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SPRINT Trial

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https://www.readbyqxmd.com/read/28806275/effects-of-creatine-and-carbohydrate-loading-on-cycling-time-trial-performance
#1
Kristyen A Tomcik, Donny M Camera, Julia L Bone, Megan L Ross, Nikki A Jeacocke, Bill Tachtsis, Joan Senden, Luc J C van Loon, John A Hawley, Louise M Burke
INTRODUCTION: Creatine- and carbohydrate-loading are dietary strategies used to enhance exercise capacity. This study examined the metabolic and performance effects of a combined creatine and CHO-loading regiment on time-trial (TT) cycling bouts. METHODS: Eighteen well-trained (~65mL[BULLET OPERATOR]kg[BULLET OPERATOR]min VO2peak) males completed three performance trials (PT) comprised of a 120-km cycling TT interspersed with alternating 1- and 4-km sprints (6 sprints each) performed every 10-km followed by an inclined ride to fatigue (~90% VO2peak)...
August 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28806100/including-the-copenhagen-adduction-exercise-in-the-fifa-11-provides-missing-eccentric-hip-adduction-strength-effect-in-male-soccer-players-a-randomized-controlled-trial
#2
Joar Harøy, Kristian Thorborg, Andreas Serner, André Bjørkheim, Linn E Rolstad, Per Hölmich, Roald Bahr, Thor Einar Andersen
BACKGROUND: The FIFA 11+ was developed as a complete warm-up program to prevent injuries in soccer players. Although reduced hip adduction strength is associated with groin injuries, none of the exercises included in the FIFA 11+ seem to specifically target hip adduction strength. PURPOSE: To investigate the effect on eccentric hip adduction strength of the FIFA 11+ warm-up program with or without the Copenhagen adduction exercise. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28801751/activity-demands-during-multi-directional-team-sports-a-systematic-review
#3
REVIEW
Jeffrey B Taylor, Alexis A Wright, Steven L Dischiavi, M Allison Townsend, Adam R Marmon
BACKGROUND: Late-stage rehabilitation programs often incorporate 'sport-specific' demands, but may not optimally simulate the in-game volume or intensity of such activities as sprinting, cutting, jumping, and lateral movement. OBJECTIVE: The aim of this review was to characterize, quantify, and compare straight-line running and multi-directional demands during sport competition. DATA SOURCES: A systematic review of PubMed, CINAHL, SPORTDiscus, and Cochrane Central Register of Controlled Trials databases was conducted...
August 12, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28793997/effect-of-intensive-versus-standard-blood-pressure-treatment-according-to-baseline-prediabetes-status-a-post-hoc-analysis-of-a-randomized-trial
#4
Adam P Bress, Jordan B King, Kathryn E Kreider, Srinivasan Beddhu, Debra L Simmons, Alfred K Cheung, Yingying Zhang, Michael Doumas, John Nord, Mary Ellen Sweeney, Addison A Taylor, Charles Herring, William J Kostis, James Powell, Anjay Rastogi, Christianne L Roumie, Alan Wiggers, Jonathan S Williams, Reem Yunis, Athena Zias, Greg W Evans, Tom Greene, Michael V Rocco, William C Cushman, David M Reboussin, Mark N Feinglos, Vasilios Papademetriou
OBJECTIVE: To determine whether the effects of intensive (<120 mmHg) compared with standard (<140 mmHg) systolic blood pressure (SBP) treatment are different among those with prediabetes versus those with fasting normoglycemia at baseline in the Systolic Blood Pressure Intervention Trial (SPRINT). RESEARCH DESIGN AND METHODS: This was a post hoc analysis of SPRINT. SPRINT participants were categorized by prediabetes status, defined as baseline fasting serum glucose ≥100 mg/dL versus those with normoglycemia (fasting serum glucose <100 mg/dL)...
