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https://www.readbyqxmd.com/read/28646100/the-athlete-monitoring-cycle-a-practical-guide-to-interpreting-and-applying-training-monitoring-data
#1
EDITORIAL
Tim J Gabbett, George P Nassis, Eric Oetter, Johan Pretorius, Nick Johnston, Daniel Medina, Gil Rodas, Tom Myslinski, Dan Howells, Adam Beard, Allan Ryan
No abstract text is available yet for this article.
June 23, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28640774/the-difference-between-countermovement-and-squat-jump-performances-a-review-of-underlying-mechanisms-with-practical-applications
#2
Bas Van Hooren, Julia Zolotarjova
Van Hooren, B and Zolotarjova, J. The difference between countermovement and squat jump performances: a review of underlying mechanisms with practical applications. J Strength Cond Res 31(7): 2011-2020, 2017-Two movements that are widely used to monitor athletic performance are the countermovement jump (CMJ) and squat jump (SJ). Countermovement jump performance is almost always better than SJ performance, and the difference in performance is thought to reflect an effective utilization of the stretch-shortening cycle...
July 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28640773/salivary-mitochondrial-dna-copy-number-is-associated-with-exercise-ventilatory-efficiency
#3
Yang Chen, Helene Z Hill, Gudrun Lange, Michael J Falvo
Chen, Y, Hill, HZ, Lange, G, and Falvo, MJ. Salivary mitochondrial DNA copy number is associated with exercise ventilatory efficiency. J Strength Cond Res 31(7): 2000-2004, 2017-Mitochondrial DNA copy number (mtDNAcn) is an index of mitochondrial content and is responsive to changes in exercise training volume. Therefore, assessment of mtDNAcn may help to optimize exercise prescription and aid in athlete monitoring. Although previous work has assessed mtDNAcn derived from skeletal muscle and blood using invasive approaches, no study has examined salivary mtDNAcn and its relationship with sport performance...
July 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28639438/body-composition-analysis-to-study-long-term-training-effects-in-elite-male-water-polo-athletes
#4
Giovanni Melchiorri, Valerio Viero, Roberto Sorge, Tamara Triossi, Alessandro Campagna, Stella L Volpe, Dalgisio Lecis, Virginia Tancredi, Angela Andreoli
BACKGROUND: Elite water polo athletes undergo heavy training programs throughout the year, but especially to prepare major competitions, such as the Olympics. Optimal athletic performance is a result of many factors, including proper management of the intensity and volume of training, nutrition and recovery between training sessions. When training is excessive in relation to recovery may occur non functional overreaching (NFO). NFO can degenerate into overtraining syndrome (OTS) resulting in a decrease in athletic performance, with likely changes in body weight and body composition...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28630575/acute-and-post-exercise-physiological-responses-to-high-intensity-interval-training-in-endurance-and-sprint-athletes
#5
Lukas Cipryan, Gerhard Tschakert, Peter Hofmann
The purpose of the presented study was to compare acute and post-exercise differences in cardiorespiratory, metabolic, cardiac autonomic, inflammatory and muscle damage responses to high-intensity interval exercise (HIIT) between endurance and sprint athletes. The study group consisted of sixteen highly-trained males (age 22.1 ± 2.5 years) participating in endurance (n = 8) or sprint (n = 8) sporting events. All the participants underwent three exercise sessions: short HIIT (work interval duration 30s), long HIIT (3min) and constant load exercise (CE)...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28622665/non-invasive-in-situ-measurement-of-blood-lactate-using-microwave-sensors
#6
Alex Mason, Olga Korostynska, Julien Louis, Luis Eduardo Cordova-Lopez, Badr Abdullah, Jacob Greene, Rob Connell, John Hopkins
GOAL: This paper reports the use of a novel electromagnetic sensor technique for real-time non-invasive monitoring of blood lactate in human subjects. METHODS: The technique was demonstrated on 34 participants who undertook a cycling regime, with rest period before and after, to produce a rising and falling lactate response curve. Sensors attached to the arm and legs of participants gathered spectral data, blood samples were measured using a Lactate Pro V2, as well as temperature and heart rate data were collected...
