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Glenohumeral AND strength

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https://read.qxmd.com/read/30791083/-do-changes-in-dental-occlusion-influence-the-rehabilitation-of-a-glenohumeral-internal-rotation-deficit-gird-in-professional-female-volleyball-players-a-pilot-study
#1
Sarah Baum, Heleen van Kampen, Nikolaus Ballenberger, Harry von Piekartz
INTRODUCTION:  There have been controversial discussions in research regarding the mutual relationship between changes in dental occlusion and postural reorganisation. Particularly in professional sports, the application of dental splints has been studied increasingly. However, there is a lack of data regarding the effects of a dental splint on the motor function of the shoulder joint, although overhead athletes often have to deal with long-lasting shoulder problems and their consequences...
February 21, 2019: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://read.qxmd.com/read/30789859/adaptive-changes-on-the-dominant-shoulder-of-collegiate-handball-players-a-comparative-study
#2
Tim Vogler, Dominik Schorn, Georg Gosheger, Nico Kurpiers, Kristian Schneider, Carolin Rickert, Dimosthenis Andreou, Dennis Liem
Vogler, T, Schorn, D, Gosheger, G, Kurpiers, N, Schneider, K, Rickert, C, Andreou, D, and Liem, D. Adaptive changes on the dominant shoulder of collegiate handball players-A comparative study. J Strength Cond Res 33(3): 701-707, 2019-Handball players are susceptible to adaptive bony and soft-tissue changes of the dominant shoulder. Our goal was to compare the glenohumeral range of motion and posterior capsule thickness between the dominant and nondominant arm of throwing athletes and between the dominant arm of nonthrowers and throwing athletes...
March 2019: Journal of Strength and Conditioning Research
https://read.qxmd.com/read/30675577/smartphone-applications-for-the-evaluation-of-pathologic-shoulder-range-of-motion-and-shoulder-scores-a-comparative-study
#3
Kevyn Mejia-Hernandez, Angela Chang, Nathan Eardley-Harris, Ruurd Jaarsma, Tiffany K Gill, James M McLean
Hypothesis and background: Accurate measurement of range of motion (ROM) is important in evaluating a pathologic shoulder and calculating shoulder scores. The aim of this study was to establish the reliability and validity of different smartphone applications (apps) in assessing pathologic shoulder ROM and to determine whether differences in recorded ROM measurements affect calculated shoulder scores. The authors hypothesized that there is no difference between shoulder ROM assessment methods and calculated shoulder scores...
March 2018: JSES Open Access
https://read.qxmd.com/read/30658049/a-12-week-tailored-manual-therapy-and-home-stretching-program-based-on-level-of-irritability-and-range-of-motion-impairments-in-patients-with-primary-frozen-shoulder-contracture-syndrome-a-case-series-with-9-months-follow-up
#4
Lirios Dueñas, Mercè Balasch-Bernat, Marta Aguilar-Rodríguez, Filip Struyf, Mira Meeus, Enrique Lluch
STUDY DESIGN: Case series. BACKGROUND: Manual therapy has been demonstrated to reduce pain and improve function in patients with frozen shoulder contracture syndrome (FSCS), but no evidence exists to support one form of manual therapy over another. The purpose of this case series was to describe both short and long-term outcomes after a manual therapy program and home stretching exercises based on specific impairments in shoulder mobility and level of tissue irritability in patients with FSCS...
January 18, 2019: Journal of Orthopaedic and Sports Physical Therapy
https://read.qxmd.com/read/30583654/-finite-element-analysis-of-the-influence-of-anchorage-number-and-location-on-bankart-repair-strength-of-shoulder-joint
#5
En-Chang Zhou, Hao Yin, Ping Tang, Yu-Yan Zhang, Bang-Guo Li
OBJECTIVE: To study the influence of the number and position of anchor nails on the Bankart repair by the finite element analysis. METHODS: The 3D CT data of shoulder joints including normal adult volunteers were imported into Mimics 10.0 and Geomagic 2012 software to reconstruct the related tissues, and then meshed in Hypermesh 13.0 software to give material attributes. The position and number of MPC constraints were adjusted in Abaqus 6.14 to establish finite element model of shoulder joint under 6 working conditions including A model(normal control model), B model (Bankart damage control model), C model (1 anchor), D model (2 anchors), E model (3 anchors), F model (4 anchors)...