August 9, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28777249/isometric-mid-thigh-pull-performance-is-associated-with-athletic-performance-and-sprinting-kinetics-in-division-i-men-and-women-s-basketball-players
#5
Jeremy R Townsend, David Bender, William Vantrease, John Hudy, Kevin Huet, Cassie Williamson, Emily Bechke, Paul Serafini, Gerald T Mangine
PURPOSE: To examine the relationships between isometric mid-thigh pull (IMTP) force, athletic performance measures, and sprint kinetics in Division I men's and women's basketball players. METHODS: Twenty-three (male = 8, female = 15) division 1 basketball players completed a maximal 20-m sprint trial while tethered to a device which provided kinetic feedback (peak and average sprinting power, velocity and force). Additionally, one repetition-maximal (1RM) front squat, 1RM hang clean, vertical jump height, and agility (pro-agility and lane agility) tests were performed...
July 31, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28771064/vitamin-d3-supplementation-does-not-improve-sprint-performance-in-professional-rugby-players-a-randomised-placebo-controlled-double-blind-intervention-study
#6
Kirsty A Fairbairn, Ingrid Jm Ceelen, C Murray Skeaff, Claire M Cameron, Tracy L Perry
Vitamin D insufficiency is common in athletes and may lower physical performance. Many cross-sectional studies associate vitamin D status with physical performance in athletes, however there have been few prospective randomised controlled trials with adequate statistical power to test this relationship, and none in the southern hemisphere. Thus, a prospective double blind, randomised placebo-controlled intervention trial was conducted, involving 57 professional rugby union players in New Zealand. Participants were randomised to receive 50,000 IU of cholecalciferol (equivalent to 3,570 IU/day) or placebo once every two weeks over 11-12 weeks...
August 3, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28767317/effects-of-inter-limb-asymmetries-on-physical-and-sports-performance-a-systematic-review
#7
Chris Bishop, Anthony Turner, Paul Read
The prevalence of inter-limb asymmetries has been reported in numerous studies across a wide range of sports and physical qualities; however, few have analysed their effects on physical and sports performance. A systematic review of the literature was undertaken using the Medline and SPORT Discus databases, with all articles required to meet a specified criteria based on a quality review. Eighteen articles met the inclusion criteria, relating participant asymmetry scores to physical and sports performance measures...
August 2, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28760939/visit-to-visit-office-blood-pressure-variability-and-cardiovascular-outcomes-in-sprint-systolic-blood-pressure-intervention-trial
#8
Tara I Chang, David M Reboussin, Glenn M Chertow, Alfred K Cheung, William C Cushman, William J Kostis, Gianfranco Parati, Dominic Raj, Erik Riessen, Brian Shapiro, George S Stergiou, Raymond R Townsend, Konstantinos Tsioufis, Paul K Whelton, Jeffrey Whittle, Jackson T Wright, Vasilios Papademetriou
Studies of visit-to-visit office blood pressure (BP) variability (OBPV) as a predictor of cardiovascular events and death in high-risk patients treated to lower BP targets are lacking. We conducted a post hoc analysis of SPRINT (Systolic Blood Pressure Intervention Trial), a well-characterized cohort of participants randomized to intensive (<120 mm Hg) or standard (<140 mm Hg) systolic BP targets. We defined OBPV as the coefficient of variation of the systolic BP using measurements taken during the 3-,6-, 9-, and 12-month study visits...
July 31, 2017: Hypertension
https://www.readbyqxmd.com/read/28760878/correction-to-effect-of-intensive-blood-pressure-lowering-on-left-ventricular-hypertrophy-in-patients-with-hypertension-sprint-systolic-blood-pressure-intervention-trial
#9
https://www.readbyqxmd.com/read/28759539/reliability-characteristics-and-applicability-of-a-repeated-sprint-ability-test-in-male-young-soccer-players
#10
Carlo Castagna, Lorenzo Francini, Peter Krustrup, Juliano Fenarnandes-da-Silva, Susana C A Póvoas, Andrea Bernardini, Stefano D'Ottavio
The aim of this study was to examine the usefulness and reliability characteristics of a repeated sprint ability test considering 5 line sprints of 30-m interspersed with 30-s of active recovery in non-elite outfield young male soccer players. Twenty-six (age 14.9±1.2 years, height 1.72±0.12 cm, body mass 62.2±5.1 kg) players were tested 48 hours and 7 days apart for 5x30-m performance over 5 trials (T1-T5). Short- (T1-T2) and long-term reliability (T1-T3-T4-T5) were assessed with Intraclass Correlation Coefficient (ICC) and with typical error for measurement (TEM)...
