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https://www.readbyqxmd.com/read/27919454/the-longitudinal-impact-of-nfl-play-60-programming-on-youth-aerobic-capacity-and-bmi
#1
Yang Bai, Pedro F Saint-Maurice, Gregory J Welk, Daniel W Russell, Kelly Allums-Featherston, Norma Candelaria
INTRODUCTION: The NFL PLAY 60 campaign has actively promoted physical activity and healthy eating in youth through programs such as the PLAY 60 Challenge and Fuel Up to PLAY 60. The purpose of the study was to evaluate the impact of NFL PLAY 60 programming on longitudinal trajectories of youth aerobic capacity and BMI. STUDY DESIGN: Data were from the NFL PLAY 60 FitnessGram Partnership Project, a large participatory research project designed to promote physical activity and healthy eating among Kindergarten through 12th grade children and adolescents...
December 2, 2016: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/27918656/aerobic-evaluation-in-elite-slalom-kayakers-using-tethered-canoe-system-a-new-proposal
#2
Homero Gustavo Ferrari, Leonardo H D Messias, Ivan G M Reis, Claudio A Gobatto, Filipe A B Sousa, Camila C S Serra, Fúlvia B Manchado-Gobatto
BACKGROUND: Among other aspects, aerobic fitness is indispensable for performance in slalom canoe. PURPOSE: The aims of the study were to propose the maximal lactate steady state (MLSS) and critical force (CF) tests using a tethered canoe system as new strategies for aerobic evaluation in elite slalom kayakers. Also, we studied the relationship between the aerobic parameters from these tests and the kayakers' performances. METHODS: Twelve male elite slalom kayakers from the Brazilian National Team participated in this study...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27912941/effects-of-dance-interventions-on-cardiovascular-risk-with-ageing-systematic-review-and-meta-analysis
#3
REVIEW
Josianne Rodrigues-Krause, Juliano Boufleur Farinha, Mauricio Krause, Álvaro Reischak-Oliveira
BACKGROUND: Exercising, including dancing, has been recommended to improve cardiovascular health of older people. Herein, we conducted a systematic review and meta-analysis verifying the effects of dance interventions on cardiovascular risk (CVR) in the elderly, comparing dancers to non-exercise controls and other types of exercise, in randomised (RCTs) and non-randomised control trials (nRCTs). Primary/Secondary outcomes: peak oxygen consumption (VO2peak)/anthropometric measurements (body weight, BMI), and lipid profile...
December 2016: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/27912156/health-benefits-of-aerobic-training-programs-in-adults-aged-70-and-over-a-systematic-review
#4
REVIEW
Walid Bouaziz, Thomas Vogel, Elise Schmitt, Georges Kaltenbach, Bernard Geny, Pierre Olivier Lang
Aging is intrinsically associated with a progressive decline in muscle strength and mass, and aerobic capacity. This contributes to reduced mobility and impaired quality of life (QoL) among seniors. Regular physical activity, and more particularly aerobic training (AT), has demonstrated benefits on adults' health. The aim of this review was to assess the current level of evidence regarding the health benefits of AT in the population aged 70 years and over. A comprehensive, systematic database search for manuscripts was performed...
October 31, 2016: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27909408/reliability-validity-and-usefulness-of-30-15-intermittent-fitness-test-in-female-soccer-players
#5
Nedim Čović, Eldin Jelešković, Haris Alić, Izet Rađo, Erduan Kafedžić, Goran Sporiš, Daniel T McMaster, Zoran Milanović
PURPOSE: The aim of this study was to examine the reliability, validity and usefulness of the 30-15IFT in competitive female soccer players. METHODS: Seventeen elite female soccer players participated in the study. A within subject test-retest study design was utilized to assess the reliability of the 30-15 intermittent fitness test (IFT). Seven days prior to 30-15IFT, subjects performed a continuous aerobic running test (CT) under laboratory conditions to assess the criterion validity of the 30-15IFT. End running velocity (VCT and VIFT), peak heart rate (HRpeak) and maximal oxygen consumption (VO2max) were collected and/or estimated for both tests...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27902754/how-do-growth-and-sibling-competition-affect-telomere-dynamics-in-the-first-month-of-life-of-long-lived-seabird
#6
Yuichi Mizutani, Yasuaki Niizuma, Ken Yoda
Telomeres are nucleotide sequences located at the ends of chromosomes that promote genome stability. Changes in telomere length (dynamics) are related to fitness or life expectancy, and telomere dynamics during the development phase are likely to be affected by growth and stress factors. Here, we examined telomere dynamics of black-tailed gull chicks (Larus crassirostris) in nests with and without siblings. We found that the initial telomere lengths of singletons at hatching were longer than those of siblings, indicating that singletons are higher-quality chicks than siblings in terms of telomere length...
