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https://www.readbyqxmd.com/read/27918686/utility-of-surveillance-research-to-inform-physical-activity-policy-an-exemplar-from-canada
#1
Cora L Craig, Christine A Cameron, Adrian Bauman
BACKGROUND: There are several well-known risk factor monitoring systems, but few examples of comprehensive surveillance systems designed specifically to inform physical activity (PA) policy. This paper examines the utility of Canada`s Physical Activity and Sport Monitoring System in guiding policy and practice. METHODS: Indicators were determined in conjunction with government, non-governmental associations and academics. Serial measures were collected from representative population (telephone interviews, n=4,000-11,000) and setting-based (postal surveys, n=1,425-4,304) surveys...
December 5, 2016: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/27918666/quantification-of-training-and-competition-loads-in-endurance-sports-methods-and-applications
#2
Iñigo Mujika
Training quantification is basic to evaluate an endurance athlete's responses to the training loads, ensure adequate stress/recovery balance and determine the relationship between training and performance. Quantifying both external and internal workload is important, because the external workload does not measure the biological stress imposed by the exercise sessions. Generally used quantification methods include retrospective questionnaires, diaries, direct observation and physiological monitoring, often based on the measurement of oxygen uptake, heart rate and blood lactate concentration...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27900147/complex-shoulder-girdle-injuries-following-mountain-bike-accidents-and-a-review-of-the-literature
#3
Matthew Alexander Lea, Navnit Makaram, Makaram S Srinivasan
BACKGROUND: Mountain and road bike accidents are particularly common with the increased popularity of the sport. We reviewed the attendances in our emergency department over a 4-year period looking at cycling injuries to detect the level and grade of these injuries and their outcomes. METHOD: Royal Blackburn Hospital caters for a population of 550 000. A search through the Hospital information system revealed 104 patients with fractures following mountain bike injuries...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27896682/methods-of-power-force-velocity-profiling-during-sprint-running-a-narrative-review
#4
REVIEW
Matt R Cross, Matt Brughelli, Pierre Samozino, Jean-Benoit Morin
The ability of the human body to generate maximal power is linked to a host of performance outcomes and sporting success. Power-force-velocity relationships characterize limits of the neuromuscular system to produce power, and their measurement has been a common topic in research for the past century. Unfortunately, the narrative of the available literature is complex, with development occurring across a variety of methods and technology. This review focuses on the different equipment and methods used to determine mechanical characteristics of maximal exertion human sprinting...
November 28, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27895075/associations-of-specific-types-of-sports-and-exercise-with-all-cause-and-cardiovascular-disease-mortality-a-cohort-study-of-80%C3%A2-306-british-adults
#5
Pekka Oja, Paul Kelly, Zeljko Pedisic, Sylvia Titze, Adrian Bauman, Charlie Foster, Mark Hamer, Melvyn Hillsdon, Emmanuel Stamatakis
BACKGROUND/AIM: Evidence for the long-term health effects of specific sport disciplines is scarce. Therefore, we examined the associations of six different types of sport/exercise with all-cause and cardiovascular disease (CVD) mortality risk in a large pooled Scottish and English population-based cohort. METHODS: Cox proportional hazards regression was used to investigate the associations between each exposure and all-cause and CVD mortality with adjustment for potential confounders in 80 306 individuals (54% women; mean±SD age: 52±14 years)...
November 28, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27882605/placebo-in-sports-nutrition-a-proof-of-principle-study-involving-caffeine-supplementation
#6
B Saunders, L F de Oliveira, R P da Silva, V de Salles Painelli, L S Gonçalves, G Yamaguchi, T Mutti, E Maciel, H Roschel, G G Artioli, B Gualano
We investigated the effects of supplement identification on exercise performance with caffeine supplementation. Forty-two trained cyclists (age 37 ± 8 years, body mass [BM] 74.3 ± 8.4 kg, height 1.76 ± 0.06 m, maximum oxygen uptake 50.0 ± 6.8 mL/kg/min) performed a ~30 min cycling time-trial 1 h following either 6 mg/kgBM caffeine (CAF) or placebo (PLA) supplementation and one control (CON) session without supplementation. Participants identified which supplement they believed they had ingested ("caffeine", "placebo", "don't know") pre- and post-exercise...
