapy
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
Hsiang-Ling Ou, Tsun-Shun Huang, Yu-Ting Chen, Wen-Yin Chen, Yu-Li Chang, Tung-Wu Lu, Ting-Han Chen, Jiu-Jenq Lin
BACKGROUND: Scapular orientation and movements can affect the function of the shoulder. However, evidence is limited on whether symptomatic subjects can actively maintain the scapula in a neutral position through conscious control. OBJECTIVE: To investigate whether symptomatic subjects with scapular dyskinesis can achieve optimal scapular movements and associated muscle activities through conscious control. DESIGN: A cross-sectional study...
August 4, 2016: Manual Therapy
Naoya Kozono, Takamitsu Okada, Naohide Takeuchi, Satoshi Hamai, Hidehiko Higaki, Satoru Ikebe, Takeshi Shimoto, Go Miake, Yoshitaka Nakanishi, Yukihide Iwamoto
PURPOSE: The purpose of this study was to evaluate the kinematics of healthy shoulders during dynamic full axial rotation and scapular plane full abduction using three-dimensional (3D)-to-two-dimensional (2D) model-to-image registration techniques. METHODS: Dynamic glenohumeral kinematics during axial rotation and scapular plane abduction were analysed in 10 healthy participants. Continuous radiographic images of axial rotation and scapular plane abduction were taken using a flat panel radiographic detector...
August 10, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Wei-Ren Su, Wen-Ling Chen, Ruei-Heng Chen, Chih-Kai Hong, I-Ming Jou, Cheng-Li Lin
BACKGROUND: The presence of short malunion of clavicle fractures could result in alterations in static scapular position and dynamic scapular motion. Nevertheless, no report has ever addressed the kinematic changes of the scapula in patients with short malunion of clavicular fractures. The goal of this study was to compare the changes of shoulder function, and the consequent scapular kinematic changes between the fractured side and the sound side of the shoulder in non-surgically treated patients...
August 5, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
Arjen Kolk, Jan Ferdinand Henseler, Pieter Bas de Witte, Ewoud R A van Arkel, Cornelis P J Visser, Jochem Nagels, Rob G H H Nelissen, Jurriaan H de Groot
BACKGROUND: Subacromial pain syndrome (SAPS) and scapular dyskinesis are closely associated, but the role of pain is unknown. We hypothesized that pain results in asymmetrical scapular kinematics, and we expected more symmetrical kinematics after infiltration of subacromial anaesthetics. OBJECTIVE: To investigate the effect of subacromial anaesthetics on scapular kinematics in patients with SAPS. DESIGN: Observational cohort study. METHODS: We evaluated shoulder kinematics in 34 patients clinically and radiologically (magnetic resonance arthrography) identified with unilateral SAPS using three-dimensional electromagnetic motion analysis (Flock of Birds)...
July 17, 2016: Manual Therapy
Yoshihiro Kai, Masafumi Gotoh, Kazuto Takei, Kazuya Madokoro, Takeshi Imura, Shin Murata, Toru Morihara, Naoto Shiba
[Purpose] Early postoperative passive motion exercise after arthroscopic rotator cuff repair remains controversial. To better understand this issue, this study was aimed at evaluating scapular kinematics and muscle activities during passive arm elevation in healthy subjects. [Subjects and Methods] The dominant shoulders of 27 healthy subjects were examined. Electromagnetic sensors attached to the scapula, thorax, and humerus were used to determine three-dimensional scapular kinematics during active arm elevation with or without external loads and passive arm elevation...
June 2016: Journal of Physical Therapy Science
Elif Turgut, Irem Duzgun, Gul Baltaci
[Purpose] This study aimed to investigate the effect of trapezius muscle isometric strength on three-dimensional scapular kinematics in asymptomatic shoulders. [Subjects and Methods] Thirty asymptomatic subjects were included to the study. Isometric strengths of the upper, middle, and lower trapezius muscle were measured using a handheld dynamometer. Three-dimensional scapular kinematics was recorded by an electromagnetic tracking device during frontal and sagittal plane elevation. For each muscle, the cut-off value for muscle strength was determined with the upper bound of the 95% confidence interval, and Student's t-test was used to compare the scapular kinematics between subjects with relatively weaker or stronger trapezius muscles...
June 2016: Journal of Physical Therapy Science
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
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