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Monitoring training load

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https://www.readbyqxmd.com/read/29350296/use-of-biotechnological-devices-in-the-quantification-of-psychophysiological-workload-of-professional-chess-players
#1
Juan P Fuentes, Santos Villafaina, Daniel Collado-Mateo, Ricardo de la Vega, Narcis Gusi, Vicente Javier Clemente-Suárez
Psychophysiological requirements of chess players are poorly understood, and periodization of training is often made without any empirical basis. For this reason, the aim of the present study was to investigate the psychophysiological response and quantify the player internal load during, and after playing a chess game. The participant was an elite 33 year-old male chess player ranked among the 300 best chess players in the world. Thus, cortical arousal by critical flicker fusion threshold, electroencephalogram by the theta Fz/alpha Pz ratio and autonomic modulation by heart rate variability were analyzed...
January 19, 2018: Journal of Medical Systems
https://www.readbyqxmd.com/read/29345556/positional-differences-in-elite-basketball-selecting-appropriate-training-load-measures
#2
Luka Svilar, Julen Castellano, Igor Jukic, David Casamichana
PURPOSE: The purpose of this paper was to study the structure of interrelationships among external training load measures and how these vary among different positions in elite basketball. METHODS: Eight external variables of jumping (JUMP), acceleration (ACC), deceleration (DEC) and change of direction (COD), and two internal load variables (RPE and sRPE) were collected from 13 professional players with 300 session records. Three playing positions were considered: guards (n=4), forwards (n=4) and centers (n=5)...
January 18, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29345542/effects-of-late-night-training-on-slow-wave-sleep-episode-and-hour-by-hour-derived-nocturnal-cardiac-autonomic-activity-in-female-soccer-players
#3
Júlio A Costa, João Brito, Fábio Y Nakamura, Eduardo M Oliveira, António N Rebelo
PURPOSE: To assess the sensitivity of nocturnal heart rate variability (HRV) monitoring methods to the effects of late-night soccer training sessions in female athletes. METHODS: Eleven female soccer players competing in the 1st division of the Portuguese soccer league wore HR monitors during night-sleep throughout a one-week competitive in-season microcycle, after late-night training sessions (n = 3) and rest days (n = 3). HRV was analyzed through "slow-wave sleep episode" (SWSE; 10 min duration) and "hour-by-hour" (all the RR intervals recorded throughout the hours of sleep)...
January 18, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29345524/recovery-and-performance-in-sport-consensus-statement
#4
Michael Kellmann, Maurizio Bertollo, Laurent Bosquet, Michel Brink, Aaron Coutts, Rob Duffield, Daniel Erlacher, Shona Halson, Anne Hecksteden, Jahan Heidari, Romain Meeusen, Iñigo Mujika, Claudio Robazza, Sabrina Skorski, Ranel Venter, Jürgen Beckmann
The relationship between recovery and fatigue and its impact on performance has attracted the interest of sports science for many years. An adequate balance between stress (training and competition load, other life demands) and recovery is essential for athletes to achieve continuous high-level performance. Research has focused on the examination of physiological and psychological recovery strategies to compensate external and internal training and competition loads. A systematic monitoring of recovery and the subsequent implementation of recovery routines aims at maximizing performance and preventing negative developments such as underrecovery, non-functional overreaching, the overtraining syndrome, injuries, or illnesses...
January 18, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29325894/reference-values-for-the-creatine-kinase-response-to-professional-australian-football-match-play
#5
Luke A G Inman, Michael J Rennie, Mark L Watsford, Nathan J Gibbs, James Green, Robert W Spurrs
OBJECTIVES: Due to the importance of monitoring markers of muscle damage in high-level sport from a medical and athlete recovery perspective, this study aimed to determine the upper limits of normal (ULN) for post-match plasma creatine kinase (CK) in professional Australian footballers. Raw CK values were considered, along with intra-individual deviations from the season-mean. DESIGN: Case series. METHODS: CK was collected between 36-48h following professional Australian football match-play...
December 30, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29315832/a-valid-and-reliable-method-to-measure-jump-specific-training-and-competition-load-in-elite-volleyball-players
#6
Christopher Skazalski, Rod Whiteley, Clint Hansen, Roald Bahr
PURPOSE: Use of a commercially available wearable device to monitor jump load with elite volleyball players has become common practice. The purpose of this study was to evaluate the validity and reliability of this device, the Vert, to count jumps and measure jump height with professional volleyball players. METHODS: Jump count accuracy was determined by comparing jumps recorded by the device to jumps observed through systematic video analysis of three practice sessions and two league matches performed by a men's professional volleyball team...