November 23, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27872151/non-occupational-physical-activity-levels-of-shift-workers-compared-with-non-shift-workers
#7
Bette Loef, Gerben Hulsegge, G C Wanda Wendel-Vos, W M Monique Verschuren, Roel C H Vermeulen, Marije F Bakker, Allard J van der Beek, Karin I Proper
OBJECTIVES: Lack of physical activity (PA) has been hypothesised as an underlying mechanism in the adverse health effects of shift work. Therefore, our aim was to compare non-occupational PA levels between shift workers and non-shift workers. Furthermore, exposure-response relationships for frequency of night shifts and years of shift work regarding non-occupational PA levels were studied. METHODS: Data of 5980 non-shift workers and 532 shift workers from the European Prospective Investigation into Cancer and Nutrition-Netherlands (EPIC-NL) were used in these cross-sectional analyses...
November 21, 2016: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/27848743/is-our-youth-cycling-to-health-results-from-the-netherlands-2016-report-card-on-physical-activity-for-children-and-youth
#8
Marcella Burghard, Karlijn Knitel, Iris van Oost, Mark S Tremblay, Tim Takken
BACKGROUND: The Active Healthy Kids the Netherlands (AHKN) Report Card consolidates and translates research and assesses how the Netherlands is being responsible in providing physical activity (PA) opportunities for children and youth (<18 years). The primary aim of this article is to summarize the results of the 2016 AHKN Report Card. METHODS: Nine indicators were graded using the Active Healthy Kids Global Alliance report card development process, which includes a synthesis of the best available research, surveillance, policy and practice findings, and expert consensus...
November 2016: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/27847745/carbohydrate-electrolyte-drinks-exhibit-risks-for-human-enamel-surface-loss
#9
Mary Anne Sampaio de Melo, Vanara Florêncio Passos, Juliana Paiva Marques Lima, Sérgio Lima Santiago, Lidiany Karla Azevedo Rodrigues
OBJECTIVES: The aim of this investigation was to give insights into the impact of carbohydrate-electrolyte drinks on the likely capacity of enamel surface dissolution and the influence of human saliva exposure as a biological protective factor. MATERIALS AND METHODS: The pH, titratable acidity (TA) to pH 7.0, and buffer capacity (β) of common beverages ingested by patients under physical activity were analyzed. Then, we randomly distributed 50 specimens of human enamel into 5 groups...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847560/left-ventricular-false-tendons-and-electrocardiogram-repolarization-abnormalities-in-healthy-young-subjects
#10
Zlatan Lazarevic, Emanuela Ciminelli, Federico Quaranta, Fabio Sperandii, Emanuele Guerra, Fabio Pigozzi, Paolo Borrione
AIM: To describe echocardiographically left ventricular false tendon characteristics and the correlation with ventricular repolarization abnormalities in young athletes. METHODS: Three hundred and sixteen healthy young athletes from different sport disciplines were evaluated from 2009 to 2011 during routine screening for agonistic sports eligibility. All subjects, as part of standard pre-participation screening medical evaluation, underwent a basal and post step test 12-lead electrocardiogram (ECG)...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27845472/measuring-the-expected-increase-in-cycling-in-the-city-of-milan-and-evaluating-the-positive-effects-on-the-population-s-health-status-a-community-based-urban-planning-experience
#11
A Rebecchi, L Boati, A Oppio, M Buffoli, S Capolongo
BACKGROUND: It's scientifically known that inactivity is one of the major risk factors for Non-Communicable Diseases. One of the elements affecting the choice of transport mode, regarding circulation in the city, is the cities' urban morphology, i.e. the infrastructural facilities for the slow mobility service. Cyclability, in fact, can help to increase daily physical activity level, therefore becoming a protective factor for individual health. METHODS: After a literature review about the state of the art regarding the correlation between built environment, active transport and quantification of the physical activity level, we have developed a specific questionnaire to collect information about current and forecast use of bicycle, in case of improvement and implementation of the cycling network...
