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https://www.readbyqxmd.com/read/27920726/hrvanalysis-a-free-software-for-analyzing-cardiac-autonomic-activity
#1
Vincent Pichot, Frédéric Roche, Sébastien Celle, Jean-Claude Barthélémy, Florian Chouchou
Since the pioneering studies of the 1960s, heart rate variability (HRV) has become an increasingly used non-invasive tool for examining cardiac autonomic functions and dysfunctions in various populations and conditions. Many calculation methods have been developed to address these issues, each with their strengths and weaknesses. Although, its interpretation may remain difficult, this technique provides, from a non-invasive approach, reliable physiological information that was previously inaccessible, in many fields including death and health prediction, training and overtraining, cardiac and respiratory rehabilitation, sleep-disordered breathing, large cohort follow-ups, children's autonomic status, anesthesia, or neurophysiological studies...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27920258/the-effects-of-three-different-exercise-modalities-on-markers-of-male-reproduction-in-healthy-subjects-a-randomized-controlled-trial
#2
Behzad Hajizadeh Maleki, Bakhtyar Tartibian, Mohammad Chehrazi
The aim of this study was to investigate the effects of moderate-intensity continuous training (MICT), high-intensity continuous training (HICT) and high-intensity interval training (HIIT) on markers of male reproduction including seminal markers of oxidative stress and inflammation as well as semen quality and sperm DNA integrity in healthy human subjects. A total of 397 healthy male volunteers were screened and 280 were randomly assigned to one of the MICT (n = 70), HICT (n = 70), HIIT (n = 70) and non-exercise (NON-EX, n = 70) groups...
February 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27919245/one-day-workshop-based-training-improves-physical-activity-prescription-knowledge-in-latin-american-physicians-a-pre-test-post-test-study
#3
Maria C Arciniegas Calle, Felipe Lobelo, Mario A Jiménez, Diana C Páez, Sebastian Cortés, Andrés de Lima, John Duperly
BACKGROUND: The physical inactivity pandemic and related non-communicable diseases have made it imperative for medical doctors (MDs) to effectively provide lifestyle counseling as part of prevention and treatment plans for patients. A one-day certification workshop was designed to improve MDs PA prescription knowledge, as part of the Exercise is Medicine® (EIM®) global health initiative. The objective was to determine knowledge gain of MDs participating in a standardized, one-day PA prescription workshop performed throughout Latin America (LA)...
December 5, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27918902/development-of-an-intensive-care-unit-resource-assessment-survey-for-the-care-of-critically-ill-patients-in-resource-limited-settings
#4
Aleksandra Leligdowicz, Satish Bhagwanjee, Janet V Diaz, Wei Xiong, John C Marshall, Robert A Fowler, Neill Kj Adhikari
PURPOSE: Capacity to provide critical care in resource-limited settings is poorly understood because of lack of data about resources available to manage critically ill patients. Our objective was to develop a survey to address this issue. METHODS: We developed and piloted a cross-sectional self-administered survey in 9 resource-limited countries. The survey consisted of 8 domains; specific items within domains were modified from previously developed survey tools...
November 5, 2016: Journal of Critical Care
https://www.readbyqxmd.com/read/27918705/whole-body-vibration-training-improves-heart-rate-variability-and-body-fat-percentage-in-obese-hispanic-postmenopausal-women
#5
Gregory Severino, Marcos Sanchez-Gonzalez, Michelle Walters-Edwards, Michael Nordvall, Oksana Chernykh, Jason Adames, Alexei Wong
The present study examined the effects of a 6-week whole body vibration training (WBVT) regimen on heart rate variability (HRV) and body composition in obese Hispanic postmenopausal women. Participants were randomly assigned to either WBVT (n=13) or non-exercising control group (n=14). HRV and body composition were measured before and after 6 weeks. There was a significant group x time interaction (P<0.05) for heart rate, sympathovagal balance and body fat percentage (BF%) such that all significantly decreased (P<0...
