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https://www.readbyqxmd.com/read/28644933/survey-of-hand-and-upper-extremity-injuries-among-rock-climbers
#1
Clayton E Nelson, Ghazi M Rayan, Dustin I Judd, Kai Ding, Julie A Stoner
BACKGROUND: Rock climbing first evolved as a sport in the late 18th century. With its growing popularity, the number of rock climbing-related injuries has potential to increase, spurring a rise in the number of articles associated with it. Despite the available literature, there remains a paucity of information about upper extremity injuries sustained by rock climbers, and no studies to date have focused on gender-specific injuries. METHODS: A 24-question online survey was distributed to rock climbers about upper extremity injuries sustained during rock climbing...
July 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28632594/outcome-of-early-and-late-diagnosed-essex-lopresti-injury
#2
Marc Schnetzke, Felix Porschke, Karin Hoppe, Stefan Studier-Fischer, Paul-Alfred Gruetzner, Thorsten Guehring
BACKGROUND: The aim of this study was to investigate the outcomes in a large series of Essex-Lopresti injuries (ELIs) and to compare patients with early and late diagnoses. METHODS: Thirty-one patients with an ELI (average age and standard deviation [SD], 46 ± 10 years) who were followed for a minimum of 2 years were included in the study. Patients were grouped according to whether the ELI had been diagnosed early (on the day of the injury) or late (>4 weeks after the radial head injury)...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28619447/similar-movements-are-associated-with-drastically-different-muscle-contraction-velocities
#3
Daniel A Hagen, Francisco J Valero-Cuevas
We investigated how kinematic redundancy interacts with the neurophysiological control mechanisms required for smooth and accurate, rapid limb movements. Biomechanically speaking, tendon excursions are over-determined because the rotation of few joints determines the lengths and velocities of many muscles. But how different are the muscle velocity profiles induced by various, equally valid hand trajectories? We used an 18-muscle sagittal-plane arm model to calculate 100,000 feasible shoulder, elbow, and wrist joint rotations that produced valid basketball free throws with different hand trajectories, but identical initial and final hand positions and velocities...
May 31, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28606638/retrospective-cohort-study-on-radial-head-replacements-comparing-results-between-smooth-and-porous-stem-designs
#4
Mélissa Laflamme, Pierre-Philippe Grenier-Gauthier, Alexandre Leclerc, Stéphanie Antoniades, Anne-Marie Bédard
BACKGROUND: When necessary, radial head integrity after a fracture can be re-created by the use of a radial head arthroplasty if the radial head is judged irreparable. The purpose of this study was to compare the clinical and radiographic outcomes of metal modular radial head replacements with a smooth vs. a porous stem. METHODS: A retrospective cohort study of radial head replacements performed in the first 4 weeks after a trauma in an adult patient at our institution between 2000 and 2014 was completed...
June 9, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28577034/antero-lateral-minimally-invasive-plate-osteosynthesis-mipo-with-the-radial-nerve-exploration-for-extra-articular-distal-third-diaphyseal-fractures-of-the-humerus
#5
Wei Zhao, Wei Qu, Chongyang Fu, Huajun Jiang, Sida Liu, Chao Cheng
INTRODUCTION: Traditional open reduction and internal fixation (ORIF) of extra-articular distal humerus fractures has a risk of iatrogenic radial nerve injury, extensive soft tissue stripping, and long incision scar. We performed an antero-lateral minimally invasive plate osteosynthesis (MIPO) technique with the radial nerve exploration for distal-third diaphyseal fractures of the humerus and evaluated clinical and radiographic outcomes through this respective study. METHODS: From April 2010 to June 2016, 28 cases of extra-articular distal-third diaphyseal fractures were treated with an antero-lateral MIPO procedure...