2016: PloS One
https://www.readbyqxmd.com/read/27901338/determinant-factors-of-peak-treadmill-speed-in-physically-active-men
#7
Leonardo Alves Pasqua, Mayara V Damasceno, Salomão Bueno, Alessandro M Zagatto, Gustavo G DE Araújo, Adriano E Lima-Silva, Rômulo Bertuzzi
BACKGROUND: The aim of the present study was to determine whether physiological factors and maximal dynamic strength are able to determine the peak treadmill speed (PTS) in physically active individuals. METHODS: One hundred and fifty physically active healthy males voluntarily visit the laboratory on three separate occasions and underwent the following activities: first visit: IPAQ (short version), anthropometric measurements, and a maximal incremental test performed for physiological variables (maximal oxygen uptake ( ) and respiratory compensation point (RCP); second visit: constant speed test for running economy (RE) measurement, and familiarization with the maximum dynamic strength (1RM) test in the leg press exercise; third visit: 1RM test...
November 30, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27901337/the-effect-of-exercise-induced-weight-loss-on-myokines-and-adipokines-in-overweight-sedentary-females-steps-aerobics-vs-jogging-walking-exercises
#8
Halil Duzova, Esin Gullu, Guner Cicek, Burcu K Koksal, Basak Kayhan, Abdullah Gullu, Ibrahim Sahin
BACKGROUND: The objectives of this study were to verify effects of step-aerobic exercise (SAE) and jogging-walking exercise (JWE) program on myokines and adipokines levels in overweight sedentary females. METHODS: Volunteer subjects (n=25) were assigned to two exercise groups: steps aerobics and jogging-walking. The exercise program given to them was for five days a week and for twelve weeks period. Serum samples were collected from venous blood before and immediately after cardio-respiratory fitness test (CRF) by Bruce protocol and stored at -80 C until they were assayed before 12 weeks exercise program...
November 30, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27900177/high-intensity-interval-training-to-improve-fitness-in-children-with-cerebral-palsy
#9
Reidun Lauglo, Torstein Vik, Torarin Lamvik, Dorthe Stensvold, Ane-Kristine Finbråten, Trine Moholdt
AIM: To evaluate effects of high-intensity interval training (HIT) on aerobic exercise capacity, quality of life, and body composition in children with cerebral palsy (CP). METHODS: This was a baseline control trial. Children with CP, Gross Motor Function Classification System (GMFCS) levels I-IV, and age 10-17 years were included. The primary outcome, peak, and submaximum oxygen uptake (VO2peak, VO2submax) were measured at enrolment to the study (T0), after a pretraining period (T1), and after HIT (T2)...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27900172/comparative-effects-of-three-48-week-community-based-physical-activity-and-exercise-interventions-on-aerobic-capacity-total-cholesterol-and-mean-arterial-blood-pressure
#10
Steven Mann, Alfonso Jimenez, Sarah Domone, Chris Beedie
AIM: Insufficient research examines the treatment effectiveness of real-world physical activity (PA) interventions. PURPOSE: We investigated the effects of 3 interventions on directly measured cardiovascular variables. All treatments and measures were administered in community settings by fitness centre staff. METHODS: Participants were sedentary individuals receiving no medication to reduce cardiovascular disease (CVD) risk (n=369, age 43 ±5 years)...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27897440/association-between-aerobic-exercise-training-effects-of-serum-adropin-level-arterial-stiffness-and-adiposity-in-obese-elderly-adults
#11
Shumpei Fujie, Natsuki Hasegawa, Toshiyuki Kurihara, Kiyoshi Sanada, Takafumi Hamaoka, Motoyuki Iemitsu
Serum levels of adropin, which enhances endothelial cell release of nitric oxide (NO), are lower in obese patients. Although habitual aerobic exercise reduces arterial stiffness and adiposity, the relationship between these effects and circulating levels of adropin remains unclear. The purpose of this study was to determine if serum adropin level is associated with the effects of aerobic exercise training on arterial stiffness and adiposity in obese adults. In Experiment 1, we examined whether serum adropin levels are associated with cardiorespiratory fitness, carotid β-stiffness, plasma nitrite/nitrate (NOx) level, and abdominal visceral fat in 27 normal, 20 overweight, and 25 obese adults (age, 41-79 years)...
