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Periodisation

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https://www.readbyqxmd.com/read/28857336/aerobic-exercise-training-does-not-alter-vascular-structure-and-function-in-chronic-obstructive-pulmonary-disease
#1
Jinelle C Gelinas, Nia C Lewis, Megan I Harper, Bernie Melzer, Gloria Agar, J Douglass Rolf, Neil D Eves
What is the central question of this study? Chronic obstructive pulmonary disease (COPD) is associated with endothelial dysfunction, arterial stiffness and systemic inflammation, which are linked to increased cardiovascular disease risk. We asked whether periodized aerobic exercise training could improve vascular structure and function in patients with COPD. What is the main finding and its importance? Eight weeks of periodized aerobic training did not improve endothelial function, arterial stiffness or systemic inflammation in COPD, despite improvements in aerobic capacity, blood pressure and dyspnoea...
August 31, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28841667/the-effects-of-d-aspartic-acid-supplementation-in-resistance-trained-men-over-a-three-month-training-period-a-randomised-controlled-trial
#2
Geoffrey W Melville, Jason C Siegler, Paul W M Marshall
CONTEXT: Research on d-aspartic acid (DAA) has demonstrated increases in total testosterone levels in untrained men, however research in resistance-trained men demonstrated no changes, and reductions in testosterone levels. The long-term consequences of DAA in a resistance trained population are currently unknown. OBJECTIVE: To evaluate the effectiveness of DAA to alter basal testosterone levels over 3 months of resistance training in resistance-trained men. DESIGN: Randomised, double-blind, placebo controlled trial in healthy resistance-trained men, aged 18-36, had been performing regular resistance training exercise for at least 3 d...
2017: PloS One
https://www.readbyqxmd.com/read/28698349/a-pilot-randomised-controlled-trial-of-a-periodised-resistance-training-and-protein-supplementation-intervention-in-prostate-cancer-survivors-on-androgen-deprivation-therapy
#3
Jacqueline L Kiwata, Tanya B Dorff, E Todd Schroeder, George J Salem, Christianne J Lane, Judd C Rice, Mitchell E Gross, Christina M Dieli-Conwright
INTRODUCTION: Prostate cancer survivors (PCS) receiving androgen deprivation therapy (ADT) experience deleterious side effects such as unfavourable changes in cardiometabolic factors that lead to sarcopenic obesity and metabolic syndrome (MetS). While loss of lean body mass (LBM) compromises muscular strength and quality of life, MetS increases the risk of cardiovascular disease and may influence cancer recurrence. Exercise can improve LBM and strength, and may serve as an alternative to the pharmacological management of MetS in PCS on ADT...
July 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28401310/the-efficacy-of-periodised-resistance-training-on-neuromuscular-adaptation-in-older-adults
#4
Jenny A Conlon, Robert U Newton, James J Tufano, Luis E Peñailillo, Harry G Banyard, Amanda J Hopper, Ashley J Ridge, G Gregory Haff
PURPOSE: This study compared the effect of periodised versus non-periodised (NP) resistance training on neuromuscular adaptions in older adults. METHODS: Forty-one apparently healthy untrained older adults (female = 21, male = 20; 70.9 ± 5.1 years; 166.3 ± 8.2 cm; 72.9 ± 13.4 kg) were recruited and randomly stratified to an NP, block periodised (BP), or daily undulating periodised (DUP) training group. Outcome measures were assessed at baseline and following a 22-week resistance training intervention (3 day week(-1)), including: muscle cross-sectional area (CSA), vertical jump performance, isometric and isokinetic peak torque, isometric rate of force development (RFD), and muscle activation...
June 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28277433/changes-in-unilateral-upper-limb-muscular-strength-and-emg-activity-following-a-16-week-strength-training-intervention-survivors-of-breast-cancer
#5
Amanda D Hagstrom, Kathleen A Shorter, Paul W M Marshall
Upper limb strength deficits are frequently observed following breast cancer and its treatments. It is currently unknown whether these unilateral deficits can be corrected by a standard bilateral strength training intervention. Twenty three survivors of breast cancer were included in this analysis. Fourteen performed a 16 week resistance training (RT) intervention, 9 were assigned to a usual care waitlist control group. Electromyographic (EMG) analysis of the pectoralis major and triceps brachii were monitored during three maximal isometric contractions and a fatiguing endurance task...
March 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28266908/evaluating-strategic-periodisation-in-team-sport
#6
Sam Robertson, David Joyce
The planned peaking for matches or events of perceived greatest priority or difficulty throughout a competitive season is commonplace in high-level team sports. Despite this prevalence in the field, little research exists on the practice. This study aimed to provide a framework for strategic periodisation which team sport organisations can use to evaluate the efficacy of such plans. Data relating to factors potentially influencing the difficulty of matches were obtained for games played in the 2014 Australian Football League season...