December 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://read.qxmd.com/read/30514628/shoulder-biomechanics-of-rc-repair-and-instability-a-systematic-review-of-cadaveric-methodology
#6
Patrick Williamson, Amin Mohamadi, Arun J Ramappa, Joseph P DeAngelis, Ara Nazarian
BACKGROUND: Numerous biomechanical studies have addressed normal shoulder function and the factors that affect it. While these investigations include a mix of in-vivo clinical reports, ex-vivo cadaveric studies, and computer-based simulations, each has its own strengths and limitations. A robust methodology is essential in cadaveric work but does not always come easily. Precise quantitative measurements are difficult in in-vivo studies, and simulation studies require validation steps...
November 14, 2018: Journal of Biomechanics
https://read.qxmd.com/read/30509515/the-reachable-3-d-workspace-volume-is-a-measure-of-payload-and-body-mass-index-a-quasi-static-kinetic-assessment
#7
Miguel Nobre Castro, John Rasmussen, Shaoping Bai, Michael Skipper Andersen
An experimental protocol with five tasks is proposed for a low-cost empirical assessment of the reachable 3-D workspace (RWS), including both close-to-torso and far-from-torso regions. Ten participants repeated the protocol for four distinct hand payloads. The RWS expressed as a point cloud and its non-convex alpha-shape were obtained for each case. Moreover, individual strength surrogates for glenohumeral flexion and abduction, and elbow flexion were collected using a dynamometer. The RWS volume was statistically modelled using payload, body-mass-index and the strength surrogates as predictors...
February 2019: Applied Ergonomics
https://read.qxmd.com/read/30487753/isokinetic-characteristics-of-amateur-boxer-athletes
#8
Ioannis Tasiopoulos, Pantelis T Nikolaidis, Alexandra Tripolitsioti, Apostolos Stergioulas, Thomas Rosemann, Beat Knechtle
Aim: The kinetic chain of the punch of boxers is characterized by the contribution of the shoulder; however, the isokinetic muscle strength of shoulder's rotators muscles has not been well studied so far, especially with regards to performance. Therefore, the aim of the present study was (a) to profile the isokinetic muscle strength of rotators of the glenohumeral joint, bilateral (BL), unilateral (UL) and functional ratios in amateur boxers, and (b) to examine the variation of these muscle strength characteristics by performance level...
2018: Frontiers in Physiology
https://read.qxmd.com/read/30388669/musculoskeletal-predictors-of-non-contact-injury-in-cricketers-few-and-far-between-a-longitudinal-cohort-study
#9
Benita Olivier, Janine Gray
OBJECTIVE: To determine the musculoskeletal risk factors for injury amongst professional, domestic cricket players. DESIGN: Longitudinal cohort study. SETTING: Medical suites associated with the respective cricket franchises. PARTICIPANTS: Professional, domestic cricket players (n = 97). MAIN OUTCOME MEASURES: A pre-participatory musculoskeletal screening battery consisting of 21 tests including flexibility, neural tension, stability, strength, balance and pain provocation tests at the start of the cricket season...
November 2018: Physical Therapy in Sport
https://read.qxmd.com/read/30359870/effects-of-an-anteroposterior-mobilization-of-the-glenohumeral-joint-in-overhead-athletes-with-chronic-shoulder-pain-a-randomized-controlled-trial
#10
Lluch E, D Pecos-Martín, V Domenech-García, P Herrero, T Gallego-Izquierdo
BACKGROUND: Passive oscillatory mobilizations are often employed by physiotherapists to reduce shoulder pain and increase function. However, there is little data about the neurophysiological effects of these mobilizations. OBJECTIVES: To investigate the initial effects of an anteroposterior (AP) shoulder joint mobilization on measures of pain and function in overhead athletes with chronic shoulder pain. DESIGN: Double-blind, controlled, within-subject, repeated-measures design...
