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Scapular kinematics

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https://www.readbyqxmd.com/read/29761537/scapular-upward-rotator-morphologic-characteristics-in-individuals-with-and-without-forward-head-posture-a-case-control-study
#1
Fariba Khosravi, Anneli Peolsson, Noureddin Karimi, Leila Rahnama
OBJECTIVES: There are several reports suggesting that forward head posture contributes to alterations in scapular kinematics and muscle activity, leading to the development of shoulder problems. Currently, it is unknown whether forward head posture alters the thickness of the scapular muscles. The aim of this study was to compare the thickness of the serratus anterior and upper and lower trapezius muscles at rest and during loaded isometric contractions in individuals with and without forward head posture...
May 15, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29602634/scapular-kinematic-alterations-during-arm-elevation-with-decrease-in-pectoralis-minor-stiffness-after-stretching-in-healthy-individuals
#2
Jun Umehara, Masatoshi Nakamura, Satoru Nishishita, Hiroki Tanaka, Ken Kusano, Noriaki Ichihashi
BACKGROUND: Pectoralis minor tightness may be seen in individuals with scapular dyskinesis, and stretching is used for the treatment of altered scapular motion in sports and clinical fields. However, few researchers have reported on the effects of pectoralis minor stiffness on scapular motion during arm elevation. This study investigated whether an acute decrease of pectoralis minor stiffness after stretching changes the scapular motion during arm elevation. METHODS: The study allocated 15 dominant and 15 nondominant upper limbs in healthy men as control and interventional limbs, respectively...
March 27, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29577813/scapular-kinematics-during-scaption-in-competitive-swimmers
#3
Y Blache, B Gillet, J Selin, V Sevrez, I Rogowski
This study aimed (1) to describe and compare scapular kinematics between three groups of swimmers of different levels and a group of non-swimmers, and (2) to assess whether swimming practice alters the asymmetries in scapular kinematics between the dominant and non-dominant sides, both during unilateral arm raising and lowering in the scapular plane. Scapular kinematics were assessed bilaterally during arm raising and lowering in the scapular plane using an electromagnetic system in 42 healthy males, which were split into four groups: control (n = 11), adolescent elite swimmers (n = 11), adult elite swimmers (n = 10), and club-level adult swimmers (n = 10)...
March 24, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29576312/directional-bias-of-soft-tissue-artifacts-on-the-acromion-during-recording-of-3d-scapular-kinematics
#4
Shoji Konda, Wataru Sahara, Kazuomi Sugamoto
Scapular kinematics during sports performances can be recorded using skin-mounted trackers attached to the skin overlying the acromion for continuous data collection without restricting natural motions of the subject relative to medical imaging analyses limiting its use for wide-range or high-speed motions. This study aimed to describe the existence of a directional bias in the translational and rotational errors of skin-mounted trackers using a 3D magnetic resonance imaging (3D-MRI) protocol. 3D-MRI scans of the healthy right shoulders of 19 males were acquired in 12 arm positions...
March 10, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29566570/three-dimensional-assessment-of-the-asymptomatic-and-post-stroke-shoulder-intra-rater-test-retest-reliability-and-within-subject-repeatability-of-the-palpation-and-digitization-approach
#5
Liza A M Pain, Ross Baker, Qazi Zain Sohail, Denyse Richardson, Karl Zabjek, Jeremy P M Mogk, Anne M R Agur
PURPOSE: Altered three-dimensional (3D) joint kinematics can contribute to shoulder pathology, including post-stroke shoulder pain. Reliable assessment methods enable comparative studies between asymptomatic shoulders of healthy subjects and painful shoulders of post-stroke subjects, and could inform treatment planning for post-stroke shoulder pain. The study purpose was to establish intra-rater test-retest reliability and within-subject repeatability of a palpation/digitization protocol, which assesses 3D clavicular/scapular/humeral rotations, in asymptomatic and painful post-stroke shoulders...
March 23, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29554550/scapular-kinematics-during-manual-wheelchair-propulsion-in-able-bodied-participants
#6
Michel J Bekker, Riemer J K Vegter, Jan W van der Scheer, Johanneke Hartog, Sonja de Groot, Wiebe de Vries, Ursina Arnet, Lucas H V van der Woude, Dirkjan H E J Veeger
BACKGROUND: Altered scapular kinematics have been associated with shoulder pain and functional limitations. To understand kinematics in persons with spinal cord injury during manual handrim wheelchair propulsion, a description of normal scapular behaviour in able-bodied persons during this specific task is a prerequisite for accurate interpretation. The primary aim of this study is to describe scapular kinematics in able-bodied persons during manual wheelchair propulsion. METHODS: Sixteen able-bodied, novice wheelchair users without shoulder complaints participated in the study...
