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Athlete Monitoring

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https://www.readbyqxmd.com/read/28737585/biomarkers-in-sports-and-exercise-tracking-health-performance-and-recovery-in-athletes
#1
Elaine C Lee, Maren S Fragala, Stavros A Kavouras, Robin M Queen, J Luke Pryor, Douglas J Casa
Biomarker discovery and validation is a critical aim of the medical and scientific community. Research into exercise and diet-related biomarkers aims to improve health, performance, and recovery in military personnel, athletes, and lay-persons. Exercise physiology research has identified individual biomarkers for assessing health, performance, and recovery during exercise training. However, there are few recommendations for biomarker panels for tracking changes in individuals participating in physical activity and exercise training programs...
July 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28722468/evaluating-the-recovery-curve-for-clinically-assessed-reaction-time-after-concussion
#2
Gianluca Del Rossi
CONTEXT:   A change in reaction time is one of various clinical measures of neurocognitive function that can be monitored after concussion and has been reported to be among the most sensitive indicators of cognitive impairment. OBJECTIVE:   To determine the timeline for clinically assessed simple reaction time to return to baseline after a concussion in high school athletes. DESIGN:   Observational study. SETTING:   Athletic training room...
July 19, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28713463/cardiopulmonary-performance-during-maximal-exercise-in-soccer-players-with-alterations-in-renal-function
#3
Anderson Pontes Morales, Felipe Sampaio-Jorge, Luiz Felipe da Cruz Rangel, Jackson de Souza Menezes, Tiago Costa Leite, Beatriz Gonçalves Ribeiro
The aim of this study was to evaluate the curves of cardiorespiratory variables during cardiopulmonary exercise testing (CPET) in soccer players who had acute alterations in the glomerular filtration rate (GFR) after performing the pre-season training protocol. Sixteen male professional soccer players (25 ± 3 years; 179 ± 2 cm; and 77 ± 6 kg) were evaluated for oxygen uptake (VO2), heart rate (HR) and pulse relative oxygen (relative O2 Pulse) curves with intervals corresponding to 10% of the total duration of CPET...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28713457/personal-and-social-responsibility-among-athletes-the-role-of-self-determination-achievement-goals-and-engagement
#4
Paulo Martins, António Rosado, Vítor Ferreira, Rui Biscaia
The purpose of this study was to assess the relationship between motivation, engagement and personal and social responsibility among athletes. Based on the literature, a survey was conducted including measures of motivation, considering task orientation and ego orientation, intrinsic and extrinsic motivation, and amotivation. We also measured the components of engagement (dedication, confidence, vigor and enthusiasm) and the components of personal and social responsibility. A total of 517 athletes from different types of sports participated in the study...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28709155/variable-accuracy-of-wearable-heart-rate-monitors-during-aerobic-exercise
#5
Stephen Gillinov, Muhammad Etiwy, Robert Wang, Gordon Blackburn, Dermot Phelan, A Marc Gillinov, Penny Houghtaling, Hoda Javadikasgari, Milind Y Desai
PURPOSE: Athletes and members of the public increasingly rely on wearable HR monitors to guide physical activity and training. The accuracy of newer, optically based monitors is unconfirmed. We sought to assess the accuracy of five optically based HR monitors during various types of aerobic exercise. METHODS: Fifty healthy adult volunteers (mean ± SD age = 38 ± 12 yr, 54% female) completed exercise protocols on a treadmill, a stationary bicycle, and an elliptical trainer (±arm movement)...
August 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28704885/submaximal-markers-of-fatigue-and-overreaching-implications-for-monitoring-athletes
#6
André Siegl, Elisa M Kösel, Nicholas Tam, Susanne Koschnick, Nelleke G Langerak, Sabrina Skorski, Tim Meyer, Robert P Lamberts
The regular monitoring of athletes is important to fine-tune training and detect early symptoms of overreaching. Therefore the aim of this study was to determine if a noninvasive submaximal running test could reflect a state of overreaching. 14 trained runners completed a noninvasive Lamberts Submaximal Running Test, one week before and 2 days after finishing an ultramarathon, and delayed onset of muscle soreness and the daily analysis of life demands for athletes questionnaire were also captured. After the ultramarathon, submaximal heart rate was lower at 70% (-3 beats) and 85% of peak treadmill running speed (P<0...
July 13, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28700511/quantifying-changes-in-squat-jump-height-across-a-season-of-men-s-collegiate-soccer
#7
Matt L Sams, Kimitake Sato, Brad H DeWeese, Adam L Sayers, Michael H Stone
The purposes of this study were to examine the effectiveness of an athlete monitoring program in managing athlete neuromuscular fatigue across a men's collegiate soccer season as measured by changes in squat jump (SJ) height and to compare possible changes with session rating of perceived exertion (sRPE) training load (TL). Eighteen outfield Division I men's college soccer players performed SJ testing prior to each game of the fall season in addition to a baseline measurement at the start of pre-season. The athletes provided sRPE values after all training sessions, weight training, and games...