March 7, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28035584/from-lab-to-real-world-heat-acclimation-considerations-for-elite-athletes
#7
Julia R Casadio, Andrew E Kilding, James D Cotter, Paul B Laursen
As major sporting events are often held in hot environments, increased interest in ways of optimally heat acclimating athletes to maximise performance has emerged. Heat acclimation involves repeated exercise sessions in hot conditions that induce physiological and thermoregulatory adaptations that attenuate heat-induced performance impairments. Current evidence-based guidelines for heat acclimation are clear, but the application of these recommendations is not always aligned with the time commitments and training priorities of elite athletes...
August 2017: Sports Medicine
https://www.readbyqxmd.com/read/28012184/low-carbohydrate-high-fat-diet-impairs-exercise-economy-and-negates-the-performance-benefit-from-intensified-training-in-elite-race-walkers
#8
Louise M Burke, Megan L Ross, Laura A Garvican-Lewis, Marijke Welvaert, Ida A Heikura, Sara G Forbes, Joanne G Mirtschin, Louise E Cato, Nicki Strobel, Avish P Sharma, John A Hawley
KEY POINTS: Three weeks of intensified training and mild energy deficit in elite race walkers increases peak aerobic capacity independent of dietary support. Adaptation to a ketogenic low carbohydrate, high fat (LCHF) diet markedly increases rates of whole-body fat oxidation during exercise in race walkers over a range of exercise intensities. The increased rates of fat oxidation result in reduced economy (increased oxygen demand for a given speed) at velocities that translate to real-life race performance in elite race walkers...
May 1, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/27873190/development-of-a-skill-acquisition-periodisation-framework-for-high-performance-sport
#9
REVIEW
Damian Farrow, Sam Robertson
Unlike physical training, skill acquisition does not currently utilise periodisation to plan, monitor and evaluate programs. Development of a skill acquisition periodisation framework would allow for systematic investigation into the acute and longitudinal effectiveness of such interventions. Using the physical training literature as a reference point, a skill-training periodisation framework was developed for use in high-performance sport. Previous research undertaken in skill acquisition was used to provide support for the framework...
November 21, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27610427/paediatric-sports-injuries
#10
Leesa Huguenin
BACKGROUND: Paediatric sports injuries are common. Fortunately, most children self-modulate their activity levels when injured until they recover, but some will seek medical help. Injury pattern varies with age, mechanism and the chosen sport. OBJECTIVE: The aim of this article is to give a general overview of some of the more common paediatric sports injuries, including common patterns of pathogenesis, the effects of growth and biomechanics on tissue load, and issues particular to specific sports...
July 2016: Australian Family Physician
https://www.readbyqxmd.com/read/27448391/current-perspectives-on-profiling-and-enhancing-wheelchair-court-sport-performance
#11
Thomas Paulson, Victoria Goosey-Tolfrey
Despite the growing interest in Paralympic sport, the evidence-base for supporting elite wheelchair sport performance remains in its infancy when compared to able-bodied (AB) sport. Subsequently, current practice is often based on theory adapted from AB guidelines, with a heavy reliance on anecdotal evidence and practitioner experience. Many principles in training prescription and performance monitoring with wheelchair athletes are directly transferable from AB practice, including the periodisation and tapering of athlete loads around competition...
August 24, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27360092/a-periodised-low-volume-high-training-load-regimen-reduces-the-rate-of-recruit-injury-within-basic-military-training-949-board-265-june-1-2-00-pm-3-30-pm
#12
Herbert Groeller, Simon D Burley, John A Sampson, Bradley C Nindl, Jace Drain
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27240038/physical-demand-of-seven-closed-agility-drills
#13
Mark Atkinson, Simon Rosalie, Kevin Netto
The present study aimed to quantify the demand of seven generic, closed agility drills. Twenty males with experience in invasion sports volunteered to participate in this study. They performed seven, closed agility drills over a standardised 30-m distance. Physical demand measures of peak velocity, total foot contacts, peak impacts, completion time, and maximum heart rate were obtained via the use of wearable sensor technologies. A subjective rating of perceived exertion (RPE) was also obtained. All measures, with the exception of maximum heart rates and RPE were able to delineate drills in terms of physical and physiological demand...
November 2016: Sports Biomechanics
https://www.readbyqxmd.com/read/26536538/quantification-of-training-load-during-one-two-and-three-game-week-schedules-in-professional-soccer-players-from-the-english-premier-league-implications-for-carbohydrate-periodisation
#14
Liam Anderson, Patrick Orme, Rocco Di Michele, Graeme L Close, Ryland Morgans, Barry Drust, James P Morton
Muscle glycogen is the predominant energy source for soccer match play, though its importance for soccer training (where lower loads are observed) is not well known. In an attempt to better inform carbohydrate (CHO) guidelines, we quantified training load in English Premier League soccer players (n = 12) during a one-, two- and three-game week schedule (weekly training frequency was four, four and two, respectively). In a one-game week, training load was progressively reduced (P < 0.05) in 3 days prior to match day (total distance = 5223 ± 406, 3097 ± 149 and 2912 ± 192 m for day 1, 2 and 3, respectively)...