November 2016: Annali di Igiene: Medicina Preventiva e di Comunità
https://www.readbyqxmd.com/read/27832925/ecological-validity-of-the-german-bruininks-oseretsky-test-of-motor-proficiency-2nd-edition
#12
Sabine Vinçon, Dido Green, Rainer Blank, Ekkehart Jenetzky
The diagnosis of Developmental Coordination Disorder (DCD) is based on poor motor coordination in the absence of other neurological disorders. In order to identify the presence of movement difficulties, a standardised motor assessment is recommended to determine the extent of movement problems which may contribute to deficits in daily task performance. A German version of the Bruininks-Oseretsky Test of Motor Proficiency, Second Edition (German BOT-2) was recently published. This study aimed to determine the ecological validity of the German BOT-2 by considering the relationship between assessment of fundamental motor skills with the BOT-2 and performance of everyday motor activities as evaluated by parents...
November 7, 2016: Human Movement Science
https://www.readbyqxmd.com/read/27817301/neuroplasticity-associated-with-anterior-cruciate-ligament-reconstruction
#13
Dustin R Grooms, Stephen J Page, Deborah S Nichols-Larsen, Ajit M W Chaudhari, Susan E White, James A Onate
Study Design Controlled laboratory study. Background Anterior cruciate ligament (ACL) injury may result in neuroplastic changes due to lost mechanoreceptors of the ACL and compensations in neuromuscular control. These alterations are not completely understood. Assessing brain function after ACL injury and reconstruction with functional magnetic resonance imaging (fMRI), provides a means to address this gap in knowledge. Objective To investigate brain activation differences during knee flexion/extension in persons who have undergone ACL reconstruction (ACLR) and matched controls...
November 5, 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27800480/post-exercise-rehydration-effect-of-consumption-of-beer-with-varying-alcohol-content-on-fluid-balance-after-mild-dehydration
#14
Annemarthe H C Wijnen, Jora Steennis, Milène Catoire, Floris C Wardenaar, Marco Mensink
PURPOSE: The effects of moderate beer consumption after physical activity on rehydration and fluid balance are not completely clear. Therefore, in this study, we investigated the effect of beer consumption, with varying alcohol content, on fluid balance after exercise-induced dehydration. METHODS: Eleven healthy males were included in this cross over study (age 24.5 ± 4.7 years, body weight 75.4 ± 3.3 kg, VO2max 58.3 ± 6.4 mL kg min(-1)). Subjects exercised on a cycle ergometer for 45 min at 60% of their maximal power output (Wmax) until mild dehydration (1% body mass loss)...
2016: Frontiers in Nutrition
https://www.readbyqxmd.com/read/27797729/hamstring-injuries-in-elite-gaelic-football-an-8-year-investigation-to-identify-injury-rates-time-loss-patterns-and-players-at-increased-risk
#15
Mark Roe, John C Murphy, Conor Gissane, Catherine Blake
BACKGROUND: Hamstring injuries occur frequently in field sports, yet longitudinal information to guide prevention programmes is missing. AIM: Investigate longitudinal hamstring injury rates and associated time loss in elite Gaelic football, while identifying subgroups of players at increased risk. METHODS: 38 data sets from 15 elite male Gaelic football teams were received by the National Gaelic Athletic Association (GAA) Injury Surveillance Database between 2008 and 2015...