December 5, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27918678/gait-asymmetry-during-400-to-1000-m-high-intensity-track-running-in-relation-to-injury-history
#6
Rahel Ammann, Wolfgang Taube, Thomas Wyss
PURPOSE: The aim of the present study was to quantify gait asymmetry in well-trained runners, with and without previous injuries during interval training sessions incorporating different distances. METHODS: Twelve well-trained runners participated in eight high-intensity interval training sessions on a synthetic track over a 4-week period. The training consisted of 10 × 400 m, 8 × 600 m, 7 × 800 m, and 6 × 1000 m running. Using an inertial measurement unit, the ground contact time (GCT) of every step was recorded...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918660/vo2-at-maximal-and-supramaximal-intensities-lessons-to-high-interval-training-in-swimming
#7
Ana Sousa, João Paulo Vilas-Boas, Ricardo J Fernandes, Pedro Figueiredo
PURPOSE: To establish appropriate work intensity for interval training that would elicit maximal oxygen uptake (VO2max) for well-trained swimmers. METHODS: 12 male competitive swimmers completed an incremental protocol to determine the minimum velocity at VO2max (vVO2max) and, in randomized order, three square wave exercises from rest to 95, 100 and 105% of vVO2max. Temporal aspects of the VO2 response were examined in these latter. RESULTS: Swimming at 105% of vVO2max took less (p<0...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918270/interaction-of-inhibitory-and-facilitatory-effects-of-conditioning-trials-on-long-term-memory-formation
#8
Shouhei Hosono, Yukihisa Matsumoto, Makoto Mizunami
Animals learn through experience and consolidate the memories into long-time storage. Conditioning parameters to induce protein synthesis-dependent long-term memory (LTM) have been the subject of extensive studies in many animals. Here we found a case in which a conditioning trial inhibits or facilitates LTM formation depending on the intervals from preceding trials. We studied the effects of conditioning parameters on LTM formation in olfactory conditioning of maxillary-palpi extension response with sucrose reward in the cockroach Periplaneta americana We found, at first, that translation- and transcription-dependent LTM forms 1 h after training, the fastest so far reported in insects...
December 2016: Learning & Memory
https://www.readbyqxmd.com/read/27916960/detection-of-volatile-metabolites-derived-from-garlic-allium-sativum-in-human-urine
#9
Laura Scheffler, Yvonne Sauermann, Anja Heinlein, Constanze Sharapa, Andrea Buettner
The metabolism and excretion of flavor constituents of garlic, a common plant used in flavoring foods and attributed with several health benefits, in humans is not fully understood. Likewise, the physiologically active principles of garlic have not been fully clarified to date. It is possible that not only the parent compounds present in garlic but also its metabolites are responsible for the specific physiological properties of garlic, including its influence on the characteristic body odor signature of humans after garlic consumption...
December 1, 2016: Metabolites
https://www.readbyqxmd.com/read/27915207/fixed-distance-walk-tests-at-comfortable-and-fast-speed-potential-tools-for-the-functional-assessment-of-coronary-patients
#10
Marie-Doriane Morard, Delphine Besson, Davy Laroche, Alexandre Naaïm, Vincent Gremeaux, Jean-Marie Casillas
OBJECTIVES: There is ambiguity concerning the walk tests available for functional assessment of coronary patients, particularly for the walking speed. This study explores the psychometric properties of two walking tests, based on fixed-distance tests, at comfortable and fast velocity, in stabilized patients at the end of a cardiac rehabilitation program. METHODS: At a three-day interval 58 coronary patients (mean age of 64.85±6.03 years, 50 men) performed three walk tests, the first two at a comfortable speed in a random order (6-minute walk test - 6MWT - and 400-metre comfortable walk test - 400mCWT) and the third at a brisk speed (200-metre fast walk test - 200mFWT)...