January 6, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29303682/the-organised-chaos-of-english-adolescent-rugby-union-influence-of-weekly-match-frequency-on-the-variability-of-match-and-training-loads
#7
Padraic J Phibbs, Ben Jones, Gregory Roe, Dale Read, Joshua Darrall-Jones, Jonathon Weakley, Andrew Rock, Kevin Till
The aims of this study were to determine the variability of weekly match and training loads in adolescent rugby union players across a competitive season, and to investigate the effect of match frequency on load distribution across different activities. Internal match and training load data (i.e. session-rating of perceived exertion (sRPE)) were collected daily from 20 players from a regional academy across a 14-week season. Data were analysed using a mixed-effects linear model, and variability was reported as a coefficient of variation (CV)...
January 5, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29289497/monitoring-loads-and-non-contact-injury-during-the-transition-from-club-to-national-team-prior-to-an-international-football-tournament-a-case-study-of-the-2014-fifa-world-cup-and-2015-asia-cup
#8
Alan McCall, Mark Jones, Les Gelis, Craig Duncan, Fabian Ehrmann, Gregory Dupont, Rob Duffield
OBJECTIVES: Injured and non-injured national team footballers were compared for external and internal loads during transition from club to National team training camp. DESIGN: Prospective Case Study. METHODS: Load and injury data were collected from the same National team prior to and during training camps of 2 tournaments; World (n=17) and Asian Cups (n=16). External (number sessions) and internal (s-RPE) loads were collected 4-weeks prior to and during camps...
December 20, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29284521/exercise-intervention-for-unilateral-amputees-with-low-back-pain-study-protocol-for-a-randomised-controlled-trial
#9
Joseph G Wasser, Daniel C Herman, MaryBeth Horodyski, Jason L Zaremski, Brady Tripp, Phillip Page, Kevin R Vincent, Heather K Vincent
BACKGROUND: Atraumatic lower limb amputation is a life-changing event for approximately 185,000 persons in the United States each year. A unilateral amputation is associated with rapid changes to the musculoskeletal system including leg and back muscle atrophy, strength loss, gait asymmetries, differential mechanical joint loading and leg length discrepancies. Even with high-quality medical care and prostheses, amputees still develop secondary musculoskeletal conditions such as chronic low back pain (LBP)...
December 29, 2017: Trials
https://www.readbyqxmd.com/read/29283691/relationships-between-the-external-and-internal-training-load-in-professional-soccer-what-can-we-learn-from-machine-learning
#10
Arne Jaspers, Tim Op De Beéck, Michel S Brink, Wouter G P Frencken, Filip Staes, Jesse J Davis, Werner F Helsen
PURPOSE: Machine learning may contribute to understanding the relationship between the external load and internal load in professional soccer. Therefore, the relationship between external load indicators and the rating of perceived exertion (RPE) was examined using machine learning techniques on a group and individual level. METHODS: Training data were collected from 38 professional soccer players over two seasons. The external load was measured using global positioning system technology and accelerometry...
December 28, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29283588/do-capuchin-monkeys-sapajus-apella-know-the-contents-of-memory-traces-a-study-of-metamemory-for-compound-stimuli
#11
Saho Takagi, Kazuo Fujita
Whereas evidence has accumulated that nonhuman animals have access to the strength of their memory trace, it is unclear whether such metamemory contains components, as proposed by Hampton (2005). We assessed whether capuchin monkeys could recognize details of memorized items using a delayed matching-to-sample task. We used compound stimuli separable into 2 dimensions, "what" and "where." Two monkeys were trained to memorize both "what" and "where" a sample was and answer both/either "what" and/or "where" the sample was depending on each task after a delay...
December 28, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/29259810/capturing-effort-and-recovery-reactive-and-recuperative-cortisol-responses-to-competition-in-well-trained-rowers
#12
Victor L Kallen, Janine H Stubbe, Henk Jan Zwolle, Pierre Valk
Background/aim: It is well known that physical strain is associated with increased cortisol production. And although mental stress elevates cortisol concentrations as well, little is known of the independent and/or combined effects of both on the secretion of cortisol. Aim of the study was to investigate the day-to-day cortisol dynamics associated with training, performance and recuperation and the immediate responses to mental stress and physical endurance under competitive conditions...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29239984/profiling-inflammatory-markers-during-the-competitive-season-and-post-season-in-collegiate-wrestlers
#13
Joe Roth, Taylor Szczygiel, Mary Moore, Paul O'Connor, Jeffrey Edwards, Naveen Sharma, Ryan Pettit-Mee, Micah Zuhl
The purpose of this study was to determine if biological markers of muscle damage and inflammation coincide with subjective measures of muscle fatigue and sleep quality among Division I collegiate wrestlers. The goal was to provide practitioners with noninvasive techniques to evaluate a wrestlers inflammatory state. METHODS: Subjects from the Central Michigan University Division I collegiate wrestling team (n=6) were analyzed on six separate occasions throughout the course of the competitive season and post season...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29238242/heart-rate-variability-is-a-moderating-factor-in-the-workload-injury-relationship-of-competitive-crossfit%C3%A2-athletes
#14
Sean Williams, Thomas Booton, Matthew Watson, Daniel Rowland, Marco Altini
Heart rate variability (HRV) is a popular tool for monitoring training adaptation and readiness in athletes, but it also has the potential to indicate early signs of somatic tissue overload prior to the onset of pain or fully developed injury. Therefore, the aim of this study was to investigate the interaction between HRV, workloads, and risk of overuse problems in competitive CrossFit™ athletes. Daily resting HRV and workloads (duration × session-RPE) were recorded in six competitive CrossFit™ athletes across a 16 week period...