July 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28700478/impact-of-nonsteroidal-aromatase-inhibitors-on-steroid-profile-in-a-chinese-population
#8
Yanyi Xing, Xin Liu, Mengmeng Yan, Tianqi Chen, Fei Lu, Bing Xu, Yan Gong, Fuhao Chu, Haimin Lei
Steroid profiling was introduced to determine the endogenous steroid misuse in sports. Thus, screening for the exogenous use of these prohibited substances can be established by monitoring a range of endogenous steroids, which constitute the steroid profile and evaluate their concentrations and ratios against reference values. The steroid profiling is currently based on population statistics. As large interindividual variations exist, athlete biological passport (ABP) analysis is ongoing. This study aimed to identify new biomarker(s) for aromatase inhibitor detection in sports using statistical analysis and adapt the model into ABP analysis...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28692399/risk-assessment-during-the-pan-american-and-parapan-american-games-toronto-2015
#9
Adam van Dijk, Emily Dawson, Kieran Michael Moore, Paul Belanger
During the summer of 2015, the Pan American and Parapan American Games took place in the Greater Toronto area of Ontario, Canada, bringing together thousands of athletes and spectators from around the world. The Acute Care Enhanced Surveillance (ACES) system-a syndromic surveillance system that captures comprehensive hospital visit triage information from acute care hospitals across Ontario-monitored distinct syndromes throughout the games. We describe the creation and use of a risk assessment tool to evaluate alerts produced by ACES during this period...
July 2017: Public Health Reports
https://www.readbyqxmd.com/read/28691581/a-shower-before-bedtime-may-improve-the-sleep-onset-latency-of-youth-soccer-players
#10
Craig Whitworth-Turner, Rocco Di Michele, Ian Muir, Warren Gregson, Barry Drust
During the competitive season, soccer players are likely exposed to numerous factors that may disrupt the process of sleep. The current investigation looked to evaluate a practical sleep hygiene strategy (10-min showering at ∼40°C before lights out), within a group of 11 youth soccer players in comparison to normal sleeping conditions (control). Each condition consisted of three days within a randomised crossover trial design. Sleep information was collected using a commercial wireless bedside sleep monitor...
July 9, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28685886/longitudinal-adaptations-of-bone-mass-geometry-and-metabolism-in-adolescent-male-athletes-the-pro-bone-study
#11
Dimitris Vlachopoulos, Alan R Barker, Esther Ubago-Guisado, Ioannis G Fatouros, Karen M Knapp, Craig A Williams, Luis Gracia-Marco
Adolescence is a crucial period for bone development and exercise can enhance bone acquisition during this period of life. However, it is not known how the different loading sports practised can affect bone acquisition in adolescent male athletes. Therefore, the purpose of the present study was to determine the 1 year longitudinal bone acquisition among adolescent males involved in osteogenic (football) and non-osteogenic sports (swimming and cycling) and compared to active controls. 116 adolescent males aged 12-14 years at baseline were monitored 1 year: 37 swimmers, 37 footballers, 29 cyclists and 14 active controls...
July 7, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28685557/the-use-of-chlorhexidine-in-mouthguards
#12
S D Ercole, M Tieri, D Fulco, D Martinelli, D Tripodi
Sports mouthguards have the potential to become a microbial reservoir, to produce oral and systemic diseases and cause changes in environmental oral factors, inhibiting the protective effect of saliva. The aim of this study was to monitor, in vivo, oral environmental changes caused by chlorhexidine and sports mouthguards and in vitro, the effects of microbial strains, saliva and chlorhexidine on Ethylene-Vinyl-Acetate (EVA) material. Seventy-two athletes were analyzed at different time points: before training session (T0), post-training (TA), post-training with mouthguard (TB), post-training with mouthguard and chlorhexidine (TC)...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28674597/sleep-hygiene-education-improves-sleep-indices-in-elite-female-athletes
#13
Shannon O'Donnell, Matthew W Driller
The importance of sleep in providing psychophysiological recovery in elite athletes is often overlooked. In other populations (eg shift workers and adolescent students), sleep hygiene education may serve to acutely improve sleep indices. However, this is yet to be examined in an elite athlete setting. Therefore, the aim of the current study was to evaluate the effect of a sleep hygiene education session on sleep indices in elite athletes. The study involved 26 elite female netball athletes performing one week of baseline sleep monitoring (PRE), followed by a sleep hygiene education session and a further week of sleep monitoring (POST) in a single group, pre- post design...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28670284/tensiomyographic-markers-are-not-sensitive-for-monitoring-muscle-fatigue-in-elite-youth-athletes-a-pilot-study
#14
Thimo Wiewelhove, Christian Raeder, Rauno Alvaro de Paula Simola, Christoph Schneider, Alexander Döweling, Alexander Ferrauti
Objective: Tensiomyography (TMG) is an indirect measure of a muscle's contractile properties and has the potential as a technique for detecting exercise-induced skeletal muscle fatigue. Therefore, the aim of this study was to assess the sensitivity of tensiomyographic markers to identify reduced muscular performance in elite youth athletes. Methods: Fourteen male junior tennis players (age: 14.9 ± 1.2 years) with an international (International Tennis Federation) ranking position participated in this pre-post single group trial...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28661826/ultrasound-diagnosis-of-calf-injuries
#15
Jacob Michael Bright, Karl B Fields, Ryan Draper
CONTEXT: The medial head of the gastrocnemius is the third most commonly strained muscle in elite athletes after the biceps femoris and rectus femoris. The differential diagnosis of posterior calf injury includes musculoskeletal and nonmusculoskeletal causes. Classically, delineation of these injuries from one another relied primarily on historical features and physical examination findings. The utilization of musculoskeletal ultrasound (sonography) has augmented the diagnosis of these injuries by providing dynamic, real-time confirmation...