June 2, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28576698/impact-of-shoulder-rotation-on-neck-shaft-angle-a-clinical-study
#6
J H Assunção, E A Malavolta, R A Beraldo, M E C Gracitelli, M Bordalo-Rodrigues, A A Ferreira Neto
BACKGROUND: Two recent experimental studies evaluated the influence of shoulder rotation on neck-shaft angle, with conflicting results. However, there have been no clinical studies of whether this angle varies in different shoulder positions. The present study aimed to determine whether shoulder rotation affects neck-shaft angle on standard radiographs in patients with complaints of shoulder pain. HYPOTHESIS: Shoulder rotation does not affect neck-shaft angle. MATERIALS AND METHODS: A prospective study was conducted in selected patients with shoulder pain...
May 30, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28575710/upper-limb-movement-analysis-during-gait-in-multiple-sclerosis-patients
#7
Charlotte Elsworth-Edelsten, Alice Bonnefoy-Mazure, Magali Laidet, Stephane Armand, Frederic Assal, Patrice Lalive, Gilles Allali
PURPOSE: Gait disorders in multiple sclerosis (MS) are well studied; however, no previous study has described upper limb movements during gait. However, upper limb movements have an important role during locomotion and can be altered in MS patients due to direct MS lesions or mechanisms of compensation. The aim of this study was to describe the arm movements during gait in a population of MS patients with low disability compared with a healthy control group. METHODS: In this observational study we analyzed the arm movements during gait in 52 outpatients (mean age: 39...
May 30, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28571218/functional-results-of-communited-intra-articular-distal-humerus-fractures-treated-with-bicolumnar-plating
#8
Siddharth Rashmikant Virani, Sandeep Sonone, Aditya Anand Dahapute, Inayat Panda, Kunal Dwijen Roy
INTRODUCTION: Communited intra-articular distal humerus fractures are commonly encountered in orthopaedic practice and they are present with unique difficulties for internal fixation. This problem is especially worse in the elderly due to osteoporotic bone. AIM: To evaluate the intermediate term results (minimum follow up of two years) of communited intra-articular distal humerus fractures treated with bicolumnar plating with or without olecranon osteotomy in elderly Indian population...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28549892/radial-head-arthroplasty-in-the-active-duty-military-service-member-with-minimum-2-year-follow-up
#9
John C Dunn, Nicholas A Kusnezov, Logan R Koehler, Emmanuel D Eisenstein, Kelly G Kilcoyne, Justin D Orr, Justin S Mitchell
PURPOSE: Radial head arthroplasty (RHA) is a viable treatment for complex radial head fracture. Whereas elbow stability and function is typically restored at short- to mid-term follow-up, the outcome in higher-demand populations is not well defined. We sought to characterize the functional and occupational outcomes following RHA in an active duty military population with intense upper extremity demands. METHODS: We retrospectively reviewed the records of all U.S...
May 24, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28541901/changes-of-shoulder-elbow-and-wrist-stiffness-matrix-post-stroke
#10
Li-Qun Zhang, Jongsang Son, Hyung-Soon Park, Sang Hoon Kang, Yunju Lee, Yupeng Ren
Stroke affects multiple joints in the arm with stereotypical patterns of arm deformity involving the shoulder, elbow, wrist and hand and with disrupted coordination of multiple joints in active movements. However, there is a lack of systematic methods to evaluate multi-joints and multi-degree of freedoms (DOF) neuromechanical changes, especially for complex systems with three or more joints/DOFs involved. This study used a novel systematic method to characterize dynamics and control of the shoulder, elbow and wrist of the human arm individually and simultaneously, including the couplings across the multiple joints during controlled movements...