June 14, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28602152/physical-activity-and-cognitive-function-of-long-distance-walkers-studying-four-days-marches-participants
#7
Hans Wouters, Teun Aalbers, Martijn Maessen, André Verbeek, Marcel Olde Rikkert, Roy Kessels, Maria Hopman, Thijs Eijsvogels
OBJECTIVE: Studies show physical activity to be beneficial for cognitive function. However, studies usually included individuals who were not particularly inclined to exercise. Following research among master athletes, we examined associations between physical activity and cognitive function in participants of the International Nijmegen Four Days Marches. These individuals are also inclined to exercise. On 4 consecutive days > 40,000 participants walk a daily distance of 30-50 km (120-200 km or 75-125 miles in total)...
June 10, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28597622/the-effect-of-training-load-on-neuromuscular-performance-muscle-soreness-and-wellness-during-an-in-season-non-competitive-week-in-elite-rugby-athletes
#8
Francisco Tavares, Phil Healey, Tiaki B Smith, Matthew Driller
BACKGROUND: In the elite Rugby setting, it is critical to understand the effects of training load on the levels of fatigue, soreness and readiness of the athletes. METHODS: The training load, wellness, neuromuscular markers of fatigue and various perceptual measures of soreness of 16 elite Rugby athletes were monitored during a training week. Training load was obtained for field training sessions, extra conditioning and gym-based sessions. Perceptual fatigue was obtained every morning from a 5-item wellness questionnaire and a questionnaire on the muscle soreness of 9 different muscle sites from each side of the body...
June 8, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28597621/hemodynamic-adaptation-to-training-in-visually-impaired-professional-tandem-cyclists
#9
Anna M Kamelska, Krzysztof L Mazurek, Jacek J Nowakowski
BACKGROUND: Cycling is one of the disciplines with the greatest training-induced volumetric changes in cardiovascular systems. The aim of the study was to evaluate the hemodynamic adaptation to 7-month routine training in athletes with and without severe visual impairment. METHODS: The study involved 26 men: visually impaired (VI) (n = 13; 37±12.2 years) and properly sighted (PS) (n = 13; 41±12.8 years) elite tandem-cycling athletes. They underwent hemodynamic variables monitoring at rest and during exercise test by impedance cardiography (ICG), before (in the middle of the transition period) and after 7-month cycling training (at the beginning of the competitive period)...
June 8, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28597617/iron-monitoring-of-male-and-female-rugby-sevens-players-over-an-international-season
#10
Anthea C Clarke, Judith M Anson, Christine E Dziedzic, Warren A McDonald, David B Pyne
BACKGROUND: Given the likely influence that high training loads, contact-induced haemolysis and female-specific requirements have on the incidence of iron deficiency, characterising the direction and magnitude of fluctuations in iron status over an international season is important for managing player health and physical performance in rugby sevens. METHODS: Australian national male (n=27) and female (n=23) rugby sevens players undertook blood tests at pre-season, mid-season, and end-season...
June 8, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28574751/athletic-trainers-reasons-for-and-mechanics-of-documenting-patient-care-a-report-from-the-athletic-training-practice-based-research-network
#11
Sara L Nottingham, Kenneth C Lam, Tricia M Kasamatsu, Bradly L Eppelheimer, Cailee E Welch Bacon
CONTEXT:   Documenting patient care is an important responsibility of athletic trainers (ATs). However, little is known about ATs' reasons for documenting patient care and mechanics of completing documentation tasks. OBJECTIVE:   To understand ATs' perceptions about reasons for and the mechanics of patient care documentation. DESIGN:   Qualitative study. SETTING:   Individual telephone interviews with Athletic Training Practice-Based Research Network members...
June 2, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28573322/plasmonic-gold-nanoparticles-for-detection-of-fungi-and-human-cutaneous-fungal-infections
#12
Tobiloba Sojinrin, João Conde, Kangze Liu, James Curtin, Hugh J Byrne, Daxiang Cui, Furong Tian
Fungi, which are common in the environment, can cause a multitude of diseases. Warm, humid conditions allow fungi to grow and infect humans via the respiratory, digestive and reproductive tracts, genital area and other bodily interfaces. Fungi can be detected directly by microscopy, using the potassium hydroxide test, which is the gold standard and most popular method for fungal screening. However, this test requires trained personnel operating specialist equipment, including a fluorescent microscope and culture facilities...
