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https://www.readbyqxmd.com/read/29244746/effects-of-beetroot-juice-supplementation-on-a-30-s-high-intensity-inertial-cycle-ergometer-test
#1
Raul Domínguez, Manuel Vicente Garnacho-Castaño, Eduardo Cuenca, Pablo García-Fernández, Arturo Muñoz-González, Fernando de Jesús, María Del Carmen Lozano-Estevan, Sandro Fernandes da Silva, Pablo Veiga-Herreros, José Luis Maté-Muñoz
Background: Beetroot juice (BJ) is rich in inorganic nitrates and has proved effective at increasing blood nitric oxide (NO) levels. When used as a supplement BJ has shown an ergogenic effect on cardiorespiratory resistance exercise modalities, yet few studies have examined its impact on high intensity efforts. Objective: To assess the effects of BJ intake on anaerobic performance in a Wingate test. Methods: Fifteen trained men (age 21.46 ± 1.72 years, height 1.78 ± 0.07 cm and weight 76.90 ± 8.67 kg) undertook a 30-s maximum intensity test on an inertial cycle ergometer after drinking 70 mL of BJ (5...
December 15, 2017: Nutrients
https://www.readbyqxmd.com/read/29240039/an-overview-of-low-back-pain-and-occupational-exposures-to-whole-body-vibration-and-mechanical-shocks
#2
Massimo Bovenzi, Marianne Schust, Marcella Mauro
This paper offers an overview of the relation of low back pain (LBP) to occupational exposures to whole-body vibration (WBV) and mechanical shocks. LBP is a condition of multifactorial origin and is a very common health problem in the general population. Among occupational risk factors, epidemiological studies of driving occupations have provided evidence for strong associations between LBP and occupational exposures to WBV and mechanical shocks. Since it is hard to separate the contribution of WBV exposure to disorders in the lower back from that of other individual, ergonomic or psychosocial risk factors, a quantitative exposure-response relationship for WBV cannot be outlined precisely...
December 14, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/29223495/estimation-of-spinal-joint-centers-from-external-back-profile-and-anatomical-landmarks
#3
A Nerot, W Skalli, X Wang
Defining a subject-specific model of the human body is required for motion analysis in many fields, such as in ergonomics and clinical applications. However, locating internal joint centers from external characteristics of the body still remains a challenging issue, in particular for the spine. Current methods mostly require a set of rarely accessible (3D back or trunk surface) or operator dependent inputs (large number of palpated landmarks and landmarks-based anthropometrics). Therefore, there is a need to provide an alternative way to estimate joint centers only using a limited number of easily palpable landmarks and the external back profile...
November 20, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29218670/systematic-review-of-robotic-low-anterior-resection-for-rectal-cancer
#4
Christoph Holmer, Martin E Kreis
BACKGROUND: Potential advantages of robotic surgery, such as 3-dimensional high-definition vision, wrist-like movements of instruments, stable camera holding, motion filter for tremor-free surgery, and improved ergonomics, may provide better clinical, oncological, and functional outcomes in rectal cancer surgery, as suggested in many comparative studies. However, there has not been a systematic review specific to LAR/TME for rectal cancer that includes both robotic versus laparoscopic and robotic versus open comparative studies...
December 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29217092/mri-based-experimentations-of-fingertip-flat-compression-geometrical-measurements-and-finite-element-inverse-simulations-to-investigate-material-property-parameters
#5
Jérémy Dallard, Xavier Merlhiot, Noémie Petitjean, Sonia Duprey
Modeling human-object interactions is a necessary step in the ergonomic assessment of products. Fingertip finite element models can help investigating these interactions, if they are built based on realistic geometrical data and material properties. The aim of this study was to investigate the fingertip geometry and its mechanical response under compression, and to identify the parameters of a hyperelastic material property associated to the fingertip soft tissues. Fingertip compression tests in an MRI device were performed on 5 subjects at either 2 or 4 N and at 15° or 50°...
November 29, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29216849/economic-evaluations-of-ergonomic-interventions-preventing-work-related-musculoskeletal-disorders-a-systematic-review-of-organizational-level-interventions
#6
Hélène Sultan-Taïeb, Annick Parent-Lamarche, Aurélie Gaillard, Susan Stock, Nektaria Nicolakakis, Quan Nha Hong, Michel Vezina, Youssouph Coulibaly, Nicole Vézina, Diane Berthelette
BACKGROUND: Work-related musculoskeletal disorders (WMSD) represent a major public health problem and economic burden to employers, workers and health insurance systems. This systematic review had two objectives: (1) to analyze the cost-benefit results of organizational-level ergonomic workplace-based interventions aimed at preventing WMSD, (2) to explore factors related to the implementation process of these interventions (obstacles and facilitating factors) in order to identify whether economic results may be due to a successful or unsuccessful implementation...
