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SPRINT Trial

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https://www.readbyqxmd.com/read/28338369/dha-rich-fish-oil-increases-the-omega-3-index-and-lowers-the-oxygen-cost-of-physiologically-stressful-cycling-in-trained-individuals
#1
Lachlan Hingley, Michael J Macartney, Marc A Brown, Peter L McLennan, Gregory E Peoples
Dietary fish oil, providing docosahexaenoic acid (DHA) modulates oxygen consumption and fatigue in animal models. However, in humans predominately supplemented with high eicosapentaenoic acid (EPA), there is no evidence of endurance performance enhancement. Therefore, this study examined if DHA-rich fish oil could improve repeated bouts of physiologically stressful cycling and a subsequent time trial in a state of fatigue. Twenty-six trained males took part in a double-blind study and were supplemented with either 2x1g/day soy oil (Control) or DHA-rich tuna fish oil (Nu-Mega) (FO) (560mg DHA / 140mg eicosapentaenoic acid (EPA)) for eight weeks...
March 24, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28332025/endurance-aerobic-high-intensity-and-repeated-sprint-cycling-performance-is-unaffected-by-normobaric-live-high-train-low-a-double-blind-placebo-controlled-cross-over-study
#2
Jacob Bejder, Andreas Breenfeldt Andersen, Rie Buchardt, Tanja Hultengren Larsson, Niels Vidiendal Olsen, Nikolai Baastrup Nordsborg
The aim was to investigate whether 6 weeks of normobaric "Live High-Train Low" (LHTL) using altitude tents affect highly trained athletes incremental peak power, 26-km time-trial cycling performance, 3-min all-out performance, and 30-s repeated sprint ability. In a double-blinded, placebo-controlled cross-over design, seven highly trained triathletes were exposed to 6 weeks of normobaric hypoxia (LHTL) and normoxia (placebo) for 8 h/day. LHTL exposure consisted of 2 weeks at 2500 m, 2 weeks at 3000 m, and 2 weeks at 3500 m...
March 22, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28323574/the-effects-of-an-increased-calorie-breakfast-consumed-prior-to-simulated-match-play-in-academy-soccer-players
#3
Marc A Briggs, Liam D Harper, Ged McNamee, Emma Cockburn, Penny L S Rumbold, Emma J Stevenson, Mark Russell
Dietary analysis of Academy soccer players highlights that total energy and carbohydrate intakes are less than optimal, especially, on match-days. As UK Academy matches predominantly kick-off at ∼11:00 h, breakfast is likely the last pre-exercise meal and thus may provide an intervention opportunity on match-day. Accordingly, the physiological and performance effects of an increased calorie breakfast consumed ∼135-min before soccer-specific exercise was investigated. English Premier League Academy soccer players (n = 7) repeated a 90-min soccer match simulation on two occasions after consumption of habitual (Bhab; ∼1100 kJ) or increased (Binc; ∼2100 kJ) energy breakfasts standardised for macronutrient contributions (∼60% carbohydrates, ∼15% proteins and ∼25% fats)...
March 21, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28284813/blood-pressure-differences-between-one-automatic-measurement-and-the-mean-value-of-3-automatic-measurements-sprint-trial
#4
Luis Rodríguez Padial, Antonio Segura Fragoso, Francisco Javier Alonso Moreno, Miguel A Arias, Alejandro Villarín Castro, Gustavo Cristóbal Rodríguez Roca
BACKGROUND AND OBJECTIVES: There are discrepancies regarding how to measure blood pressure (BP). The goal of this study was to determine the differences between one automatic BP measurement and the mean of 3 automatic BP measurements. PATIENTS AND METHOD: Two patient populations were used. A sample population (n=1,337) in which the measurement was performed by a nurse at the health center, and a consecutive series of patients (n=200) who had the measurement performed in front of the doctor in the office...
March 8, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28277431/validity-of-single-beam-timing-lights-at-different-heights
#5
Stefan Altmann, Max Spielmann, Florian Engel, Rainer Neumann, Steffen Ringhof, Doris Oriwol, Sascha Haertel
The purpose of this study was to quantify the effect of different timing light heights on sprint time and the validity of measurement. Two single beam timing gate systems were used to measure 30-m sprint time (splits at 5 m and 10 m) in 15 healthy and physically active male subjects. System 1 was set up at a height of 0.64 m, system 2 at 0.25 m (initial timing light) and 1.00 m (each following timing light), respectively. Participants performed three valid trials. The recordings of a high-speed video camera were used as a reference...