March 14, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29501288/the-effect-of-adenotonsillectomy-on-the-position-of-head-cervical-and-thoracic-spine-and-scapular-girdle-of-mouth-breathing-children
#7
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
https://www.readbyqxmd.com/read/29478944/scapular-kinematic-and-shoulder-muscle-activity-alterations-after-serratus-anterior-muscle-fatigue
#8
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
https://www.readbyqxmd.com/read/29449083/three-dimensional-scapular-dyskinesis-in-hook-plated-acromioclavicular-dislocation-including-hook-motion
#9
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/29407859/an-index-to-quantify-deviations-from-normal-trunk-mobility-clinical-correlation-and-initial-test-of-validity
#10
Yannick Delpierre, Michel Ritz, Cyril Garnier
BACKGROUND: In case of people suffering from chronic low back pain, specific movements of the hip, pelvis, and trunk are associated with pain. Comparing range of motion measurements for multiple planes and from different segments and lines in reference to those of healthy individuals seems interesting but present interpretations challenge in relation to important number of variables and correlation with clinical data. METHODS: The proposed index is based on using principal component analysis to quantify differences in trunk mobility between patients with chronic low back pain and a control group...
February 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29407353/scapular-kinematics-in-professional-wheelchair-tennis-players
#11
Martin B Warner, David Wilson, Markus O Heller, Dan Wood, Peter Worsley, Sarah Mottram, Nick Webborn, DirkJan Veeger, Mark Batt
BACKGROUND: Participating in wheelchair tennis increases the demands placed on the shoulder and could increase the risk of developing shoulder pain and injury that might be associated with differences in scapular kinematics. The aim of the study was to examine the presence of shoulder pain and scapular kinematics in professional wheelchair tennis players. METHOD: Scapular kinematics were obtained in 11 professional wheelchair tennis players, 16 people with shoulder impingement and 16 people without shoulder impingement during humeral elevation and lowering...
March 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29364027/effects-of-kinesiology-taping-on-scapular-reposition-accuracy-kinematics-and-muscle-activity-in-athletes-with-shoulder-impingement-syndrome-a-randomized-controlled-study
#12
Yi-Fen Shih, Ya-Fang Lee, Wen-Yin Chen
CONTEXT: Scapular proprioception is a key concern in managing shoulder impingement syndrome (SIS). However, no study has examined the effect of elastic taping on scapular proprioception performance. OBJECTIVE: To investigate the immediate effect of kinesiology taping on scapular reposition accuracy, kinematics and muscle activation in individuals with shoulder impingement syndrome. DESIGN: Randomized controlled study. SETTING: Musculoskeletal laboratory, National Yang-Ming University, Taiwan...
January 24, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29338846/comparison-of-two-trunk-electromagnetic-sensor-placement-methods-during-shoulder-motion-analysis
#13
Hillary A Plummer, Federico Pozzi, Lori A Michener
For kinematic studies of the shoulder, electromagnetic sensors are commonly placed on the humerus, scapula, and trunk. The trunk sensor is used to describe humeral and scapular kinematics with respect to the trunk. There are two common trunk sensor placements, the sternum or third thoracic vertebrae (T3). It is currently unclear if placement of the trunk sensor affects kinematics, making it difficult to compare data across studies. The purpose of this study was to compare two trunk sensor placements (T3 and sternum) on trunk and scapular kinematics during arm elevation...
February 8, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29334846/scapular-motion-adaptations-in-junior-overhead-athletes-a-three-dimensional-kinematic-analysis-in-tennis-players-and-non-overhead-athletes
#14
Elif Turgut, Filiz Fatma Colakoglu, Gul Baltaci
Adult overhead athletes without a history of shoulder injury show scapular adaptations. There is a lack of detailed assessment of scapular kinematics in junior overhead athletes. This study aims to investigate three-dimensional scapular kinematics in junior overhead athletes. We recruited a total of 20 junior tennis players and 20 healthy children without participation in any overhead sports in this study. Bilateral scapular kinematic data were recorded using an electromagnetic tracking device for scapular plane glenohumeral elevation...