November 30, 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27914178/longitudinal-assessment-of-examiner-experience-and-the-accuracy-of-sonographic-fetal-weight-estimation-at-term
#11
Florian Faschingbauer, Jutta Heimrich, Eva Raabe, Sven Kehl, Michael Schneider, Matthias Schmid, Matthias W Beckmann, Tobias Hepp, Anika Lübke, Andreas Mayr, Ralf L Schild
OBJECTIVES: To evaluate the influence of examiner experience on the accuracy of sonographic weight estimation and to further analyze examiners' individual learning curves. METHODS: In this multicenter study, 4613 sonographic weight estimations performed by 18 examiners at the beginning of their ultrasound training were included. To assess the effect of experience on the accuracy of weight estimation, a multivariable mixed regression model analysis was performed, with percentage error and absolute percentage error as outcome variables and the examiner, the examiner's experience (number of examinations), birth weight, gestational age, scan-to-delivery interval, and maternal body mass index as fixed effects and the perinatal center as random intercepts...
December 3, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27913408/neurophysiological-mechanisms-of-cortical-plasticity-impairments-in-schizophrenia-and-modulation-by-the-nmda-receptor-agonist-d-serine
#12
Joshua T Kantrowitz, Michael L Epstein, Odeta Beggel, Stephanie Rohrig, Jonathan M Lehrfeld, Nadine Revheim, Nayla P Lehrfeld, Jacob Reep, Emily Parker, Gail Silipo, Merav Ahissar, Daniel C Javitt
Schizophrenia is associated with deficits in cortical plasticity that affect sensory brain regions and lead to impaired cognitive performance. Here we examined underlying neural mechanisms of auditory plasticity deficits using combined behavioural and neurophysiological assessment, along with neuropharmacological manipulation targeted at the N-methyl-D-aspartate type glutamate receptor (NMDAR). Cortical plasticity was assessed in a cohort of 40 schizophrenia/schizoaffective patients relative to 42 healthy control subjects using a fixed reference tone auditory plasticity task...
December 2016: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27909789/factors-influencing-aversive-learning-in-the-oriental-fruit-fly-bactrocera-dorsalis
#13
J L Liu, H L Chen, X Y Chen, R K Cui, A Guerrero, X N Zeng
Parameters such as the intensity of conditioned and unconditioned stimuli, the inter-trial interval, and starvation time can influence learning. In this study, the parameters that govern aversive learning in the oriental fruit fly, Bactrocera dorsalis, a serious pest of fruits and vegetables, were examined. Male flies were trained to associate the attractive odorant methyl eugenol, a male lure, with a food punishment, sodium chloride solution, and the conditioned suppression of the proboscis-extension response was investigated...
December 1, 2016: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/27909542/which-factors-influence-resident-physicians-to-prescribe-noacs-to-patients-with-non-valvular-atrial-fibrillation
#14
Zardasht Oqab Md Frcpc, William F McIntyre Md Frcpc, Wilma M Hopman Ma, Adrian Baranchuk Md Facc Frcp
The Canadian Cardiovascular Society and the European Society of Cardiology recommend the use of non-vitamin K antagonists (NOAC) in preference to warfarin for stroke prevention in most patients with non-valvular atrial fibrillation (AF). The aim of this study was to identify factors that predict selection of a NOAC by resident physicians when faced with patients with non-valvular AF. A web-based survey was distributed to residents across Canada to learn the attitudes and behaviours regarding stroke, bleeding risk and choices of therapy in different clinical scenarios involving the same patient and one additional co-morbidity...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909414/personality-traits-and-training-initiation-process-intention-planning-and-action-initiation
#15
Mariola Laguna, Ewelina Purc
The article aims at investigating the role of personality traits in relation to training initiation. Training initiation is conceptualized as a goal realization process, and explained using goal theories. There are three stages of the process analyzed: intention to undertake training, plan formulation, and actual training undertaking. Two studies tested the relationships between five personality traits, defined according to the five factor model, and the stages of the goal realization process. In Study 1, which explains training intention and training plans' formulation, 155 employees participated...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27909237/the-impact-of-foster-parent-training-on-parenting-skills-and-child-disruptive-behavior-a-meta-analysis
#16
David T Solomon, Larissa N Niec, Ciera E Schoonover
Children in foster care are at risk for behavioral and emotional problems that require higher levels of care than other children. To meet these needs and reduce placement disruptions, foster parents require effective parenting skills. Although a number of training models have been evaluated, the findings on the efficacy of foster parent training (FPT) are mixed. We conducted a meta-analysis of the FPT outcome research from 1984 to 2014 to develop a clearer understanding of the impact of such trainings. Fifteen samples (16 studies) were identified that investigated the impact of FPT on self-reported parenting skills and knowledge and child problem behaviors...