July 28, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28759127/kinematic-stride-cycle-asymmetry-is-not-associated-with-sprint-performance-and-injury-prevalence-in-athletic-sprinters
#11
Thomas Haugen, Jørgen Danielsen, David McGhie, Øyvind Sandbakk, Gertjan Ettema
The aims of this study were to i) quantify the magnitude of kinematic stride cycle asymmetry in high-level athletic sprinters, ii) explore the association between kinematic asymmetry and maximal sprint running performance, and iii) investigate possible associations between kinematic asymmetry and injury prevalence. Twenty-two competitive sprinters (age 23 ±3 yr, height 1.81 ±0.06 m, body mass 75.5 ±5.6 kg, personal best 100-m 10.86 ±0.22 s) performed 2-3 flying sprints over 20 m. Kinematics were recorded in 3D using a motion tracking system with 21 cameras at a 250 Hz sampling rate, allowing assessment of six consecutive steps for each athlete...
July 31, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28758155/apol1-renal-risk-variants-do-not-associate-with-incident-cardiovascular-disease-or-mortality-in-the-systolic-blood-pressure-intervention-trial
#12
Barry I Freedman, Michael V Rocco, Jeffrey T Bates, Michel Chonchol, Amret T Hawfield, James P Lash, Vasilios Papademetriou, John R Sedor, Karen Servilla, Paul L Kimmel, Barry M Wall, Nicholas M Pajewski
INTRODUCTION: Relationships between apolipoprotein L1 gene (APOL1) renal-risk variants (RRVs) and cardiovascular disease (CVD) remain controversial. To clarify associations between APOL1 and CVD, 2,568 African American Systolic Blood Pressure Intervention Trial (SPRINT) participants were assessed for the incidence of CVD events (primary composite including non-fatal myocardial infarction, acute coronary syndrome not resulting in myocardial infarction, nonfatal stroke, non-fatal acute decompensated heart failure, and CVD death), renal outcomes, and all-cause mortality...
July 2017: KI Reports
https://www.readbyqxmd.com/read/28755159/managing-hypertension-in-the-elderly-what-is-different-what-is-the-same
#13
REVIEW
Wilbert S Aronow
PURPOSE OF REVIEW: The goal is to discuss management of hypertension in the elderly. RECENT FINDINGS: At 3.14-year follow-up of 2636 persons ≥75 years in the Systolic Blood Pressure Intervention Trial (SPRINT), compared with a systolic blood pressure (SBP) goal of <140 mmHg, a SBP goal of <120 mmHg reduced the primary endpoint of myocardial infarction, other acute coronary syndrome, stroke, heart failure, or cardiovascular death by 34% (p = 0.001), all-cause mortality by 33% (p = 0...
August 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28749177/sprint-trial-it-s-not-just-the-blood-pressure
#14
Gijs Fn Berkelmans, Frank Lj Visseren, Nicole Em Jaspers, Wilko Spiering, Yolanda van der Graaf, Jannick An Dorresteijn
Background The SPRINT trial showed a beneficial effect of systolic blood pressure treatment targets of 120 mmHg on cardiovascular risk compared to targets of 140 mmHg. However, differences in medication use, most importantly diuretics, are suggested as an alternative explanation. This post-hoc analysis aimed to determine whether the reduced event rate can be attributed to changes in systolic blood pressure (ΔSBP) . Methods Analyses were based on all 9361 participants of the SPRINT trial. ΔSBP was defined as the change between baseline and 6-month follow-up systolic blood pressure...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28748919/changing-concepts-in-hypertension-management
#15
REVIEW
P S Gudsoorkar, S W Tobe
Hypertension is the most common modifiable risk factor for cardiovascular disease and death, and lowering blood pressure with anti-hypertensive drugs reduces target organ damage and prevents cardiovascular disease outcomes. The recent trials SPRINT and HOPE-3 will lead to changes in the way we manage hypertension and impact on clinical practice guidelines. These studies also demonstrate the shift toward automated blood pressure measurements. We have reviewed these studies and others to put them in context with the guidelines that have come before and to describe how they will impact on hypertension treatment thresholds and targets, the treatment of hypertension in the elderly, and changing approaches to the management of hypertension including resistant hypertension...