March 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28277402/a-multifactorial-criteria-based-progressive-algorithm-for-hamstring-injury-treatment
#6
Jurdan Mendiguchia, Enrique Martinez-Ruiz, Pascal Edouard, Jean-Benoît Morin, Francisco Martinez-Martinez, Fernando Idoate, Alberto Mendez-Villanueva
INTRODUCTION: Given the prevalence of hamstring injuries in football, a rehabilitation program that effectively promotes muscle tissue repair and functional recovery is paramount to minimize re-injury risk and optimize player performance and availability. PURPOSE: To assess the concurrent effectiveness of administering an individualized and multifactorial criteria-based algorithm (RA) on hamstring injury rehabilitation in comparison to employing a general rehabilitation protocol (RP)...
March 8, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28271312/chronic-effects-of-superimposed-electromyostimulation-during-cycling-on-aerobic-and-anaerobic-capacity
#7
Sebastian Mathes, Niklas Lehnen, Tobias Link, Wilhelm Bloch, Joachim Mester, Patrick Wahl
PURPOSE: To examine if chronic endurance training by means of simultaneously applied, superimposed electromyostimulation (EMS) can be used to improve performance and physiological core parameters compared to the traditional cycling. METHODS: Twenty-one male subjects (VO2peak 55.2 ± 5.1 ml min(- 1) kg(- 1)) were assigned to either a cycling (C) or cycling with superimposed EMS (C + E) group. Before and after the 4-week training period, including 14 sessions of moderate cycling [60 min at 60% peak power output (PPO)], participants performed a 20-min time-trial, a step test to exhaustion, a 30-s isokinetic sprint test, and maximum force- and power-tests...
March 7, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28267687/hypertension-s-3-dilemmas-and-3-solutions-pharmacology-of-the-kidney-in-hypertension
#8
William A Pettinger
The Hypertension Community has 3 conflicting dilemmas: a goal systolic pressure of 120 mm Hg or less (the SPRINT Trials), 40% of our 60,000,000 hypertensives still sustain blood pressures above 140/90 mm Hg, and our most potent antihypertensive drug minoxidil sits on the sidelines, imprisoned in the Food and Drug Administration's Black Box designation. My solutions to these dilemmas are: (1) review of the facts of our most potent antihypertensive drug minoxidil which is essentially free of toxicity, (2) treatment focus on the fundamental cause of high blood pressure, that is excess dietary sodium and, (3) prevention of, and/or reversal of, the fundamental mechanism of worsening hypertension, arteriolar hypertrophy...
March 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28256397/the-effects-of-a-combined-static-dynamic-stretching-protocol-on-athletic-performance-in-elite-gaelic-footballers-a-randomised-controlled-crossover-trial
#9
Martin Loughran, Philip Glasgow, Chris Bleakley, Joseph McVeigh
OBJECTIVES: To determine the effect of three different static-dynamic stretching protocols on sprint and jump performance in Gaelic footballers. DESIGN: Double-blind, controlled, crossover trial. SETTING: Sports Institute research environment. PARTICIPANTS: Seventeen male elite level Gaelic footballers, aged 18-30 years, completed three stretching protocols. MAIN OUTCOME MEASURES: Athletic performance was measured by countermovement jump height and power, and timed 10 m, 20 m, and 40 m sprints...
December 1, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28193605/potential-deaths-averted-and-serious-adverse-events-incurred-from-adoption-of-the-sprint-intensive-blood-pressure-regimen-in-the-u-s-projections-from-nhanes
#10
Adam P Bress, Holly Kramer, Rasha Khatib, Srinivasan Beddhu, Alfred K Cheung, Rachel Hess, Vinod K Bansal, Guichan Cao, Jerry Yee, Andrew E Moran, Ramon A Durazo-Arvizu, Paul Muntner, Richard S Cooper
Background -The Systolic Blood Pressure Intervention Trial (SPRINT) demonstrated a 27% reduction in all-cause mortality with a systolic blood-pressure (SBP) goal of <120 mmHg versus <140 mmHg among U.S. adults at high cardiovascular disease (CVD) risk but without diabetes, stroke, or heart failure. To quantify the potential benefits and risks of SPRINT intensive goal implementation, we estimated the deaths prevented and excess serious adverse events (SAEs) incurred if the SPRINT intensive SBP treatment goal was implemented in all eligible U...
