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Ergonomics

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https://www.readbyqxmd.com/read/28645269/restricted-posture-in-dentistry-a-kinematic-analysis-of-orthodontists
#1
Daniela Ohlendorf, Christina Erbe, Imke Hauck, Jennifer Nowak, Ingo Hermanns, Dirk Ditchen, Rolf Ellegast, David A Groneberg
BACKGROUND: This study aims at identifying orthodontic activities with the highest frequency of unfavorable/awkward and static postures held over a period of more than 4 s based on kinematic analysis. Moreover, a separate analysis of static postures for orthodontic and non-orthodontic activities serves to evaluate the duration for which these particular postures are assumed. METHODS: In total, 21 (13f/8 m) orthodontists (age: 31.5 ± 3.8 years) participated in this study...
June 23, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28644545/robotic-versus-laparoscopic-rectal-surgery-in-high-risk-patients
#2
Jamil Ahmed, Han Cao, Sofoklis Panteleimonitis, Jim Khan, Amjad Parvaiz
AIM: Laparoscopic rectal surgery is associated with a steep learning curve and high conversion rate despite progress in equipment design and consistent practice. The robotic system has shown the advantage over laparoscopic approach due to stable three-dimensional views, improved dexterity and better ergonomics. These factors make the robotic approach more favourable for rectal surgery. The aim of this study was to compare the perioperative outcomes of laparoscopic and robotic rectal cancer surgery in high-risk patients...
June 23, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28643066/solving-the-surgeon-ergonomic-crisis-with-surgical-exosuit
#3
Shanglei Liu, Daniel Hemming, Ran B Luo, Jessica Reynolds, Jonathan C Delong, Bryan J Sandler, Garth R Jacobsen, Santiago Horgan
INTRODUCTION: The widespread adoption of laparoscopic surgery has put new physical demands on the surgeon leading to increased musculoskeletal disorders and injuries. Shoulder, back, and neck pains are among the most common complaints experienced by laparoscopic surgeons. Here, we evaluate the feasibility and efficacy of a non-intrusive progressive arm support exosuit worn by surgeons under the sterile gown to reduce pain and fatigue during surgery. METHODS AND PROCEDURES: This is a prospective randomized crossover study approved by the Internal Review Board (IRB)...
June 22, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28640771/comparison-of-jamar-and-bodygrip-dynamometers-for-handgrip-strength-measurement
#4
Rita S Guerra, Teresa F Amaral, Ana S Sousa, Isabel Fonseca, Fernando Pichel, Maria T Restivo
Guerra, RS, Amaral, TF, Sousa, AS, Fonseca, I, Pichel, F, and Restivo, MT. Comparison of Jamar and Bodygrip dynamometers for handgrip strength measurement. J Strength Cond Res 31(7): 1931-1940, 2017-Studies that compared the agreement between Jamar and other models of dynamometers for handgrip strength (HGS) measurement have exhibited variability in the provided results. The lack of comparability between dynamometers led to the development of the Bodygrip dynamometer. This study aims to examine the reliability of the Bodygrip for HGS measurement, to compare it with the Jamar, and to explore the HGS differences between instruments considering the ergonomic effect of using the Bodygrip with 2 different handles...
July 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28639113/ergonomic-strategies-to-improve-radiographers-posture-during-mammography-activities
#5
Nicolai Cernean, Florentino Serranheira, Pedro Gonçalves, Cláudia Sá Dos Reis
OBJECTIVES: To identify alternatives for radiographers' postures while performing mammography that can contribute to reduce the risk of work-related musculoskeletal disorders (WRMSDs). METHODS: Radiographers' postures to positioning craniocaudal (CC) and mediolateral oblique (MLO) views were simulated without any intervention for three scenarios: radiographer/patient with similar statures, radiographer smaller than patient and radiographer taller than patient. Actions were taken to modify the postures: seated radiographer; patient on a step; seated patient; radiographer on a step...
June 21, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28636453/testing-the-efficacy-of-existing-force-endurance-models-to-account-for-the-prevalence-of-obesity-in-the-workforce
#6
Mojdeh Pajoutan, Lora A Cavuoto, Ranjana K Mehta
This study evaluated whether the existing force-endurance relationship models are predictive of endurance time for overweight and obese individuals, and if not, provide revised models that can be applied for ergonomics practice. Data was collected from 141 participants (49 normal weight, 50 overweight, 42 obese) who each performed isometric endurance tasks of hand grip, shoulder flexion, and trunk extension at four levels of relative workload. Subject-specific fatigue rates and a general model of the force-endurance relationship were determined and compared to two fatigue models from the literature...