July 2017: Sports Health
https://www.readbyqxmd.com/read/28658079/validity-and-usability-of-a-new-system-for-measuring-and-monitoring-variations-in-vertical-jump-performance
#16
Irineu Loturco, Lucas A Pereira, Ronaldo Kobal, Katia Kitamura, César C Cal Abad, Guilherme Marques, Aristide Guerriero, José E Moraes, Fábio Y Nakamura
Vertical jump height (VJ) is one of the most sensitive measures to quantify training-related fatigue and athletic performance in elite athletes. Currently, however, there is no equipment designed to graphically deliver the daily performance changes in VJ compared with the smallest worthwhile change (SWC), which is considered essential in "progressive statistics" to judge meaningful performance fluctuations. The aims of the study were to analyze the criterion validity of a new contact mat (i.e., Elite Jump®), alongside testing its usability to detect meaningful changes in VJ of elite team sport athletes...
June 22, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28658076/recovery-time-profiling-after-short-middle-and-long-distance-swimming-performance
#17
Alessandro Piras, Matteo Cortesi, Francesco Campa, Monica Perazzolo, Giorgio Gatta
We investigated cardiac autonomic responses and hemodynamic parameters on recovery time following short-, middle- and long-swimming performance. Ten male regional-level swimmers were tested to estimate time and frequency domains of arterial baroreflex sensitivity and heart rate variability after 100-, 200-, and 400-m of front crawl. We found a BRS reduction for 90 min after a maximal 100- and 200-m front crawl event, meanwhile the reflex was restored back to the baseline value about 70 min after 400-m. The vagally mediated HF power of R-R intervals was significantly reduced for 30 min after 400-m, and more than 90 min after 100- and 200-m, with a concomitant increase of sympathetic modulation...
June 22, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28656783/oxidative-stress-and-antioxidant-biomarker-responses-after-a-moderate-intensity-soccer-training-session
#18
Rodrigo Mello, Ricardo Mello, Diego Gomes, Gabriel Andrade Paz, Igor Nasser, Humberto Miranda, Verônica P Salerno
The present study investigated the effects of a moderate-intensity soccer training session on the production of reactive oxygen species (ROS) and the antioxidant capacity in athletes along with the biomarkers creatine kinase and transaminases for lesions in muscle and liver cells. Twenty-two male soccer players participated in this study. Blood samples were collected 5 min before and after a moderate-intensity game simulation. The results showed a decrease in the concentration of reduced glutathione (GSH) from an elevation in the production of ROS that maintained the redox homeostasis...
June 28, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28654051/experimental-protocol-of-a-three-minute-all-out-arm-crank-exercise-test-in-spinal-cord-injured-and-able-bodied-individuals
#19
Joelle L Flueck
Reliable exercise protocols are required to test changes in exercise performance in elite athletes. Performance improvements in these athletes may be small; therefore, sensitive tools are fundamental to exercise physiology. There are currently many exercise tests that allow for the examination of exercise capacity in able-bodied athletes, with protocols mainly for lower-body or whole-body exercise. There is a trend to test athletes in a sport-specific setting that closely resembles the actions that the participants are used to performing...
June 8, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28653866/the-role-of-athletic-trainers-in-preventing-and-managing-posttraumatic-osteoarthritis-in-physically-active-populations-a-consensus-statement-of-the-athletic-trainers-osteoarthritis-consortium
#20
Riann M Palmieri-Smith, Kenneth L Cameron, Lindsey J DiStefano, Jeffrey B Driban, Brian Pietrosimone, Abbey C Thomas, Timothy W Tourville, Athletic Trainers' Osteoarthritis Consortium
OBJECTIVE:   To provide athletic trainers with a fundamental understanding of the pathogenesis and risk factors associated with the development of posttraumatic osteoarthritis (PTOA) as well as the best current recommendations for preventing and managing this condition. BACKGROUND:   Posttraumatic osteoarthritis, or osteoarthritis that develops secondary to joint injury, accounts for approximately 5.5 million US cases annually. A young athlete with a joint injury is at high risk for PTOA before the age of 40, which could lead to the patient living more than half of his or her life with a painful and disabling disorder...
June 2, 2017: Journal of Athletic Training
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