February 13, 2017: Circulation
https://www.readbyqxmd.com/read/28183441/similar-metabolic-response-to-lower-versus-upper-body-interval-exercise-or-endurance-exercise
#11
Monique E Francois, Matthew J Graham, Evelyn B Parr, Nancy J Rehrer, Samuel J E Lucas, Stasinos Stavrianeas, James D Cotter
PURPOSE: To compare energy use and substrate partitioning arising from repeated lower- versus upper-body sprints, or endurance exercise, across a 24-h period. METHODS: Twelve untrained males (24±4 y) completed three trials in randomized order: (1) repeated sprints (five 30-s Wingate, 4.5-min recovery) on a cycle ergometer (SITLegs); (2) 50-min continuous cycling at 65% V̇O2max (END); (3) repeated sprints on an arm-crank ergometer (SITArms). Respiratory gas exchange was assessed before and during exercise, and at eight points across 22h of recovery...
March 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28182508/effects-of-carbohydrate-ingestion-and-carbohydrate-mouth-rinse-on-repeat-sprint-performance
#12
Ben M Krings, Timothy J Peterson, Brandon D Shepherd, Matthew J McAllister, JohnEric W Smith
The purpose of this investigation was to examine to the influence of carbohydrate ingestion (CHOI) and carbohydrate mouth rinse (CHOR) on acute repeat maximal sprint performance. Fourteen healthy males (age: 21.7 ± 1.8 years, mass: 82.3 ± 12.3 kg) completed a total of five 15-second maximal repeat sprints on a cycle ergometer against 0.075 kg . kg(-1) body mass each separated by four minutes of active recovery. Subjects completed four experimental trials and were randomly assigned one of four treatments: (1) CHOI, (2) CHOR, (3) placebo mouth rinse (PLAR), (4) placebo ingestion (PLAI)...
February 9, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28177733/the-effects-of-block-training-on-pacing-during-20-km-cycling-time-trial
#13
Vitor Pereira Costa, Luiz Guilherme Antonacci Guglielmo, Carl David Paton
The aim of this study was to determine the effects of block training (BL) on pacing during a 20-km hilly cycling time trial (TT) in trained cyclists. Twenty male cyclists were separated into 2 groups: control and BL. The training of each cyclist was monitored during a period of 3 weeks. In the first week cyclists performed an overload period of 7 consecutive days of high-intensity interval training followed by 2 weeks of normal training. Cyclists performed 1 TT before intervention and 2 TT after 7 and 14 days at the end of training...
December 15, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28174540/the-influence-of-mid-event-deception-on-psychophysiological-status-and-pacing-can-persist-across-consecutive-disciplines-and-enhance-self-paced-multi-modal-endurance-performance
#14
Daniel Taylor, Mark F Smith
Purpose: To examine the effects of deceptively aggressive bike pacing on performance, pacing, and associated physiological and perceptual responses during simulated sprint-distance triathlon. Methods: Ten non-elite, competitive male triathletes completed three simulated sprint-distance triathlons (0.75 km swim, 500 kJ bike, 5 km run), the first of which established personal best "baseline" performance (BL). During the remaining two trials athletes maintained a cycling power output 5% greater than BL, before completing the run as quickly as possible...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28166324/effect-of-intensive-blood-pressure-control-on-gait-speed-and-mobility-limitation-in-adults-75-years-or-older-a-randomized-clinical-trial
#15
Michelle C Odden, Carmen A Peralta, Dan R Berlowitz, Karen C Johnson, Jeffrey Whittle, Dalane W Kitzman, Srinivasan Beddhu, John W Nord, Vasilios Papademetriou, Jeff D Williamson, Nicholas M Pajewski
Importance: Intensive blood pressure (BP) control confers a benefit on cardiovascular morbidity and mortality; whether it affects physical function outcomes is unknown. Objective: To examine the effect of intensive BP control on changes in gait speed and mobility status. Design, Setting, and Participants: This randomized, clinical trial included 2636 individuals 75 years or older with hypertension and no history of type 2 diabetes or stroke who participated in the Systolic Blood Pressure Intervention Trial (SPRINT)...