July 27, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28746076/safety-and-efficacy-of-neublastin-in-painful-lumbosacral-radiculopathy-a-randomized-double-blinded-placebo-controlled-phase-2-trial-using-bayesian-adaptive-design-the-sprint-trial
#16
Miroslav Backonja, Leslie Williams, Xiaopeng Miao, Nathaniel Katz, Crystal Chen
Neublastin (BG00010) is a first-in-class, glial cell-derived neurotrophic factor shown in preclinical studies and an early clinical trial to have potential for the treatment of neuropathic pain. SPRINT was a phase 2, multicenter, double-blinded, placebo-controlled study to evaluate efficacy/safety of 5 neublastin doses (50, 150, 400, 800, and 1200 μg/kg) administered as an intravenous injection 3 times/week for 1 week in patients with chronic painful lumbosacral radiculopathy, utilizing Bayesian response-adaptive study design...
June 21, 2017: Pain
https://www.readbyqxmd.com/read/28724273/effects-of-inhaled-salbutamol-on-sport-specific-fitness-of-non-asthmatic-football-players
#17
Farzin Halabchi, Mahdi Abarashi, Mohammad Ali Mansournia, Tohid Seifbarghi
In this article, we investigated the effectiveness of inhaled salbutamol withtherapeutic dose on the sport-specific performance of non-asthmatic young football players. In a double-blinded, randomised placebo controlled trial with 2-treatment, 2-period crossover design, twenty participants who were non-asthmatic junior professional football players were randomly allocated to two groups. Fifteen minutes before sport-specific fitness testing, each group randomly received 2 inhalations (200 micrograms) of salbutamol or placebo, respectively...
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28707234/the-elusive-search-for-optimal-blood-pressure-targets
#18
REVIEW
Alan H Gradman
BP treatment thresholds/targets determine when to initiate treatment and to what level BP should be reduced. The Seventh Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC-7) recommended a target of <140/90 for most patients and a target <130/80 mmHg for patients with diabetes or chronic kidney disease. Subsequently, meta-analyses, retrospective studies relating on-treatment BP to clinical outcomes and two large, randomized clinical trials (RCTs) have re-evaluated BP targets...
August 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28704315/appetite-regulations-after-sprint-exercise-under-hypoxic-condition-in-female-athletes
#19
Chihiro Kojima, Nobukazu Kasai, Aya Ishibashi, Yukako Murakami, Kumiko Ebi, Kazushige Goto
The present study determined changes in appetite-regulating hormones and energy intake after high-intensity interval exercise (HIIT) under hypoxic conditions in trained female athletes. Fifteen female athletes completed three trials on different days of either HIIT under hypoxic conditions (HYP), HIIT under normoxic conditions (NOR), or rest in normoxia (CON). Exercise trials consisted of two successive sets of eight repeated bouts of a 6-s maximal sprint separated by a 30-s rest. Blood samples were obtained to measure plasma acylated ghrelin, glucagon-like peptide-1 (GLP-1), and metabolite concentrations...
July 12, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28700518/agility-and-vertical-jump-performances-are-impacted-by-acute-cool-exposure
#20
Lara A Carlson, Cara Fowler, Michael A Lawrence
Outdoor sports teams may be exposed to acute cold stress during competition, which may affect performance. Limited research has explored the effects of cold exposure on athletic components. The purpose of this study was to examine the effects of an acute whole-body cool exposure on pro-agility, vertical jump, and sprint performances. Eleven lightly clothed (∼0.3 clo) and not cold acclimatized volunteers (10/1 women/men: age 20.5 ± 0.5 y; height 1.65 ± 0.09 m; mass 63.3 ± 8.9 kg; body fat 21.3 ± 7.6%) completed performance tests in both thermoneutral (17...
July 8, 2017: Journal of Strength and Conditioning Research
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