December 8, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29213012/guidelines-for-personal-exposure-monitoring-of-chemicals-part-iii
#7
Haruo Hashimoto, Kenichi Yamada, Hajime Hori, Shinji Kumagai, Masaru Murata, Toshio Nagoya, Hirohiko Nakahara, Nobuyuki Mochida
This Document, "Guidelines for personal exposure monitoring of chemicals" ("this Guideline"), has been prepared by "The Committee for Personal Exposure Monitoring" ("the Committee") of the Expert Division of Occupational Hygiene & Ergonomics, Japan Society for Occupational Health. Considering the background of the growing importance of personal exposure monitoring in risk assessment and the need to prepare for the introduction of monitoring using personal samplers from an administrative perspective in recent years, the Committee was organized in November 2012...
December 6, 2017: Journal of Occupational Health
https://www.readbyqxmd.com/read/29205212/experimental-identification-of-a-mathematical-model-of-human-operator-working-under-mental-stress
#8
Antoni Kopyt, Krystyna Zużewicz, Paweł Bartuzi
In engineering the human is considered as one of the system elements. In most studies, his/her model remains unchanged due to the external factors. The present study shows that a relation between the mental stress and human dynamics cannot be neglected. The dynamic characteristics of the operator model change due to external stimuli, i.e., mental stress. The aim of this study was to present identification of a mathematical human model and measurement methodology of the mental stress level. To determine the level of human response to external stimuli, the electrocardiography (ECG) and electromyography (EMG) methods were applied...
2017: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29203993/minimally-invasive-surgery-for-rectal-cancer-current-status-and-future-perspectives
#9
REVIEW
Chinock Cheong, Nam Kyu Kim
Although laparoscopic resection for colon cancer has been proven safe and feasible when compared with open resection, currently no clear evidence is available regarding minimally invasive surgery for rectal cancer. This type of surgery may benefit patients by allowing fast recovery of normal dietary intake and bowel function, reduced postoperative pain, and shorter hospitalization. Therefore, minimally invasive surgeries such as laparoscopic or robot surgery have become the predominant treatment option for colon cancer...
December 2017: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29201511/robot-assisted-radical-perineal-prostatectomy-first-experience-of-15-cases
#10
Volkan Tuğcu, Oktay Akça, Abdulmuttalip Şimşek, İsmail Yiğitbaşı, Selçuk Şahin, Ali İhsan Taşçı
Objective: Minimally invasive techniques are increasingly evolving and preferred to reduce surgical induced morbidity and mortality and minimize the challenges of surgical techniques. Especially radical perineal prostatectomy (RPP) includes some challenges like working in a deep and narrow space and challenging ergonomics for the surgeons. Because of these issues open RPP is still performed in experienced centers. In order to reduce these difficulties, robot- assisted radical perineal prostatectomy (r-RPP) is developed...
December 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29200964/burden-of-musculoskeletal-disorders-among-registered-nurses-evidence-from-the-thai-nurse-cohort-study
#11
Wilaiphorn Thinkhamrop, Krisada Sawaengdee, Viroj Tangcharoensathien, Tuangtip Theerawit, Wongsa Laohasiriwong, Jiamjit Saengsuwan, Cameron Paul Hurst
Background: Musculoskeletal disorders (MSDs) are a major public health problem among registered nurses (RNs) in Thailand. Information on their burdens at a national level is limited. This study estimated the prevalence of MSDs among RNs using the 2009 Thai Nurse Cohort, a nationally representative sample of RNs in Thailand. Methods: This study is part of the first wave survey of the Thai Nurse Cohort Study (TNCS) conducted in 2009. Members of the cohort consisted of 18,756 RNs across Thailand...
2017: BMC Nursing
https://www.readbyqxmd.com/read/29199481/the-conversational-position-in-endoscopic-pituitary-surgery
#12
Jinendra Ekanayake, Irene Baudracco, Anjum Quereshi, Tom Vercauteren, Neil L Dorward
We describe a novel patient position for endoscopic transphenoidal surgery - the 'conversational position'. This position is a safe and effective alternative to the standard supine position, incorporating a semi-sitting position with the additional innovation of achieving a 'conversational position' by flexing the neck and turning the patient's head turned to face the surgeon. The 'conversational' position offers improvements in the surgical approach to sellar region, addressing specific intraoperative challenges such as maintaining a bloodless operative field, and enabling more intuitive and ergonomic surgical workflow...
December 4, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29198349/editorial-commentary-technical-skill-in-arthroscopic-simulation-training-are-wearable-motion-sensors-a-step-forward
#13
EDITORIAL
Robert A Pedowitz
Wearable inertial sensors can be used for assessment of surgeon body motion during arthroscopy, with demonstrated macroergonomic differences observed between novices and experts during diagnostic arthroscopy of a right cadaver knee. Before the adoption of arthroscopy training benchmarks based on inertial sensor technology, validation research should cross-correlate ergonomic variables with surgical quality.
