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https://www.readbyqxmd.com/read/29627608/effect-of-wheelchair-stroke-pattern-on-upper-extremity-muscle-fatigue
#1
Brittany Bickelhaupt, Sakiko Oyama, Jonathan Benfield, Keith Burau, Shuko Lee, Michelle Trbovich
BACKGROUND: Shoulder dysfunction is common in persons with spinal cord injury (SCI) with an incidence of up to 63%1 . Dysfunction is a result of muscle imbalances, specifically denervated rotator cuff muscles that are repetitively used during manual wheelchair propulsion. OBJECTIVE: To determine which arm stroke technique, pump (P) or semicircular (SC), is most energy efficient for long periods of propulsion. DESIGN: A small randomized study with repeated-measures observations...
April 5, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29613925/determination-of-elbow-laxity-in-a-sequential-soft-tissue-injury-model-a-cadaveric-study
#2
Marc Schnetzke, Moritz Bergmann, Kilian Wegmann, Lars-Peter Müller, Stephan Grechenig, Paul-Alfred Grützner, Thorsten Guehring
BACKGROUND: The objective of our study was to analyze, under fluoroscopy, joint angulation of uninjured elbows and elbows with distinct induced collateral ligament injury. METHODS: Twelve elbow specimens were tested for varus and valgus joint angulation using 4 different examination methods (application of both varus and valgus stress by each of 2 examiners [Examiner 1 and Examiner 2] and application of 1 and 2 Nm of torque using a calibrated electric force scale) in 4 elbow positions (in full extension with 90° of supination and 90° of pronation, and in 30° of flexion with 90° of supination and 90° of pronation)...
April 4, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29596450/manual-muscle-testing-and-hand-held-dynamometry-in-people-with-inflammatory-myopathy-an-intra-and-interrater-reliability-and-validity-study
#3
Pierrette Baschung Pfister, Eling D de Bruin, Iris Sterkele, Britta Maurer, Rob A de Bie, Ruud H Knols
Manual muscle testing (MMT) and hand-held dynamometry (HHD) are commonly used in people with inflammatory myopathy (IM), but their clinimetric properties have not yet been sufficiently studied. To evaluate the reliability and validity of MMT and HHD, maximum isometric strength was measured in eight muscle groups across three measurement events. To evaluate reliability of HHD, intra-class correlation coefficients (ICC), the standard error of measurements (SEM) and smallest detectable changes (SDC) were calculated...
2018: PloS One
https://www.readbyqxmd.com/read/29581995/role-of-rotational-kinematics-in-minimizing-elbow-varus-torques-for-professional-versus-high-school-pitchers
#4
Micheal J Luera, Brittany Dowling, Mitchel A Magrini, Tyler W D Muddle, Ryan J Colquhoun, Nathaniel D M Jenkins
Background: Elbow injury rates among baseball pitchers are rapidly rising. However, this increase has been most dramatic among high school (HS) pitchers. Purpose: To examine pitch velocity and the kinetic and kinematic characteristics of HS versus professional (PRO) pitchers to identify potential differences that may play a role in the increased risk of ulnar collateral ligament injury in youth pitchers. Study Design: Controlled laboratory study...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29571031/defining-the-upper-extremity-range-of-motion-for-safe-automobile-driving
#5
Aziz Rawal, Ash Chehata, Tim Horberry, Matthew Shumack, Chao Chen, Luke Bonato
BACKGROUND: There are no guidelines for return to driving following upper extremity injury. A greater comprehension of the role of the upper extremity in driving is required to assist clinicians in their fitness-to-drive assessments. This research aims to assist clinicians by analyzing the motion at the upper extremity in safe automobile driving. METHODS: Thirty-six participants were recruited to the Monash University Accident Research Centre's driving simulator...
March 15, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29570751/applying-a-hybrid-experimental-computational-technique-to-study-elbow-joint-ligamentous-stabilizers
#6
Danial Sharifi Kia, Ryan Willing
Much of our understanding of the role of elbow ligaments to overall joint biomechanics has been developed through in vitro cadaver studies using joint motion simulators. The principle of superposition can be used to indirectly compute the force contributions of ligaments during prescribed motions. Previous studies have analyzed the contribution of different soft tissue structures to the stability of human elbow joints, but have limitations in evaluating the loads sustained by those tissues. This manuscript introduces a unique, hybrid experimental-computational technique for measuring and simulating the biomechanical contributions of ligaments to elbow joint kinematics and stability...
March 21, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29553555/an-objective-and-child-friendly-assessment-of-arm-function-by-using-a-3-d-sensor
#7
Xing Chen, Detlef Wolf, Juliane Siebourg-Polster, Christian Czech, Ulrike Bonati, Dirk Fischer, Omar Khwaja, Martin Strahm
Progressive and irreversible muscle atrophy characterizes Spinal Muscular Atrophy (SMA) and other similar muscle disorder diseases. Objective assessment of muscle functions is an essential and important, although challenging, prerequisite for successful clinical trials. Current clinical rating scales restrain the movement abnormalities to certain predefined coarse-grained individual items. The Kinect 3-D sensor has emerged as a low-cost and portable motion sensing technology used to capture and track people's movement in many medical and research fields...