December 2018: Musculoskeletal Science & Practice
https://read.qxmd.com/read/30192247/preoperative-narcotic-use-and-inferior-outcomes-after-anatomic-total-shoulder-arthroplasty-a-clinical-and-radiographic-analysis
#11
Kirk M Thompson, Justin D Hallock, Richard A Smith, Tyler J Brolin, Frederick M Azar, Thomas W Throckmorton
INTRODUCTION: Our purpose was to determine whether the chronic use of preoperative narcotics adversely affected clinical and/or radiographic outcomes. METHODS: Seventy-three patients (79 shoulders) with primary total shoulder arthroplasty for osteoarthritis were evaluated clinically and radiographically at preoperative visits and postoperatively at a minimum follow-up of 2 years: 26 patients (28 shoulders) taking chronic narcotic pain medication for at least 3 months before surgery and 47 patients (51 shoulders) who were not taking narcotics preoperatively...
September 5, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://read.qxmd.com/read/30176442/regional-activation-of-anterior-and-posterior-supraspinatus-differs-by-plane-of-elevation-hand-load-and-elevation-angle
#12
Alan C Cudlip, Clark R Dickerson
The supraspinatus is one of the muscles of the rotator cuff, and growing research on fibre type composition and mechanical advantages in specific postures suggest this muscle may have distinct anterior and posterior regions. Activation differences between these regions may identify important functional differences. This research quantified muscular activation of these regions throughout a range of motion with differing hand loads. Forty participants completed paced humeral elevations in 7 planes of elevation (0/15/30/40/60/75/90°) using 3 hand loads (unloaded arm/20%/40% maximal elevation strength)...
December 2018: Journal of Electromyography and Kinesiology
https://read.qxmd.com/read/30145130/concurrent-validity-of-handheld-dynamometer-measurements-for-scapular-protraction-strength
#13
Ricardo Marcos Liberatori Junior, Walter Ansanello Netto, Gabriela Ferreira Carvalho, Gisele Garcia Zanca, Salomão Chade Assan Zatiti, Stela Marcia Mattiello
BACKGROUND: Handheld dynamometers (HHD) provide quick and low-cost assessments of muscle strength and their use has been increasing in clinical practice. There is no available data related to the validity of HHD for this measurement. OBJECTIVE: To verify the concurrent validity of scapular protraction measurements using an HHD. METHODS: Individuals with traumatic anterior glenohumeral instability were allocated in Instability Group (n=20), healthy swimmers were allocated in Athletes Group (n=19) and healthy subjects were allocated in Sedentary Group (n=21)...
August 21, 2018: Brazilian Journal of Physical Therapy
https://read.qxmd.com/read/30090688/nonoperative-treatment-for-injuries-to-the-in-season-throwing-shoulder-a-current-concepts-review-with-clinical-commentary
#14
Michael A Stone, Omid Jalali, Ram K Alluri, Paul R Diaz, Reza Omid, Seth C Gamradt, James E Tibone, Erik N Mayer, Alexander Weber
Repetitive overhead throwing generates tremendous demands on the shoulder joint of the overhead athlete. Clinicians, therapists, and medical staff are charged with optimizing a throwing athlete's shoulder mobility and stability to maximize performance and prevent injury. Modifiable risk factors such as strength asymmetry, glenohumeral range of motion deficits, and scapulothoracic joint abnormalities contribute to the overhead athlete's predisposition to shoulder injury. Most shoulder injuries in the overhead thrower can be successfully treated nonoperatively to allow in-season return to sport...
April 2018: International Journal of Sports Physical Therapy
https://read.qxmd.com/read/30074436/elite-male-field-hockey-players-have-symmetric-isokinetic-glenohumeral-strength-profiles-but-show-asymmetry-in-scapular-muscle-strength
#15
Fran Vanderstukken, Nick Jansen, Tom Mertens, Ann M Cools
Shoulders of elite field hockey players are loaded continuously during play. However, shoulder girdle muscle performance in this population has never been examined yet. This study aimed to compare isokinetic shoulder girdle performance in elite male field hockey players to matched controls, with respect to strength, endurance and muscle balance. The complete male national field hockey team of Belgium (n = 25) was included and matched to a gender- and age-matched control group of healthy participants (n = 25)...