2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/26043224/effect-of-chronic-training-on-heart-rate-variability-salivary-iga-and-salivary-alpha-amylase-in-elite-swimmers-with-a-disability
#15
Rohan Edmonds, Brendan Burkett, Anthony Leicht, Mark McKean
The purpose of this study was to a) determine the heart rate variability (HRV) and saliva markers of immunity (salivary immunoglobulin A; sIgA) and stress (salivary alpha-amylase; sAA) responses to chronic training in elite swimmers with a disability; and b) identify the relationships between HRV, sIgA, sAA and training volume. Eight members of a high performance Paralympic swimming program were monitored for their weekly resting HRV, sIgA and sAA levels in the 14 weeks leading up to a major international competition...
2015: PloS One
https://www.readbyqxmd.com/read/25611789/periodization-and-physical-performance-in-elite-female-soccer-players
#16
Jocelyn K Mara, Kevin G Thompson, Kate L Pumpa, Nick B Ball
PURPOSE: To investigate the variation in training demands, physical performance, and player well-being across a women's soccer season. METHODS: Seventeen elite female players wore GPS tracking devices during every training session (N=90) throughout 1 national-league season. Intermittent high-speed-running capacity and 5-, 15-, and 25-m-sprint testing were conducted at the beginning of preseason, end of preseason, midseason, and end of season. In addition, subjective well-being measures were self-reported daily by players over the course of the season...
July 2015: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/25559908/learning-the-hang-power-clean-kinetic-kinematic-and-technical-changes-in-four-weightlifting-naive-athletes
#17
William B Haug, Eric J Drinkwater, Dale W Chapman
The investment in learning required to reach benefit with weightlifting training is currently not well understood in elite athletes. The purpose of this investigation was to quantify changes in vertical jump power production and kinematic variables in hang power clean (HPC) performance during the learning process from a naive state in a multiple single-subject research design. Four elite athletes undertook HPC learning for approximately 20-30 minutes twice per week over a 169-day period. Changes in parameters of vertical power production during squat jump (SJ) and countermovement jump (CMJ) were monitored from baseline (day 0) and at 3 additional occasions...
July 2015: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/24977714/informing-in-season-tactical-periodisation-in-team-sport-development-of-a-match-difficulty-index-for-super-rugby
#18
Samuel J Robertson, David G Joyce
In team sports, tactical periodisation refers to the planned manipulation of training loads with the aim of prioritising athlete readiness for matches of greatest importance. Although monitoring of athletes' physical condition is often used to inform this planning, the direct influence of external factors on match difficulty has not been well quantified. In this study, a 'match difficulty index' (MDI) for use in Super Rugby was developed, based on the influence imparted by five external factors on previous match outcomes...
2015: Journal of Sports Sciences
https://www.readbyqxmd.com/read/24744485/monitoring-training-loads-stress-immune-endocrine-responses-and-performance-in-tennis-players
#19
R V Gomes, A Moreira, L Lodo, K Nosaka, A J Coutts, M S Aoki
The study aim was to investigate the effect of a periodised pre-season training plan on internal training load and subsequent stress tolerance, immune-endocrine responses and physical performance in tennis players. Well-trained young tennis players (n = 10) were monitored across the pre-season period, which was divided into 4 weeks of progressive overloading training and a 1-week tapering period. Weekly measures of internal training load, training monotony and stress tolerance (sources and symptoms of stress) were taken, along with salivary testosterone, cortisol and immunoglobulin A...
September 2013: Biology of Sport
https://www.readbyqxmd.com/read/24700160/heart-rate-variability-and-training-intensity-distribution-in-elite-rowers
#20
Daniel J Plews, Paul B Laursen, Andrew E Kilding, Martin Buchheit
PURPOSE: Elite endurance athletes may train in a polarized fashion, such that their training-intensity distribution preserves autonomic balance. However, field data supporting this are limited. METHODS: The authors examined the relationship between heart-rate variability and training-intensity distribution in 9 elite rowers during the 26-wk build-up to the 2012 Olympic Games (2 won gold and 2 won bronze medals). Weekly averaged log-transformed square root of the mean sum of the squared differences between R-R intervals (Ln rMSSD) was examined, with respect to changes in total training time (TTT) and training time below the first lactate threshold (<LT(1)), above the second lactate threshold (LT(2)), and between LT(1) and LT(2) (LT(1)-LT(2))...
November 2014: International Journal of Sports Physiology and Performance
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