September 13, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/27896045/barriers-to-physical-activity-as-moderators-of-intervention-effects
#12
Michael E Schoeny, Louis Fogg, Susan W Buchholz, Arlene Miller, JoEllen Wilbur
The impact of interventions to increase physical activity (PA) may vary as a function of participants' barriers to PA. The aim of this paper is to determine whether individual barriers (demographic, physical health, psychological health, neighborhood factors, perceived barriers to PA, social support for PA) moderate treatment effects on increases in PA. Three treatment conditions tested the relative efficacy of a group-based PA intervention alone or supplemented by either personal or automated phone calls made between group meetings...
March 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/27895662/muscle-enriched-micrornas-isolated-from-whole-blood-are-regulated-by-exercise-and-are-potential-biomarkers-of-cardiorespiratory-fitness
#13
Joshua Denham, Priscilla R Prestes
MicroRNAs (miRNAs) are small non-coding RNA molecules that regulate gene expression post-transcriptionally. Evidence indicating miRNAs influence exercise-induced health and performance adaptations is mounting. Circulating miRNAs are responsible for intercellular communication and could serve as biomarkers for disease and exercise-related traits. Such biomarkers would contribute to exercise screening, monitoring, and the development of personalized exercise prescription. Accordingly, we investigated the impact of long-term strenuous aerobic exercise training and a single bout of maximal aerobic exercise on five muscle-enriched miRNAs implicated in exercise adaptations (miR-1, miR-133a, miR-181a, miR-486, and miR-494)...
2016: Frontiers in Genetics
https://www.readbyqxmd.com/read/27892704/the-effects-of-a-16-week-aerobic-exercise-programme-on-cognitive-function-in-people-living-with-hiv
#14
Adam McDermott, Lilia Zaporojan, Patricia McNamara, Colin P Doherty, Janice Redmond, Cuisle Forde, John Gormley, Mikel Egaña, Colm Bergin
High levels of cardiovascular fitness and physical activity are associated with higher levels of cognitive function in people with HIV, thus, they may reduce the risk of developing HIV-associated neurocognitive disorder (HAND). This study aimed to investigate the effects of a 16-week aerobic exercise intervention on cognitive function in people with HIV. Eleven participants living with HIV were recruited into the study. Participants were randomised into either an exercise group (n = 5), that completed a 16-week aerobic exercise programme training, 3 times per week (2 supervised sessions and one unsupervised session) or a control group (n = 6) that received no intervention...
November 28, 2016: AIDS Care
https://www.readbyqxmd.com/read/27889332/effect-of-an-aerobic-exercise-intervention-on-cardiac-autonomic-regulation-a-worksite-rct-among-cleaners
#15
David M Hallman, Andreas Holtermann, Karen Søgaard, Peter Krustrup, Jesper Kristiansen, Mette Korshøj
OBJECTIVE: The aim of this randomized controlled trial (RCT) was to determine whether aerobic exercise during work hours affects cardiac autonomic regulation in cleaners characterized by high levels of occupational physical activity and poor cardiorespiratory fitness. METHOD: Eligible cleaners (n=116) were randomized to an aerobic exercise group (n=59) or a reference group (n=57) with lectures. The intervention group received two 30-min sessions per week of supervised aerobic exercise over 4months...
