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https://www.readbyqxmd.com/read/28350714/multiple-transportable-carbohydrate-impact-on-long-distance-triathlon-performance
#1
David S Rowlands, Stuart D Houltham
The ingestion of multiple (2:1 glucose:fructose) transportable carbohydrate in beverages at high rates (>78 g·h) during endurance exercise enhances exogenous carbohydrate oxidation, fluid absorption, gut comfort, and performance, relative to glucose alone. But during long-distance endurance competition, athletes prefer a solid-gel-drink format, and the effect size of multiple-transportable carbohydrate is unknown. PURPOSE: To determine the effect of multiple-transportable carbohydrate on triathlon competition performance when ingested within bars, gels, and drinks...
March 27, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28346585/improving-public-health-by-making-cities-friendly-to-walking-and-biking-safer-more-active-transportation-starts-with-the-street
#2
Janette Sadik-Khan, Seth Solomonow
No abstract text is available yet for this article.
March 27, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28345260/resistance-and-aerobic-training-improve-muscle-strength-and-aerobic-capacity-in-cidp
#3
Lars H Markvardsen, Kristian Overgaard, Karen Heje, Søren H Sindrup, Ingelise Christiansen, John Vissing, Henning Andersen
INTRODUCTION: We investigated the effect of aerobic and resistance exercise in patients with chronic inflammatory demyelinating polyneuropathy (CIDP). METHODS: Eighteen CIDP patients treated with subcutaneous immunoglobulin did 12 weeks of aerobic exercise and 12 weeks of resistance exercise after a run-in period of 12 weeks without exercise. Three times weekly the participants performed aerobic exercise on an ergometer bike or resistance exercise with unilateral training of knee and elbow flexion/extension...
March 27, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28344539/scaphocapitate-syndrome-with-associated-trans-scaphoid-trans-hamate-perilunate-dislocation-a-case-report-and-description-of-surgical-fixation
#4
Fiesky A Nunez, T David Luo, Jesse B Jupiter, Fiesky A Nunez
Background: Perilunate fracture dislocations are often associated with fractures of the distal pole of the scaphoid or the proximal pole of the capitate. However, the combination of perilunate dislocation with multiple carpal fractures and associated scaphocapitate syndrome is very rare. Methods: We report a unique case of scaphocapitate fracture syndrome with perilunate dislocation and fracture of the hamate resulting from a high-energy injury to the wrist during a dirt-bike competition. Results: Open reduction and internal fixation of the scaphoid fracture with a 3...
March 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28336419/scarf-related-injuries-at-a-major-trauma-center-in-northern-india
#5
Pritish Singh, Ashok Kumar, Vishal Shekhawat
PURPOSE: Scarf is a long loose piece of cloth worn around the neck and shoulder. Despite cultural association of this apparel, it is part of numerous injury episodes of varying enormity. Entanglement of loose scarf in spoke wheels of bike, tricycle, belt driven machines like sugarcane juice machine, thresher, grinding machines, etc is observed both in social and industrial milieu. This study aims to investigate the scarf-related injuries at a major trauma center in northern India. METHODS: From June 2013 to May 2015, a hospital-based prospective observational study was done in patients who presented to a level 1 trauma center in northern India with the mode of injury involving scarf around the neck...
March 9, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28326809/identifying-factors-affecting-the-safety-of-mid-block-bicycle-lanes-considering-mixed-two-wheeled-traffic-flow
#6
Lu Bai, Ching-Yao Chan, Pan Liu, Chengcheng Xu
OBJECTIVE: Electric bikes (e-bikes) were one of the fastest growing trip modes in Southeast Asia over the past two decades. The increasing popularity of e-bikes raised some safety concerns on urban transport system. The primary objective of this study was to identify whether and how the generalized linear regression model (GLM) could be used to relate the cyclists' safety with various contributing factors when they were riding in a mid-block bike lane. The types of two-wheeled vehicles in the study included bicycle style electric bicycles (BSEBs), scooter style electric bicycles (SSEBs) and regular bicycles (RBs)...
March 22, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28314078/high-physical-fitness-is-associated-with-reduction-in-basal-and-exercise-induced-inflammation
#7
Øyunn Kleiven, Magnus Bjørkavoll-Bergseth, Tor Melberg, Øyvind Skadberg, Rolf Bergseth, Jone Selvåg, Bjørn Auestad, Pål Aukrust, Torbjørn Aarsland, Stein Ørn
C-reactive protein (CRP) increases after strenuous exercise. It has been a concern that prolonged strenuous exercise may be harmful, and induce a deleterious inflammatory response. The purpose of this study was to 1) Assess and quantify the magnitude of CRP response following an endurance cycling competition in healthy middle-aged recreational cyclists. 2) Identify important determinants of this response. 3) Identify the relationship between CRP, myocardial damage (cardiac Troponin I (cTnI)) and myocardial strain (B-type natriuretic peptide (BNP))...