May 23, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28539911/the-use-of-functional-electrical-stimulation-on-the-upper-limb-and-interscapular-muscles-of-patients-with-stroke-for-the-improvement-of-reaching-movements-a-feasibility-study
#11
Alicia Cuesta-Gómez, Francisco Molina-Rueda, Maria Carratala-Tejada, Eukene Imatz-Ojanguren, Diego Torricelli, Juan Carlos Miangolarra-Page
INTRODUCTION: Reaching movements in stroke patients are characterized by decreased amplitudes at the shoulder and elbow joints and greater displacements of the trunk, compared to healthy subjects. The importance of an appropriate and specific contraction of the interscapular and upper limb (UL) muscles is crucial to achieving proper reaching movements. Functional electrical stimulation (FES) is used to activate the paretic muscles using short-duration electrical pulses. OBJECTIVE: To evaluate whether the application of FES in the UL and interscapular muscles of stroke patients with motor impairments of the UL modifies patients' reaching patterns, measured using instrumental movement analysis systems...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28528627/physical-risk-factors-identification-based-on-body-sensor-network-combined-to-videotaping
#12
Nicolas Vignais, Fabien Bernard, Gérard Touvenot, Jean-Claude Sagot
The aim of this study was to perform an ergonomic analysis of a material handling task by combining a subtask video analysis and a RULA computation, implemented continuously through a motion capture system combining inertial sensors and electrogoniometers. Five workers participated to the experiment. Seven inertial measurement units, placed on the worker's upper body (pelvis, thorax, head, arms, forearms), were implemented through a biomechanical model of the upper body to continuously provide trunk, neck, shoulder and elbow joint angles...
May 18, 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28526421/delayed-repair-of-distal-biceps-tendon-ruptures-is-successful-a-case-control-study
#13
John Haverstock, Ruby Grewal, Graham J W King, George S Athwal
BACKGROUND: The literature has shown an increased complication rate with a delay to surgical repair of acute distal biceps tendon ruptures; however, little has been documented regarding the outcome of delayed repairs. This case-control study compared a study cohort of delayed (>21 days) distal biceps tendon repairs with a control cohort repaired acutely (<21 days). METHODS: Sixteen delayed repair cases were reviewed and matched with acute controls (1:3) based on repair technique, age, and workers' compensation status...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28506003/synergy-effects-of-combined-multichannel-emg-triggered-electrical-stimulation-and-mirror-therapy-in-subacute-stroke-patients-with-severe-or-very-severe-arm-hand-paresis
#14
Thomas Schick, Hans-Peter Schlake, Juliane Kallusky, Günter Hohlfeld, Maria Steinmetz, Florian Tripp, Karsten Krakow, Michaela Pinter, Christian Dohle
BACKGROUND: Neurorehabilitation requires the development of severity-dependent and successful therapies for arm/hand rehabilitation in stroke patients. OBJECTIVE: To evaluate the effectiveness of adding mirror therapy to bilateral EMG-triggered multi-channel electrostimulation for the treatment of severe arm/hand paresis in stroke patients. METHODS: The subjects of this randomized, controlled, multicentre study were stroke patients who had suffered their first insult between 1 and 6 months before study start and had severe or very severe arm/hand paresis, as classified by Fugl-Meyer-Assessment...
2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28506002/transcranial-direct-current-stimulation-combined-with-visuo-motor-training-as-treatment-for-chronic-stroke-patients
#15
Elena L Pavlova, Påvel Lindberg, Amirah Khan, Sigurd Ruschkowski, Michael A Nitsche, Jörgen Borg
BACKGROUND: Recent studies exploring the combined effect of motor learning and transcranial direct current stimulation (tDCS) for stroke rehabilitation have shown partially conflicting results. OBJECTIVE: To test the efficacy of an optimized hand training approach combined with tDCS in stroke patients. METHODS: In the present pilot study we investigated motor effects of four-week training with a visuomotor grip force tracking task combined with tDCS in 11 chronic stroke patients...