June 21, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28628750/ergonomic-benefits-from-a-laparoscopic-instrument-with-rotatable-handle-piece-depend-on-the-area-of-the-operating-field-and-working-height
#7
Benjamin Steinhilber, Florian Reiff, Robert Seibt, Monika A Rieger, Peter Martus, Bernhard Kraemer, Ralf Rothmund
Objective To evaluate the effect of a laparoscopic instrument with a 360° rotatable handle piece (rot-HP) on biomechanical stress and precision in different areas of a simulated operating field at two working heights. Background Surgeons performing laparoscopic procedures are exposed to biomechanical stress and have an increased risk of musculoskeletal complaints. Method Fifty-seven healthy subjects (27 men, median age 26) without experience in laparoscopy performed a precision task in four quadrants (A-D) of the operating field using the rot-HP or a common fixed handle piece (fixed-HP) at an individually adjusted lower or higher working height...
June 1, 2017: Human Factors
https://www.readbyqxmd.com/read/28624991/a-new-global-and-comprehensive-model-for-icu-ventilator-performances-evaluation
#8
Nicolas S Marjanovic, Agathe De Simone, Guillaume Jegou, Erwan L'Her
BACKGROUND: This study aimed to provide a new global and comprehensive evaluation of recent ICU ventilators taking into account both technical performances and ergonomics. METHODS: Six recent ICU ventilators were evaluated. Technical performances were assessed under two FIO2 levels (100%, 50%), three respiratory mechanics combinations (Normal: compliance [C] = 70 mL cmH2O(-1)/resistance [R] = 5 cmH2O L(-1) s(-1); Restrictive: C = 30/R = 10; Obstructive: C = 120/R = 20), four exponential levels of leaks (from 0 to 12...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28621698/from-the-past-to-the-future-integrating-work-experience-into-the-design-process
#9
João Marcos Bittencourt, Francisco Duarte, Pascal Béguin
BACKGROUND: Integrating work activity issues into design process is a broadly discussed theme in ergonomics. Participation is presented as the main means for such integration. However, a late participation can limit the development of both project solutions and future work activity. OBJECTIVE: This article presents the concept of construction of experience aiming at the articulated development of future activities and project solutions. It is a non-teleological approach where the initial concepts will be transformed by the experience built up throughout the design process...
June 14, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28621697/innovation-systemic-appropriation-and-prevention-in-the-granite-mining-sector-the-case-of-humidification
#10
R W B Mendes, V Pueyo, P Béguin, F J C M Duarte
BACKGROUND: This research was conducted in the Brazilian granite mining sector. After epidemiological studies, it was established that professional pneumoconiosis is related to the inhalation of dust. Therefore, the Brazilian mining health and safety regulatory standard made it compulsory to provide humidification throughout the extraction and mineral treatment processes. OBJECTIVE: To develop the concept of systemic appropriation of the technological innovations that aim to protect the worker's health...
June 14, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28621694/ergonomics-as-a-tool-to-improve-the-sustainability-of-the-workforce
#11
Felipe Meyer, Gabriel Eweje, David Tappin
BACKGROUND: The sustainability of the workforce is threatened due to working conditions. One of the reasons for this is an imbalance between the working conditions and the capacity of the workers. OBJECTIVE: The objective of the paper, based on a literature review, is to explore the relationship between two main concepts, beginning with sustainability, and finished with ergonomics. Based on that relationship, determine if ergonomics could be helpful to improve the sustainability of the workforce...
June 14, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28617624/how-satisfied-are-patients-when-their-choice-of-funded-glucose-meter-is-restricted-to-a-single-brand
#12
Christy Macdonald, Helen Lunt, Michelle Downie, Deborah Kendall
BACKGROUND: Many governments and insurers are driving down the cost of medical devices, including glucose meters, by the central management of purchasing decisions. We report patients' responses to an "enforced" change in brand of glucose meter, one year after the introduction of a national sole supplier arrangement for funded glucose meters and strips. METHOD: Specialist diabetes clinic attendees from two geographical locations completed a questionnaire one year after the final meter changeover date...
February 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28611320/prevalence-of-low-back-pain-and-carpal-tunnel-syndrome-among-dental-practitioners-in-dakshina-kannada-and-coorg-district
#13
D Anupama Prasad, Drithi Appachu, Vinayak Kamath, D Krishna Prasad
CONTEXT: Dental practitioners who usually have to work for long durations in a particular fixed posture are more prone to musculoskeletal disorders (MSDs), particularly those involving the hand and wrist and also of the lower back. AIMS: To study the prevalence of carpal tunnel syndrome (CTS) and low back pain (LBP) among dental practitioners and to correlate the symptoms with the duration of practice. SUBJECTS AND METHODS: A closed-end questionnaire was distributed to 100 dental practitioners from Dakshina Kannada and Coorg districts of Karnataka, India...