March 17, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28303616/bike-peptides-a-ride-through-the-membrane
#8
Júlia García-Pindado, Soledad Royo, Meritxell Teixidó, Ernest Giralt
Several natural peptides have a biaryl or biaryl ether motif in their biologically active structures. A model bicyclic pentapeptide containing a biaryl bridge has been synthesized by solid-phase peptide synthesis combining on-resin Suzuki and Miyaura cross-coupling reactions. Its biological properties in terms of permeability, stability and cytotoxicity have been studied, demonstrating the positive contribution of the biaryl bridge, excellent membrane penetration and serum stability Copyright © 2017 European Peptide Society and John Wiley & Sons, Ltd...
March 16, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28303338/blood-glucose-kinetics-and-physiological-changes-in-a-type-1-diabetic-finisher-of-the-ultraman-triathlon-a-case-study
#9
Christopher W Bach, Daniel A Baur, William S Hyder, Michael J Ormsbee
PURPOSE: To investigate the blood glucose kinetics and physiological effects experienced by a type 1 diabetic (T1D) finisher of a 3-day, multi-stage ultra endurance triathlon consisting of a 10 km swim and 144.8 km bike (stage 1), a 275.4 km bike (stage 2), and an 84.4 km run (stage 3). METHODS: The athlete self-monitored blood glucose (SMBG) levels via fingerstick blood draw and hand-held glucometer. Researchers evaluated blood glucose kinetics via a continuous glucose monitoring device...
March 16, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28282878/optimizing-scoring-and-sampling-methods-for-assessing-built-neighborhood-environment-quality-in-residential-areas
#10
Joel Adu-Brimpong, Nathan Coffey, Colby Ayers, David Berrigan, Leah R Yingling, Samantha Thomas, Valerie Mitchell, Chaarushi Ahuja, Joshua Rivers, Jacob Hartz, Tiffany M Powell-Wiley
Optimization of existing measurement tools is necessary to explore links between aspects of the neighborhood built environment and health behaviors or outcomes. We evaluate a scoring method for virtual neighborhood audits utilizing the Active Neighborhood Checklist (the Checklist), a neighborhood audit measure, and assess street segment representativeness in low-income neighborhoods. Eighty-two home neighborhoods of Washington, D.C. Cardiovascular Health/Needs Assessment (NCT01927783) participants were audited using Google Street View imagery and the Checklist (five sections with 89 total questions)...
March 8, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28282753/reliability-of-the-virtual-elevation-method-to-evaluate-rolling-resistance-of-different-mountain-bike-cross-country-tyres
#11
Thomas Maier, Beat Müller, Lucas Schmid, Thomas Steiner, Jon Peter Wehrlin
Although a low rolling resistance is advantageous in mountain bike cross-country racing, no studies have used the virtual elevation method to compare tyres from different manufacturers as used in international competitions so far. The aims of this study were to assess the reliability of this method, to compare the off-road rolling resistance between tyres and to calculate the influence on off-road speed. Nine 29-in. mountain bike cross-country tyres were tested on a course representing typical ground surface conditions 5 or 6 times...
February 9, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28274379/the-potential-of-bike-desks-to-reduce-sedentary-time-in-the-office-a-mixed-method-study
#12
T Torbeyns, B de Geus, S Bailey, L Decroix, R Meeusen
OBJECTIVES: To investigate the use of bike desks in an office setting and office workers' experiences of bike desks. STUDY DESIGN: Mixed-method study; quantitative data of cycling desk use in combination with qualitative data of users' experience were obtained via questionnaires. METHODS: Bike desks were provided in an office setting during a five-month period. The amount of cycled time, distance and the cycling intensity were registered. At the end of the intervention period, participants filled out a questionnaire about their experiences of cycling desks in the office...
March 2017: Public Health
https://www.readbyqxmd.com/read/28274377/corrigendum-to-the-potential-of-bike-desks-to-reduce-sedentary-time-in-the-office-a-mixed-method-study-public-health-144-2017-16-22
#13
T Torbeyns, B de Geus, S Bailey, L Decroix, R Meeusen
No abstract text is available yet for this article.
March 2017: Public Health
https://www.readbyqxmd.com/read/28271769/watch-out-for-the-impatient-patient
#14
Jane Bates
'How long will we be, nurse?' This is the question that sends my spirits downhill faster than a mountain bike on skis.