2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28505986/combined-transcranial-direct-current-stimulation-and-robotic-upper-limb-therapy-improves-upper-limb-function-in-an-adult-with-cerebral-palsy
#16
Kathleen M Friel, Peter Lee, Lindsey V Soles, Ana R P Smorenburg, Hsing-Ching Kuo, Dylan J Edwards
BACKGROUND: Robotic therapy can improve upper limb function in hemiparesis. Excitatory transcranial direct current stimulation (tDCS) can prime brain motor circuits before therapy. OBJECTIVE: We tested safety and efficacy of tDCS plus robotic therapy in an adult with unilateral spastic cerebral palsy (USCP). METHODS: In each of 36 sessions, anodal tDCS (2 mA, 20 min) was applied over the motor map of the affected hand. Immediately after tDCS, the participant completed robotic therapy, using the shoulder, elbow, and wrist (MIT Manus)...
May 10, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28496293/the-effect-of-dopaminergic-medication-on-joint-kinematics-during-haptic-movements-in-individuals-with-parkinson-s-disease
#17
Kuan-Yi Li, Pei-Yi Chu, Kristen A Pickett
This study examined whether altered joint angular motion during haptic exploration could account for a decline in haptic sensitivity in individuals with PD by analyzing joint position data during haptic exploration of a curved contour. Each participant's hand was passively moved by a robotic arm along the edges of a virtual box (5 cm × 15 cm) with a curved left wall. After each trial, participants indicated whether the contour was curved or straight. Visual, auditory, and tactile cues were occluded, and an electrogoniometer recorded shoulder and elbow joint angles during each trial...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/28486932/risk-assessment-of-manual-handling-operations-at-work-with-the-key-indicator-method-kim-mho-determination-of-criterion-validity-regarding-the-prevalence-of-musculoskeletal-symptoms-and-clinical-conditions-within-a-cross-sectional-study
#18
Andre Klussmann, Falk Liebers, Hansjürgen Gebhardt, Monika A Rieger, Ute Latza, Ulf Steinberg
BACKGROUND: Manual handling operations (MHO) are known to be risk factors for work-related upper limb disorders (WRULDs), e.g. symptoms and conditions such as carpal tunnel syndrome. To estimate the risk of WRULDs, a Key Indicator Method (KIM) for the risk assessment of MHO was developed. The method was validated in regard to different criteria, including face validity, criterion validity, reliability and further aspects concerning utility. This paper describes the KIM-MHO and criterion validity of this method with reference to prevalence of musculoskeletal disorders (MSDs)...
May 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28481385/an-assessment-of-the-safety-of-an-orthopedic-specialty-hospital-a-5-year-experience
#19
Eric M Padegimas, Matthew L Ramsey, Matthew Austin, Javad Parvizi, Gerald R Williams, Kelly Doyle, Michael E West, Richard H Rothman, Alexander R Vaccaro, Surena Namdari
One of the goals of orthopedic specialty hospitals is to provide safe and efficient care to medically optimized patients. The authors' orthopedic specialty hospital is a physician-owned, 24-bed facility that accommodates a multispecialty orthopedic practice in the areas of spine, hip and knee arthroplasty, shoulder and elbow, sports, foot and ankle, and hand surgery. The purpose of this study was to examine the first 5 years of an institutional experience with an orthopedic specialty hospital and to determine if any procedures were at increased risk of postoperative transfer...
May 8, 2017: Orthopedics
https://www.readbyqxmd.com/read/28478977/diffusion-tensor-fractional-anisotropy-in-the-superior-longitudinal-fasciculus-correlates-with-functional-independence-measure-cognition-scores-in-patients-with-cerebral-infarction
#20
Tetsuo Koyama, Kazuhisa Domen
BACKGROUND: This study aimed to determine the relationship between fiber tract degeneration measured by diffusion-tensor imaging (DTI) and outcome of patients after cerebral infarction. METHODS: Fractional anisotropy (FA) maps were generated by DTI in patients 14-21 days after the first infarction and were analyzed by tract-based spatial statistics (TBSS). Mean FA values within the corticospinal tract (CST) and the superior longitudinal fasciculus (SLF) were extracted from individual TBSS data...
May 3, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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