December 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29194167/critical-care-nurses-pain-experiences-and-the-prognostic-factors
#14
Sevim Çelik, Nurten Taşdemir, Ayşe Öksüzoğlu, Elif Dirimeşe, Sema Koçaşli
OBJECTIVE: The objective of this study was to determine the emergence of pain in critical-care nurses and the prognostic risk factors. DESIGN: This study is a cross-sectional descriptive research. SETTING AND SUBJECTS: This study was conducted with the participation of 111 critical-care nurses in Zonguldak province, Turkey. INTERVENTIONS: The data were collected using a survey form and the Cornell Musculoskeletal Discomfort Questionnaire between August and November 2015...
January 2018: Dimensions of Critical Care Nursing: DCCN
https://www.readbyqxmd.com/read/29189471/a-novel-approach-to-reducing-workers-compensation-costs-in-a-multicenter-hospital-system
#15
Paul A Ullucci, Joseph Scott, Bradley Silverman
OBJECTIVE: To evaluate the efficacy of an injury prevention and monitoring program implemented by athletic trainers to reduce workers compensation costs in a hospital system with multiple centers and locations. METHODS: A retrospective analysis of workers compensation claims (ie, lost days, light days, and incurred costs) was performed to compare injury data from 2 years before to 2 years after the start of the program. RESULTS: The program significantly reduced the organization's incurred costs by 46...
September 20, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29186601/microsurgical-endoscope-assisted-gravity-aided-transfalcine-approach-for-contralateral-metastatic-deep-medial-cortical-tumors
#16
Garni Barkhoudarian, Daniel Farahmand, Robert G Louis, Erol Oksuz, Danjuma Sale, Pablo Villanueva, Daniel F Kelly
BACKGROUND: Traditional approaches to deep medial cortical tumors utilize transcortical or ipislateral interhemispheric approaches, which can result in cortical damage or retraction injury. To reduce these risks, the microscopic transfalcine approach has been previously described. OBJECTIVE: To describe this approach performed with endoscopic assistance for metastatic tumor resection, demonstrating appropriate and safe tumor resection without injury to the contralateral hemisphere...
December 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29181517/musculoskeletal-disorders-in-ophthalmologists-after-simulated-cataract-operation-a-pilot-study
#17
Zachary D Pearce, Mathew A Zatkin, Jon Bruner
Context: Musculoskeletal disorders are a common problem among ophthalmologists, likely due to ergonomic challenges. Most research on the topic has been survey-based studies, which carry inherent weaknesses. Objective: To examine the frequency and pattern of musculoskeletal dysfunction induced by performing a surgical procedure and to quantify the improvement after ergonomic interventions. Methods: Ophthalmology residents from a single academic institution were invited to participate in the study on a volunteer basis...
December 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/29181251/lower-extremity-kinematics-of-acl-repaired-and-non-injured-females-when-using-knee-savers%C3%A2
#18
Whitley J Stone, Scott W Arnett, Donald L Hoover
Background: Knee Savers® (KS) are an ergonomic aid purported to lessen the risk of injuries linked to deep squats. While widely used in sports such as baseball and softball, KS have not been tested to determine their effect upon lower extremity kinematics in any population. Purpose: The purpose of the study was to determine if KS influenced the lower extremity kinematics when females with previous anterior cruciate ligament (ACL)-reconstruction and healthy participants completed an end-range squat...
October 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29176385/positional-differences-in-running-and-non-running-activities-during-elite-american-football-training
#19
Patrick A Ward, Sam Ramsden, Aaron J Coutts, Andrew T Hulton, Barry Drust
The aim of this investigation was to describe differences in training loads between position groups within professional American football. Integrated micro technology data was collected on 63 NFL football players during an American football training camp. Five key metrics (total distance, high speed distance, Player Load, Player Load per Minute, and Total Inertial Movement Analysis (IMA)) served to quantify both running and non-running activities. Players were classified into position groups (DB, DL, LB, OL, QB, RB, TE, and WR)...
November 22, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29170856/robot-assisted-flexible-ureteroscopy-an-update
#20
REVIEW
Jens Rassweiler, Marcel Fiedler, Nikos Charalampogiannis, Ahmet Sinan Kabakci, Remzi Saglam, Jan-Thorsten Klein
The role of flexible ureteroscopy (FURS) in the management of nephrolithiasis has increased due to the improved armamentarium. However, FURS still represents a challenging technique limiting its diffusion. Similar to previous experiences in laparoscopy, recently developed robotic devices may significantly compensate for the ergonomic deficiencies of FURS. Based on a short description of the history of robotic devices for laparoscopy, this article summarizes all current developments of robotic FURS. In 2008, robotic FURS was first reported using the Sensei-Magellan system designed for interventional cardiology...
November 23, 2017: Urolithiasis
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