March 8, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28270500/exploring-the-linkage-between-activity-friendly-zoning-inactivity-and-cancer-incidence-in-the-united-states
#15
Lisa M Nicholson, Julien Leider, Jamie F Chriqui
Background: Physical activity (PA) protects against cancer and enhances cancer survivorship. Given high inactivity rates nationwide, population-level physical activity facilitators are needed. Several authoritative bodies have recognized that zoning and planning helps create activity-friendly environments. This study examined the association between activity-friendly zoning, inactivity, and cancer in 478 of the most populous U.S. counties.Methods: County geocodes linked county-level data: cancer incidence and smoking (State Cancer Profiles), inactivity (Behavioral Risk Factor Surveillance System), 11 zoning measures (compiled by the study team), and covariates (from the American Community Survey and NAVTEQ)...
March 7, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28268977/estimation-of-heart-rate-from-foot-worn-photoplethysmography-sensors-during-fast-bike-exercise
#16
Delaram Jarchi, Alexander J Casson
This paper presents a new method for estimating the average heart rate from a foot/ankle worn photoplethysmography (PPG) sensor during fast bike activity. Placing the PPG sensor on the lower half of the body allows more energy to be collected from energy harvesting in order to give a power autonomous sensor node, but comes at the cost of introducing significant motion interference into the PPG trace. We present a normalised least mean square adaptive filter and short-time Fourier transform based algorithm for estimating heart rate in the presence of this motion contamination...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268718/a-new-crank-arm-based-load-cell-with-built-in-conditioning-circuit-and-strain-gages-to-measure-the-components-of-the-force-applied-by-a-cyclist
#17
Andre V Pigatto, Karina O A Moura, Gabriela W Favieiro, Alexandre Balbinot
This report describes the development of a force platform based on instrumented load cells with built-in conditioning circuit and strain gages to measure and acquire the components of the force that is applied to the bike crank arm during pedaling in real conditions, and save them on a SD Card. To accomplish that, a complete new crank arm 3D solid model was developed in the SolidWorks, with dimensions equivalent to a commercial crank set and compatible with a conventional road bike, but with a compartment to support all the electronics necessary to measure 3 components of the force applied to the pedal during pedaling...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28247405/your-brain-on-bikes-p3-mmn-n2b-and-baseline-noise-while-pedaling-a-stationary-bike
#18
Joanna E M Scanlon, Alex J Sieben, Kevin R Holyk, Kyle E Mathewson
Increasingly, there is a trend to measure brain activity in more ecologically realistic scenarios. Normally, the confines of the laboratory and sedentary tasks mitigate sources of electrical noise on EEG measurement. Moving EEG outside of the lab requires understanding of the impact of complex movements and activities on traditional EEG and ERP measures. Here, we recorded EEG with active electrodes while participants were either riding or sitting on a stationary bike in an electrical and sound-attenuated chamber in the lab...
March 1, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28231426/engineering-of-anti-cd133-tri-specific-molecule-capable-of-inducing-nk-expansion-and-driving-antibody-dependent-cell-mediated-cytotoxicity-adcc
#19
Jörg U Schmohl, Martin Felices, Felix Oh, Alexander J Lenvik, Aaron M Lebeau, Jayanth Panyam, Jeffrey S Miller, Daniel A Vallera
Purpose: The selective elimination of cancer stem cells (CSCs) in tumor patients is a crucial goal because CSCs cause drug refractory relapse. To improve the current conventional bispecific immune-engager platform, a 16133 BiKE, consisting of scFvs binding FcγRIII (CD16) on NK cells and CD133 on carcinoma cells, was first synthesized and a modified IL-15 crosslinker capable of stimulating NK effector cells was introduced. Materials and Methods: DNA shuffling and ligation techniques were used to assemble and synthesize the 1615133 trispecific NK cell engager (TriKE)...
February 20, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28227187/estimation-of-heart-rate-from-foot-worn-photoplethysmography-sensors-during-fast-bike-exercise
#20
Delaram Jarchi, Alexander J Casson, Delaram Jarchi, Alexander J Casson, Alexander J Casson, Delaram Jarchi
This paper presents a new method for estimating the average heart rate from a foot/ankle worn photoplethysmography (PPG) sensor during fast bike activity. Placing the PPG sensor on the lower half of the body allows more energy to be collected from energy harvesting in order to give a power autonomous sensor node, but comes at the cost of introducing significant motion interference into the PPG trace. We present a normalised least mean square adaptive filter and short-time Fourier transform based algorithm for estimating heart rate in the presence of this motion contamination...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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