February 12, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29552031/development-of-a-system-architecture-for-evaluation-and-training-of-proprioceptive-deficits-of-the-upper-limb
#8
Roberto Colombo, Alessandra Mazzone, Carmen Delconte, Fabrizio Pisano
Proprioception plays a fundamental role in maintaining posture and executing movement, and the quantitative evaluation of proprioceptive deficits in poststroke patients is important. But currently it is not widely performed due to the complexity of the evaluation tools required for a reliable assessment. The aims of this pilot study were to (a) develop a system architecture for upper limb evaluation and training of proximal and distal sense of position in the horizontal plane and (b) test the system in healthy and pathological subjects...
2018: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/29551672/the-use-of-nerve-transfers-to-restore-upper-extremity-function-in-cervical-spinal-cord-injury
#9
Ida K Fox, Christine B Novak, Emily M Krauss, Gwendolyn M Hoben, Craig Zaidman, Rimma Ruvinskaya, Neringa Juknis, Anke C Winter, Susan E Mackinnon
BACKGROUND: Nerve transfer surgery to restore upper extremity (UE) function in cervical spinal cord injury (SCI) is novel and may transform treatment. Determining candidacy even years post-SCI is ill-defined and deserves investigation. OBJECTIVE: To develop a diagnostic algorithm, focusing on electrodiagnostic studies (EDX), to determine eligibility for nerve transfer surgery. DESIGN: Retrospective descriptive case series SETTING: Tertiary university-based institution PATIENTS: Individuals with cervical SCI (n = 45) METHODS: The electronic medical records of people referred to the Plastic and Reconstructive Surgery UE Surgery in SCI clinic from 2010-2015 were reviewed...
March 15, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29529919/effects-of-kinect-based-virtual-reality-game-training-on-upper-extremity-motor-recovery-in-chronic-stroke
#10
Ayhan Aşkın, Emel Atar, Hikmet Koçyiğit, Aliye Tosun
BACKGROUND: Therapeutic benefits of Kinect-based virtual reality (VR) game training in rehabilitation encourage its use to improve motor function. OBJECTIVE: To assess the effects of Kinect-based VR training on motor recovery of the upper extremity and functional outcomes in patients with chronic stroke. METHODS: In this randomized controlled trial, group A received 20 sessions of physical therapy (PT) + 20 sessions of Kinect-based VR training and group B received only 20 sessions of PT...
March 13, 2018: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/29527238/fractures-of-the-capitellum-humeri-and-their-associated-injuries
#11
Valentin Rausch, Matthias Königshausen, Thomas A Schildhauer, Jan Gessmann, Dominik Seybold
Objective: Fractures of the capitellum are rare injuries but are often more complex and of a greater extent than assumed from conventional radiographs. Classification is usually based on their extension in relation to the trochlea the trochlea and on the number of fragments. Information on associated injuries is limited and only reported in small case series. The aim of this retrospective study was to report on our experience with capitellar fractures and their associated injuries. Methods: We retrospectively reviewed all patients treated for fractures of the capitellum humeri at our institute between 2005 and 2017...
2018: Obere Extremität
https://www.readbyqxmd.com/read/29504584/sex-comparisons-of-non-local-muscle-fatigue-in-human-elbow-flexors-and-knee-extensors
#12
Xin Ye, Travis W Beck, Nathan P Wages, Joshua C Carr
OBJECTIVES: To examine non-local muscle fatigue (NLMF) in both contralateral homologous and non-related heterogonous muscles for both sexes. METHODS: Ten men and nine women participated in this study. After the familiarization visit, subjects completed four separate randomly sequenced experimental visits, during which the fatiguing interventions (six sets of 30-second maximal isometric contractions) were performed on either their right elbow flexors or knee extensors...
March 1, 2018: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/29504338/efficacy-of-a-single-injection-sodium-hyaluronate-treatment-in-lateral-epicondylitis
#13
Inam Ullah Khan, Abdus Saboor Awan, Aimal Sattar Khan, Imran Marwat, Muhammad Meraj
BACKGROUND: Lateral epicondylitis or tennis elbow is a disease of tendons arising from common extensor origin at the lateral epicondyle of elbow and is commonly characterized by pain on supination of forearms as well as extension of fingers and wrists. METHODS: This descriptive case series aims to determine the efficacy of a single-injection sodium hyaluronate treatment for lateral epicondylitis. The study was conducted at the Department of Orthopaedics. Ayub Teaching Hospital Abbottabad...