December 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29229589/the-effect-of-group-support-psychotherapy-delivered-by-trained-lay-health-workers-for-depression-treatment-among-people-with-hiv-in-uganda-protocol-of-a-pragmatic-cluster-randomized-trial
#15
Etheldreda Nakimuli-Mpungu, Seggane Musisi, Kizito Wamala, James Okello, Sheila Ndyanabangi, Ramin Mojtabai, Jean Nachega, Ofir Harari, Edward Mills
BACKGROUND: There is limited information on the effectiveness of task shifting of mental health services in populations with HIV. OBJECTIVE: This trial aims to evaluate the effectiveness of group support psychotherapy delivered by trained lay health workers to persons living with HIV (PLWH) with depression in primary care. METHODS: Thirty eligible primary care health centers across three districts were randomly allocated to have their lay health workers trained to deliver group support psychotherapy (intervention arm) or group HIV education and treatment as usual (control arm) to PLWH with depression...
December 11, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29219896/an-analysis-of-training-loads-in-elite-under-18-australian-rule-football-players
#16
Emily E Cust, Nathan Elsworthy, Sam Robertson
Differences in training loads (TL) between under 18 (U18) Australian Rules football (AF) State Academy selected and non-selected players were investigated. Players were categorised relating to their highest representative level; State Academy selected (n = 9) and TAC Cup level players (n = 38). Data were obtained from an online training-monitoring tool implemented to collect player training and match information across a 20 - week period during the regular season. Parameters modelled included AF skills, strength, and other sport training sessions...
December 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29209229/proposal-of-a-global-training-load-measure-predicting-match-performance-in-an-elite-team-sport
#17
Brendan H Lazarus, Andrew M Stewart, Kevin M White, Amber E Rowell, Alireza Esmaeili, William G Hopkins, Robert J Aughey
Aim: The use of external and internal load is an important aspect of monitoring systems in team sport. The aim of this study was to validate a novel measure of training load by quantifying the training-performance relationship of elite Australian footballers. Methods: The primary training measure of each of 36 players was weekly load derived from a weighted combination of Global Positioning System (GPS) data and perceived wellness over a 24-week season. Smoothed loads representing an exponentially weighted rolling average were derived with decay time constants of 1...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29199780/effects-of-increased-training-volume-during-a-10-day-training-camp-on-competitive-performance-in-national-level-youth-swimmers
#18
Frank J Nugent, Thomas M Comyns, Giles D Warrington
BACKGROUND: The purpose of this study was to investigate the effects of increased training volume during a 10 day training camp on competitive performance and internal training load (ITL). In addition, coach and swimmer rating of perceived exertion (RPE) for each session was compared. METHODS: Ten national level swimmers (Gender: 4 males and 6 females; age: 15±1 years; height: 170.5±6.4 cm; body mass: 61.4±7.4 kg) participated in the training camp which involved a 36% increase in swimming volume...
December 1, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29187343/an-ehealth-application-of-self-reported-sports-related-injuries-and-illnesses-in-paralympic-sport-pilot-feasibility-and-usability-study
#19
Kristina Fagher, Jenny Jacobsson, Örjan Dahlström, Toomas Timpka, Jan Lexell
BACKGROUND: Sport participation is associated with a risk of sports-related injuries and illnesses, and Paralympic athletes' additional medical issues can be a challenge to health care providers and medical staff. However, few prospective studies have assessed sports-related injuries and illnesses in Paralympic sport (SRIIPS) over time. Advances in mobile phone technology and networking systems offer novel opportunities to develop innovative eHealth applications for collection of athletes' self-reports...
November 29, 2017: JMIR Human Factors
https://www.readbyqxmd.com/read/29182417/seasonal-training-load-and-wellness-monitoring-in-a-professional-soccer-goalkeeper
#20
James J Malone, Arne Jaspers, Werner F Helsen, Brenda Merks, Wouter Gp Frencken, Michel S Brink
The purpose of this investigation was to: (a) quantify the training load practices of a professional soccer GK, and (b) investigate the relationship between the training load observed and the subsequent self-reported wellness response. One male goalkeeper playing for a team in the top league of the Netherlands participated in this case study. Training load data were collected across a full season using a global positioning system (GPS) device and session rating of perceived exertion (session-RPE). Data was assessed in relation to the number of days to a match (MD- and MD+)...
November 28, 2017: International Journal of Sports Physiology and Performance
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