October 20, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27786541/postexercise-cold-water-immersion-improves-intermittent-high-intensity-exercise-performance-in-normothermia
#16
Avina McCarthy, James Mulligan, Mikel Egaña
A brief cold water immersion between 2 continuous high-intensity exercise bouts improves the performance of the latter compared with passive recovery in the heat. We investigated if this effect is apparent in normothermic conditions (∼19 °C), employing an intermittent high-intensity exercise designed to reflect the work performed at the high-intensity domain in team sports. Fifteen young active men completed 2 exhaustive cycling protocols (Ex1 and Ex2: 12 min at 85% ventilatory threshold (VT) and then an intermittent exercise alternating 30-s at 40% peak power (Ppeak) and 30 s at 90% Ppeak to exhaustion) separated by 15 min of (i) passive rest, (ii) 5-min cold-water immersion at 8 °C, and (iii) 10-min cold-water immersion at 8 °C...
July 25, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/27771799/salbutamol-effects-on-systemic-potassium-dynamics-during-and-following-intense-continuous-and-intermittent-exercise
#17
Muath M Altarawneh, Aaron Petersen, Robert Smith, David M Rouffet, Francois Billaut, Ben D Perry, Victoria L Wyckelsma, Antony Tobin, Michael J McKenna
PURPOSE: Salbutamol inhalation is permissible by WADA in athletic competition for asthma management and affects potassium regulation, which is vital for muscle function. Salbutamol effects on arterial potassium concentration ([K(+)]a) during and after high-intensity continuous exercise (HIcont) and intermittent exercise comprising repeated, brief sprints (HIint), and on performance during HIint are unknown and were investigated. METHODS: Seven recreationally active men participated in a double-blind, randomised, cross-over design, inhaling 1000 µg salbutamol or placebo...
October 22, 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27744346/the-influence-of-parental-modelling-on-children-s-physical-activity-and-screen-time-does-it-differ-by-gender
#18
Stephanie Schoeppe, Corneel Vandelanotte, Elling Bere, Nanna Lien, Maïté Verloigne, Éva Kovács, Yannis Manios, Mona Bjelland, Frøydis Nordgård Vik, Wendy Van Lippevelde
BACKGROUND: Parents play an important role in modelling healthy behaviours to their children. This study investigated associations between parent and child physical activity and screen time behaviours across specific domains, including moderating effects by parent and child gender. METHOD: The sample comprised 3300 school children and 2933 parents participating in the UP4FUN project (mean ages: child 11.2 ± 0.8 years, mother 40.0 ± 4.9 years, father 43.4 ± 5...
October 15, 2016: European Journal of Public Health
https://www.readbyqxmd.com/read/27743863/a-wearable-multisensing-patch-for-continuous-sweat-monitoring
#19
Salzitsa Anastasova, Blair Crewther, Pawel Bembnowicz, Vincenzo Curto, Henry Md Ip, Bruno Rosa, Guang-Zhong Yang
In sport, exercise and healthcare settings, there is a need for continuous, non-invasive monitoring of biomarkers to assess human performance, health and wellbeing. Here we report the development of a flexible microfluidic platform with fully integrated sensing for on-body testing of human sweat. The system can simultaneously and selectively measure metabolite (e.g. lactate) and electrolytes (e.g. pH, sodium) together with temperature sensing for internal calibration. The construction of the platform is designed such that continuous flow of sweat can pass through an array of flexible microneedle type of sensors (50µm diameter) incorporated in a microfluidic channel...
September 21, 2016: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27738126/physical-activity-types-and-life-expectancy-with-and-without-cardiovascular-disease-the-rotterdam-study
#20
Klodian Dhana, Chantal M Koolhaas, Mathilde A Berghout, Anna Peeters, M Arfan Ikram, Henning Tiemeier, Albert Hofman, Wilma Nusselder, Oscar H Franco
BACKGROUND: We aimed to determine the contribution of specific physical activity (PA) types (i.e. walking, cycling, domestic work, sports and gardening) on total life expectancy (LE) and LE with and without cardiovascular disease (CVD). METHODS: We constructed multistate life tables to calculate the effects of total PA and PA types on LE, among individuals older than 55 years from the Rotterdam Study. For the life table calculations, we used sex-specific prevalences, incident rates and hazard ratios for three transitions (healthy-to-CVD, healthy-to-death and CVD-to-death) by levels of PA and adjusted for confounders...
October 13, 2016: Journal of Public Health
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