February 6, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28161697/in-the-wake-of-systolic-blood-pressure-intervention-trial-new-targets-for-improving-hypertension-management-in-chronic-kidney-disease
#16
Crystal C Tyson, Thomas M Coffman
Systolic Blood Pressure Intervention Trial (SPRINT) was a multicenter randomized controlled trial showing the significant benefit of intensive reduction of blood pressure to a target of 120 mm Hg in individuals with hypertension and elevated cardiovascular risk. Because SPRINT includes the largest cohort of adults with chronic kidney disease (CKD) to be prospectively studied in a hypertension intervention trial, it has particular relevance to the field of nephrology. Here, we review the findings of SPRINT and assess their potential impact on guidelines for treatment of hypertension in patients with CKD...
February 4, 2017: Nephron
https://www.readbyqxmd.com/read/28160084/neuromuscular-adaptations-to-sprint-interval-training-and-the-effect-of-mammalian-omega-3-fatty-acid-supplementation
#17
RANDOMIZED CONTROLLED TRIAL
Evan J H Lewis, Frédéric Stucky, Peter W Radonic, Adam H Metherel, Thomas M S Wolever, Greg D Wells
PURPOSE: Sprint interval training (SIT) stimulates rapid metabolic adaptations within skeletal muscle but the nature of neuromuscular adaptions is unknown. Omega-3 polyunsaturated fatty acids (N-3 PUFA) are suggested to enhance neuromuscular adaptations to exercise. METHODS: We measured the neuromuscular adaptations to SIT (Study-1) and conducted a placebo-controlled randomized double blinded study to determine the effect of N-3 PUFA supplementation on neuromuscular adaptations to SIT (Study-2)...
March 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28159816/implications-of-blood-pressure-measurement-technique-for-implementation-of-systolic-blood-pressure-intervention-trial-sprint
#18
Rajiv Agarwal
BACKGROUND: Cardiovascular morbidity and mortality was reduced by 25% when blood pressure (BP) was targeted to 120 mm Hg systolic compared with 140 mm Hg systolic in Systolic Blood Pressure Intervention Trial (SPRINT); however, BP was measured using a research technique. SPRINT specified 5 minutes of seated rest in a quiet room followed by 3 oscillometric measurements without an observer in the room. The relationship of this research-grade methodology to routine BP measurements is not known...
February 3, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28150178/the-effect-of-concurrent-plyometric-training-versus-submaximal-aerobic-cycling-on-rowing-economy-peak-power-and-performance-in-male-high-school-rowers
#19
Julian D Egan-Shuttler, Rohan Edmonds, Cassandra Eddy, Veronica O'Neill, Stephen J Ives
BACKGROUND: Plyometric training has been shown to increase muscle power, running economy, and performance in athletes. Despite its use by rowing coaches, it is unknown whether plyometrics might improve rowing economy or performance. The purpose was to determine if plyometric training, in conjunction with training on the water, would lead to improved rowing economy and performance. METHODS: Eighteen male high school rowers were assigned to perform 4 weeks of either plyometric training (PLYO, n = 9) or steady-state cycling below ventilatory threshold (endurance, E, n = 9), for 30 min prior to practice on the water (matched for training volume) 3 days per week...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28149381/comparison-between-two-types-of-anaerobic-speed-endurance-training-in-competitive-soccer-players
#20
Magni Mohr, Peter Krustrup
The purpose of the present study was to examine the effects of additional in-season speed endurance production versus speed endurance maintenance training regimes on performance in competitive male soccer players. In a randomised controlled trial 18 male sub-elite players were exposed to additional speed endurance production (SEP) or speed endurance maintenance (SEM) training (two additional sessions/wk for 4 weeks) during the competitive season. Players performed the Yo-Yo intermittent recovery level 2 test (YYIR2) and a repeated sprint test (RST) pre- and post-intervention...
June 1, 2016: Journal of Human Kinetics
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