March 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28610814/analyzing-crowdsourced-ratings-of-speech-based-take-over-requests-for-automated-driving
#14
P Bazilinskyy, J C F de Winter
Take-over requests in automated driving should fit the urgency of the traffic situation. The robustness of various published research findings on the valuations of speech-based warning messages is unclear. This research aimed to establish how people value speech-based take-over requests as a function of speech rate, background noise, spoken phrase, and speaker's gender and emotional tone. By means of crowdsourcing, 2669 participants from 95 countries listened to a random 10 out of 140 take-over requests, and rated each take-over request on urgency, commandingness, pleasantness, and ease of understanding...
October 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28610811/human-factors-in-mental-healthcare-a-work-system-analysis-of-a-community-based-program-for-older-adults-with-depression-and-dementia
#15
Siobhan M Heiden, Richard J Holden, Catherine A Alder, Kunal Bodke, Malaz Boustani
Mental healthcare is a critical but largely unexplored application domain for human factors/ergonomics. This paper reports on a work system evaluation of a home-based dementia and depression care program for older adults, the Aging Brain Care program. The Workflow Elements Model was used to guide data collection and analysis of 59 h of observation, supplemented by key informant input. We identified four actors, 37 artifacts across seven types, ten action categories, and ten outcomes including improved health and safety...
October 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28609688/safe-patient-handling-behaviors-and-lift-use-among-hospital-nurses-a-cross-sectional-study
#16
Soo-Jeong Lee, Joung Hee Lee
PURPOSE: Patient handling is well known for the risk of musculoskeletal injury. Safe work practices are important to reduce risk of injury while performing patient handling tasks. This study investigated factors associated with safe patient handling behaviors and lift use among hospital nurses in the United States. METHODS: This study analyzed cross-sectional survey data from a statewide random sample of 221 hospital nurses in California who had patient handling duties...
June 11, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28609182/infrared-thermography-reveals-effect-of-working-posture-on-skin-temperature-in-office-workers
#17
Roope Lasanen, Markus K H Malo, Olavi Airaksinen, Jari Karhu, Juha Töyräs, Petro Julkunen
INTRODUCTION: Musculoskeletal symptoms related to using traditional computer workstations are common. To improve ergonomics of workstations quantitative methods for measuring muscle stress and strain are needed. We hypothesize that infrared thermography (IRT) is suited for this purpose. METHODS: This hypothesis was evaluated by estimating muscle activity in upright and traditional working postures with IRT and surface electromyography (sEMG). IRT and sEMG measurements were conducted in 14 female participants with both working postures...
June 13, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28608363/misynpat-an-integrated-knowledge-base-linking-clinical-genetic-and-structural-data-for-disease-causing-mutations-in-human-mitochondrial-aminoacyl-trna-synthetases
#18
Luc Moulinier, Raymond Ripp, Gaston Castillo, Olivier Poch, Marie Sissler
Numerous mutations in each of the mitochondrial aminoacyl-tRNA synthetases have been implicated in human diseases. The mutations are autosomal and recessive and lead mainly to neurological disorders, although with pleiotropic effects. The processes and interactions that drive the etiology of the disorders associated with mitochondrial aminoacyl-tRNA synthetases are far from understood. The complexity of the clinical, genetic and structural data requires concerted, interdisciplinary efforts to understand the molecular biology of these disorders...
June 12, 2017: Human Mutation
https://www.readbyqxmd.com/read/28607896/a-survey-of-work-related-musculoskeletal-disorders-among-otolaryngologists
#19
Twinkle Dabholkar, Sujata Yardi, Yogesh G Dabholkar, Haritosh K Velankar, Gaurav Ghuge
There are increased reports of prevalence of work-related musculoskeletal disorders (WRMSDs) in surgeons performing minimal access surgeries. Due to the nature of the speciality, otolaryngologists spend their work days in performing markedly precise procedures in small workspaces i.e. the patients' ear, nose and throat. Due to this, they frequently adopt awkward neck, back and shoulder postures while using devices like otoscope, endoscope and microscope. The field of otolaryngology has barely received any attention with respect to ergonomic assessment...
June 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28598769/a-study-of-the-prevalence-of-musculoskeletal-disorders-in-surgeons-performing-minimally-invasive-surgery
#20
Maria C Gutierrez-Diez, Maria A Benito-Gonzalez, Ramon Sancibrian, Marco A Gandarillas-Gonzalez, Carlos Redondo-Figuero, Jose C Manuel-Palazuelos
INTRODUCTION: Minimally invasive surgery (MIS) has shown significant benefits for patients and healthcare systems. However, due to the poor ergonomic adaptation of operating rooms and surgical instruments, most surgeons suffer from pain caused by musculoskeletal disorders (MSDs). METHODS: A descriptive survey on MIS surgeons working on different surgical specialties has been carried out in Hospital Valdecilla (Spain). The aim is to determine the prevalence of MSDs by using a personal interview and the standardized Nordic questionnaire (SNQ)...
June 9, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
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