January 2018: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29499712/pilot-testing-of-the-spring-operated-wearable-enhancer-for-arm-rehabilitation-springwear
#14
Ji Chen, Peter S Lum
BACKGROUND: Robotic devices for neurorehabilitation of movement impairments in persons with stroke have been studied extensively. However, the vast majority of these devices only allow practice of stereotyped components of simulated functional tasks in the clinic. Previously we developed SpringWear, a wearable, spring operated, upper extremity exoskeleton capable of assisting movements during real-life functional activities, potentially in the home. SpringWear assists shoulder flexion, elbow extension and forearm supination/pronation...
March 2, 2018: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29479544/ulnar-collateral-ligament-reconstruction-versus-repair-with-internal-bracing-comparison-of-cyclic-fatigue-mechanics
#15
Christopher M Jones, David P Beason, Jeffrey R Dugas
Background: Ulnar collateral ligament (UCL) injuries have increased significantly in recent years, and reconstruction has become the preferred treatment for UCL injury over ligament repair. In a recent study, UCL repair with internal bracing demonstrated significantly greater resistance to gap formation in biomechanical tests, even at low cycles of valgus loading. Purpose/Hypothesis: The purpose of this study was to compare the fatigue and failure mechanics of traditional UCL reconstruction with UCL repair and internal bracing...
February 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29456095/comparison-of-median-nerve-mechanosensitivity-and-pressure-pain-threshold-in-patients-with-nonspecific-neck-pain-and-asymptomatic-individuals
#16
Seval Yılmaz, Serkan Taş, Öznur Tunca Yılmaz
OBJECTIVE: The purpose of this study was to investigate the presence of median nerve mechanosensitivity by comparing median nerve neurodynamic test results of patients with nonspecific neck pain (NNP) and asymptomatic individuals. METHODS: A total of 40 patients (30 women, 10 men) with NNP between the ages of 21 and 62 years (39.53 ± 10.18 years) and 38 asymptomatic individuals (23 women, 15 men) between the ages of 18 and 60 years (37.13 ± 9.64 years) participated in the study...
March 2018: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29400683/preliminary-research-of-a-novel-center-driven-robot-for-upper-extremity-rehabilitation
#17
Wujing Cao, Fei Zhang, Hongliu Yu, Bingshan Hu, Qiaoling Meng
BACKGROUND: Loss of upper limb function often appears after stroke. Robot-assisted systems are becoming increasingly common in upper extremity rehabilitation. Rehabilitation robot provides intensive motor therapy, which can be performed in a repetitive, accurate and controllable manner. OBJECTIVE: This study aims to propose a novel center-driven robot for upper extremity rehabilitation. METHODS: A new power transmission mechanism is designed to transfer the power to elbow and shoulder joints from three motors located on the base...
January 19, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29400671/effects-of-modified-constraint-induced-movement-therapy-with-trunk-restraint-in-early-stroke-patients-a-single-blinded-randomized-controlled-pilot-trial
#18
Dae-Hyouk Bang, Won-Seob Shin, Ho-Suk Choi
BACKGROUND: Reducing compensatory strategies during repetitive upper-limb training may be helpful in relearning motor skills. OBJECTIVE: To explore the effects of modified constraint-induced movement therapy (mCIMT), additionally modified by adding trunk restraint (TR), on upper-limb function and activities of daily living (ADLs) in early post-stroke patients. METHODS: Twenty-four participants with early stroke were randomly assigned to mCIMT combined with TR (mCIMT + TR) or mCIMT alone...
2018: NeuroRehabilitation
https://www.readbyqxmd.com/read/29399851/ultrasound-strain-imaging-to-assess-the-biceps-brachii-muscle-in-chronic-poststroke-spasticity
#19
Jing Gao, Johnson Chen, Michael O'Dell, Pai-Chi Li, Wen He, Li-Juan Du, Jonathan M Rubin, William Weitzel, Robert Min
OBJECTIVES: The aim of the study was to assess the feasibility of ultrasound strain imaging in characterizing the biceps brachii muscle in chronic poststroke spasticity. METHODS: We prospectively analyzed strain imaging data from bilateral biceps brachii muscles in 8 healthy volunteers and 7 patients with poststroke chronic spasticity. Axial deformations of the biceps brachii muscle and overlying subcutaneous tissue were produced by external compression using a sandbag (1...
February 5, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29398131/quantitative-ultrasound-imaging-to-assess-the-biceps-brachii-muscle-in-chronic-post-stroke-spasticity-preliminary-observation
#20
Jing Gao, Wen He, Li-Juan Du, Johnson Chen, David Park, Michael Wells, Brian Fowlkes, Michael O'Dell
We prospectively investigated the feasibility of using quantitative ultrasound imaging (QUI) to assess the biceps brachii muscle (BBM) in individuals with chronic post-stroke spasticity. To quantify muscle echogenicity and stiffness, we measured QUI parameters (gray-scale pixel value and shear wave velocity [SWV, m/s]) of the BBM in three groups: 16 healthy BBMs; 12 post-stroke, non-spastic BBMs; and 12 post-stroke, spastic BBMs. The QUI results were compared with the Modified Ashworth Scale and Tardieu Scale...
February 2, 2018: Ultrasound in Medicine & Biology
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