August 3, 2018: Journal of Sports Sciences
https://read.qxmd.com/read/30027078/bankart-lesion-repair-biomechanical-and-anatomical-analysis-of-mason-allen-and-simple-sutures-in-a-swine-model
#16
Ricardo Barreto Monteiro Dos Santos, Cleber Maciel de Morais Prazeres, Ricardo Mertens Fittipaldi, João Monteiro Neto, Tiago Cerqueira Lima Nogueira, Saulo Monteiro Dos Santos
Objective: To evaluate the labral height and pullout resistance after the repair of Bankart lesions in the glenohumeral joint of swine models, using double-loaded anchors with two suture configurations: simple and Mason-Allen. Methods: Ten swine shoulders were used, in which Bankart lesions were created. For each specimen, the lesion was sutured randomly with Mason-Allen sutures or simple sutures. The labral height was measured before the lesion was created and after the labral repair...
July 2018: Revista Brasileira de Ortopedia
https://read.qxmd.com/read/30025379/scapular-muscles-weakness-in-subjects-with-traumatic-anterior-glenohumeral-instability
#17
Walter Ansanello Netto, Gisele Garcia Zanca, Michele Forgiarini Saccol, Salomão Chade Assan Zatiti, Stela Márcia Mattiello
OBJECTIVE: To investigate possible alterations on scapular muscle strength in subjects with traumatic anterior glenohumeral instability. DESIGN: Cross-sectional study. SETTING: Laboratory setting. PARTICIPANTS: Fifty-two subjects of both sexes: 26 healthy and 26 with traumatic anterior glenohumeral instability. MAIN OUTCOME MEASURES: Subjects performed maximal isometric and concentric isokinetic contractions of shoulder protraction and retraction in scapular and sagittal planes, at slow (12...
September 2018: Physical Therapy in Sport
https://read.qxmd.com/read/29961233/surgical-strategy-in-extensive-proximal-brachial-plexus-palsies
#18
M Le Hanneur, T Lafosse, A Cambon-Binder, Z Belkheyar
PURPOSE: To describe and assess an overall surgical strategy addressing extensive proximal brachial plexus injuries (BPI). METHODS: Forty-five consecutive patients' charts with C5-C6-C7 and C5-C6-C7-C8 BPI were reviewed. Primary procedures were nerve transfers to restore elbow function and grafts to restore shoulder function when a cervical root was available; when nerve surgery was not possible or had failed, tendon transfers were conducted at the elbow while addressing shoulder function with glenohumeral arthrodesis or humeral osteotomy...
June 30, 2018: Musculoskeletal Surgery
https://read.qxmd.com/read/29786625/differences-in-glenohumeral-joint-rotation-and-peak-power-output-between-super-league-and-championship-rugby-league-players
#19
Matthew R Haines
Haines, MR. Differences in glenohumeral joint rotation and peak power output between Super League and Championship Rugby League players. J Strength Cond Res 32(6): 1685-1691, 2018-Rugby league is a high-intensity sport with large impact forces sustained during play, resulting in high prevalence of shoulder injury. Consequently, shoulder strength and player power are important considerations for injury prevention and performance. Additionally, professional teams regularly compete against semiprofessional teams, where differences in physical conditioning could be marked...
June 2018: Journal of Strength and Conditioning Research
https://read.qxmd.com/read/29624450/national-athletic-trainers-association-position-statement-evaluation-management-and-outcomes-of-and-return-to-play-criteria-for-overhead-athletes-with-superior-labral-anterior-posterior-injuries
#20
Lori A Michener, Jeffrey S Abrams, Kellie C Huxel Bliven, Sue Falsone, Kevin G Laudner, Edward G McFarland, James E Tibone, Charles A Thigpen, Timothy L Uhl
OBJECTIVE:   To present recommendations for the diagnosis, management, outcomes, and return to play of athletes with superior labral anterior-posterior (SLAP) injuries. BACKGROUND:   In overhead athletes, SLAP tears are common as either acute or chronic injuries. The clinical guidelines presented here were developed based on a systematic review of the current evidence and the consensus of the writing panel. Clinicians can use these guidelines to inform decision making regarding the diagnosis, acute and long-term conservative and surgical treatment, and expected outcomes of and return-to-play guidelines for athletes with SLAP injuries...
March 2018: Journal of Athletic Training
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