November 24, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27888113/circadian-urinary-citrate-excretion-in-a-rat-model-of-exercise
#16
Paula Nuñez, Irene Diaz, Carmen Perillan, Juan Arguelles, Elena Diaz
AIMS: Circadian rhythms are the approximate 24h biological cycles that function to prepare an organism for daily environmental changes. Circadian rhythms unquestionably play critical roles in metabolic homeostasis and the exercise has emerged as a strong non-photic time cue or zeitgeber in animal models and humans. Numerous studies on the effects of exercise on the citrate synthase activity have been published. Citrate is used to assess energy production or expenditure because it is a substrate of the Krebs Cycle, a cycle for oxidative energy production...
November 22, 2016: Life Sciences
https://www.readbyqxmd.com/read/27887813/migration-of-75-se-iv-in-crushed-beishan-granite-effects-of-the-iron-content
#17
Jiangang He, Bin Ma, Mingliang Kang, Chunli Wang, Zhe Nie, Chunli Liu
The diffusion of selenite (labeled with (75)Se) in compacted Beishan granite (BsG) was investigated using the in-diffusion capillary method at pH values from ∼2.0 to ∼11.0 under oxic and anoxic conditions. The results indicate that the apparent diffusion coefficient (Da) values of selenite in BsG always reached the minimum at approximately pH 5. Unexpectedly, the Da values under oxic conditions are nearly one order of magnitude lower than those under the anoxic conditions. Further characterization reveals the existence of redox-sensitive Fe(II)-containing components, which can be responsible for the great difference in Da values...
November 9, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27882292/muscular-strength-and-endurance-and-cardio-metabolic-health-in-disadvantaged-hispanic-children-from-the-u-s
#18
Ryan D Burns, Timothy A Brusseau
The predictive relationship between muscular strength and endurance and cardio-metabolic health, independent from aerobic fitness, is not clear in disadvantaged Hispanic children. The purpose of this study was to examine the predictive relationship between muscular strength and endurance and clustered cardio-metabolic risk, controlling for aerobic fitness, in Hispanic children from low-income schools. Participants were 320 Hispanic children (Mean age = 10.1 ± 1.1 years; 164 girls, 156 boys) recruited during the 2014-2015 and 2015-2016 academic years from five low-income schools from the state of Utah in the U...
March 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/27881596/combined-iron-deficiency-and-low-aerobic-fitness-doubly-burden-academic-performance-among-women-attending-university
#19
Samuel P Scott, Mary Jane De Souza, Karsten Koehler, Laura E Murray-Kolb
BACKGROUND: Academic success is a key determinant of future prospects for students. Cognitive functioning has been related to nutritional and physical factors. Here, we focus on iron status and aerobic fitness in young-adult female students given the high rate of iron deficiency and declines in fitness reported in this population. OBJECTIVES: We sought to explore the combined effects of iron status and fitness on academic success and to determine whether these associations are mediated by cognitive performance...
November 23, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27875497/physical-activity-absolute-intensity-vs-relative-to-fitness-level-volumes
#20
Urho M Kujala, Julia Pietilä, Tero Myllymäki, Sara Mutikainen, Tiina Föhr, Ilkka Korhonen, Elina Helander
PURPOSE: To investigate in a real-life setting how moderate and vigorous intensity physical activity (PA) volumes differ according to absolute intensity recommendation and relative to individual fitness level by sex, age, and body mass index (BMI). METHODS: 23 224 Finnish employees (10 201 men, 13 023 women; ages 18-65 years; BMI 18.5-40.0 kg/m) participated in heart rate recording for 2+ days. We used heart rate and its variability, respiration rate, and on/off response information from R-R interval data calibrated by participant characteristics to objectively determine daily PA volume, as follows: daily minutes of absolute moderate (3-<6 multiples of resting metabolic rate; METs) and vigorous (≥6 METs) PA; and minutes relative to individual aerobic fitness for moderate (40-<60% of oxygen uptake reserve) and vigorous (≥60%) PA...
November 21, 2016: Medicine and Science in Sports and Exercise
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