January 16, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29325577/dynamic-kinematics-of-the-glenohumeral-joint-in-shoulders-with-rotator-cuff-tears
#15
Naoya Kozono, Takamitsu Okada, Naohide Takeuchi, Satoshi Hamai, Hidehiko Higaki, Takeshi Shimoto, Satoru Ikebe, Hirotaka Gondo, Yoshitaka Nakanishi, Takahiro Senju, Yasuharu Nakashima
BACKGROUND: No clear trend has emerged from the literature regarding three-dimensional (3D) translations of the humerus relative to the scapula in shoulders with rotator cuff tears (RCTs). The purpose of this study was to evaluate the kinematics of RCT shoulders using 3D-to-two-dimensional (2D) model-to-image registration techniques. METHODS: Dynamic glenohumeral kinematics during scapular plane abduction and axial rotation were analyzed in 11 RCT patients and 10 healthy control subjects...
January 11, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29274455/biomechanical-analysis-of-the-shoulder-of-swimmers-after-a-maximal-effort-test
#16
Felipe S Serenza, Anamaria S Oliveira, Bruno L S Bedo, Fàbio P Mariano, Rodrigo Aquino, Martin Warner, Paulo R P Santiago
OBJECTIVES: To compare the kinematics and electromyography of the periscapular muscles in swimmers before and after a 3-min maximal effort test. PARTICIPANTS: 16 competitive swimmers. MAIN OUTCOME MEASUREMENTS: Infrared cameras were used to record kinematics in the scapular plane in synchronization with the electromyography system. RESULTS: There was an increase in internal rotation in all angles (p < 0.05), an increase of the anterior tilt, with 120° of elevation (p = 0...
March 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29245139/scapular-focused-exercise-treatment-protocol-for-shoulder-impingement-symptoms-three-dimensional-scapular-kinematics-analysis
#17
Gisele Harumi Hotta, Adriane Lopes Santos, Kevin James McQuade, Anamaria Siriani de Oliveira
BACKGROUND: The present study aimed to describe the effects of a periscapular strengthening and neuromuscular training protocol in three-dimensional scapular kinematics and resting positioning in participants with shoulder impingement symptoms. Self-reported function was also evaluated. METHOD: The study group comprised 50 subjects with shoulder impingement syndrome (control group, n=25; treatment group, n=25). The treatment group underwent 8weeks of neuromuscular training and periscapular strengthening...
January 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29237578/the-effectiveness-of-exercise-therapy-on-scapular-position-and-motion-in-individuals-with-scapular-dyskinesis-systematic-review-protocol
#18
Afsun Nodehi Moghadam, Kianoush Abdi, Mohsen Shati, Shohreh Noorizadeh Dehkordi, Abbas Ali Keshtkar, Zahra Mosallanezhad
BACKGROUND: Scapular dyskinesis is an alteration in normal scapular position and motion. Some researchers believe that altered kinematics of the scapula subsequent to dysfunction or weakness of scapular stabilizing muscles contributes to impingement syndrome. Scapular muscle exercises are included in the rehabilitation of patients with subacromial impingement syndrome and scapular dyskinesis because the muscular system is one of the major contributors of scapular positioning both at rest and during shoulder movement, but there is considerable uncertainty relating to the relative effectiveness of such approaches on changing scapular position and motion...
December 13, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29196161/effects-of-trapezius-kinesio-taping-on-scapular-kinematics-and-associated-muscular-activation-in-subjects-with-scapular-dyskinesis
#19
Tsun-Shun Huang, Hsiang-Ling Ou, Jiu-Jenq Lin
STUDY DESIGN: Crossover repeated-measure design. INTRODUCTION: Scapular dyskinesis rehabilitation programs that focus on inhibiting upper trapezius (UT) and activating the lower trapezius (LT) may assist in restoring scapular movements. We hypothesized that taping may be able to normalize scapular movements and associated muscular recruitment. PURPOSE OF THE STUDY: The purpose of this study was to investigate the immediate effects of kinesio taping over trapezius on scapular kinematics and muscular activation in different dyskinesis patterns...
November 28, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/29183307/the-immediate-effect-of-muscle-release-intervention-on-muscle-activity-and-shoulder-kinematics-in-patients-with-frozen-shoulder-a-cross-sectional-exploratory-study
#20
Yi-Fen Shih, Pei-Wen Liao, Chun-Shou Lee
BACKGROUND: Contractile tissue plays an important role in mobility deficits in frozen shoulder (FS). However, no study has assessed the effect of the muscle release technique on the muscle activation and kinematics in individuals with FS. The purposes of this study were to assess the differences in shoulder muscle activity and kinematics between the FS and asymptomatic groups; and to determine the immediate effects of muscle release intervention in the FS group. METHODS: Twenty patients with FS and 20 asymptomatic controls were recruited...
November 28, 2017: BMC Musculoskeletal Disorders
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