November 30, 2016: Child Maltreatment
https://www.readbyqxmd.com/read/27909231/influence-of-dietary-nitrate-supplementation-on-physiological-and-muscle-metabolic-adaptations-to-sprint-interval-training
#17
Christopher Thompson, Lee J Wylie, Jamie R Blackwell, Jonathan Fulford, Matthew I Black, James Kelly, Sinead T J McDonagh, James Carter, Stephen J Bailey, Anni Vanhatalo, Andrew M Jones
We hypothesized that 4 weeks of dietary nitrate supplementation would enhance exercise performance and muscle metabolic adaptations to sprint interval training (SIT). Thirty six recreationally-active subjects, matched on key variables at baseline, completed a series of exercise tests before and following a 4 week period in which they were allocated to one of the following groups: 1) SIT and NO3(-)-depleted beetroot juice as a placebo (SIT+PL); 2) SIT and NO3(-)-rich beetroot juice (~13mmol NO3(-)/day; SIT+BR); or 3) no training and NO3(-)-rich beetroot juice (NT+BR)...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27909230/the-protective-role-of-sex-hormones-in-females-and-exercise-prehabilitation-in-males-on-sternotomy-induced-cranial-hypoperfusion-in-aortic-banded-mini-swine
#18
T Dylan Olver, Jessica A Hiemstra, Jenna C Edwards, Brian S Ferguson, Harold Laughlin, Craig A Emter
During cardiac surgery, specifically sternotomy, cranial hypoperfusion is linked to cerebral ischemia, increased risk of perioperative watershed stroke and other neurocognitive complications. The purpose of this study was to retrospectively examine the effect of sex hormones in females and exercise prehabilitation in males on median sternotomy-induced changes in cranial perfusion in a large animal model of heart failure. Cranial blood flow (CBF) before, 10- and 60 min post-sternotomy was analyzed in eight groups of Yucatan mini-swine: female-control, aortic-banded, ovariectomized, and ovariectomized+aortic-banded; male-control, aortic-banded, aortic-banded+continuous exercise trained, and aortic-banded+interval exercise trained...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27908868/benchmarking-lumbar-puncture-fluoroscopy-time-during-fellowship-training
#19
H Yang, K Schaffer, L Liu, M Mahesh, D M Yousem
We sought to establish a guide for identifying fellowship competency in performing fluoroscopically guided lumbar punctures. With a linear mixed-effects model, we compared the fluoroscopy time between the first and last 3 months of neuroradiology training. During 7 years, 55 fellows performed 1142 and 861 lumbar punctures in the first and last quarters of training. A target fluoroscopy time of 0.26 minutes, the upper 95% confidence interval, can serve as a fellowship benchmark for successfully achieving competence in fluoroscopically guided lumbar punctures...
December 1, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27908458/inter-rater-reliability-of-shoulder-measurements-in-middle-aged-women
#20
A De Groef, M Van Kampen, N Vervloesem, E Clabau, M-R Christiaens, P Neven, I Geraerts, F Struyf, N Devoogdt
OBJECTIVES: To investigate inter-rater reliability of a set of shoulder measurements including inclinometry [shoulder range of motion (ROM)], acromion-table distance and pectoralis minor muscle length (static scapular positioning), upward rotation with two inclinometers (scapular kinematics) and pain pressure thresholds (muscle tenderness) in middle-aged women. DESIGN: Observational study. PARTICIPANTS: Thirty symptom-free middle-aged women (first cohort) were measured by two raters...
July 20, 2016: Physiotherapy
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