June 2, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28546774/injuries-and-illnesses-in-a-cohort-of-elite-youth-alpine-ski-racers-and-the-influence-of-biological-maturity-and-relative-age-a-two-season-prospective-study
#13
Lisa Müller, Carolin Hildebrandt, Erich Müller, Renate Oberhoffer, Christian Raschner
BACKGROUND: Studies on injuries and illnesses involving youth ski racers younger than 15 years are lacking in the literature. The aim of this study was prospectively to assess the incidence, prevalence, and severity of traumatic and overuse injuries, as well as illnesses of elite youth ski racers with regard to sex, biological maturity status, and relative age. SUBJECTS AND METHODS: A prospective, longitudinal cohort design was used to monitor the anthropometrics, training characteristics, traumatic and overuse injuries, and illnesses of 82 elite youth ski racers (51 males, 31 females, age 9-14 years) over 2 consecutive years...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28543790/are-heart-rate-monitors-valuable-tools-for-diagnosing-arrhythmias-in-endurance-athletes
#14
R Gajda, E K Biernacka, W Drygas
Millions of physically active individuals worldwide use heart rate monitors (HRMs) to control their exercise intensity. In many cases, the HRM indicates an unusually high heart rate (HR) or even arrhythmias during training. Unfortunately, studies assessing the reliability of these devices to help control HR disturbances during exercise do not exist. We examined 142 regularly training endurance runners and cyclists, aged 18-51 years, with unexplained HR abnormalities indicated by various HRMs to assess the utility of HRMs in diagnosing exertion-induced arrhythmias...
May 19, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28513280/application-of-acoustic-radiation-force-impulse-arfi-elastography-in-imaging-of-delayed-onset-muscle-soreness-doms-a-comparative-analysis-with-3t-mri
#15
Thilo Hotfiel, Marion Kellermann, Bernd Swoboda, Dane Wildner, Tobias Golditz, Casper Grim, Martin Raithel, Michael Uder, Rafael Heiss
CONTEXT: DOMS is one of the most common reasons for impaired muscle performance in sports and is associated with reduced muscle strength and frequently observed both in professional and recreational athletes. OBJECTIVE: To emphasize the diagnostic value of Acoustic Radiation Force Impulse (ARFI) in imaging of Delayed Onset Muscle Soreness by comparing findings to high-resolution 3T MRI T2 weighted sequences. DESIGN: Case series. SETTING: Laboratory environment...
May 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28488913/relationship-between-pre-training-subjective-wellness-measures-player-load-and-rating-of-perceived-exertion-training-load-in-american-college-football
#16
Andrew D Govus, Aaron Coutts, Rob Duffield, Andrew Murray, Hugh Fullagar
PURPOSE: The relationship between pre-training subjective wellness, external and internal training load in American College football is unclear. This study examined the relationship between pre-training subjective wellness (sleep quality, muscle soreness, energy, wellness Z score) on 1) player load and 2) session rating of perceived exertion (s-RPE-TL) in American College footballers. METHODS: Subjective wellness (measured using 5-point, Likert scale questionnaires); external load (derived from global position systems [GPS] and accelerometry) and s-RPE-TL were collected during three typical training sessions per week for the second half of an American collegiate football season (eight weeks)...
May 10, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28480859/the-effects-of-non-functional-overreaching-and-overtraining-on-autonomic-nervous-system-function-in-highly-trained-athletes
#17
T Kajaia, L Maskhulia, K Chelidze, V Akhalkatsi, Z Kakhabrishvili
Aim of the study was to compare the ANS functioning, as measured by heart rate variability (HRV), in athletes with non-functional overreaching (NFO) and overtraining syndrome (OTS) and in athletes without NFO/OTS. In 43 athletes with NFO/OTS, 40 athletes without NFO/OTS, as well as in 35 sedentary subjects the ANS function was evaluated with the Autonomic Balance Test, based on the HRV analysis of resting heart rate recordings. Results of the study show lower HRV and lower vagal influence along with increased sympathetic cardiovascular control in athletes with non-functional overreaching and particularly in athletes with overtraining, than in highly trained athletes without NFO/OTS...
March 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28469745/adequacy-of-the-ultra-short-term-hrv-to-assess-adaptive-processes-in-youth-female-basketball-players
#18
Fabio Y Nakamura, Lucas A Pereira, Cesar C Cal Abad, Igor F Cruz, Andrew A Flatt, Michael R Esco, Irineu Loturco
Heart rate variability has been widely used to monitor athletes' cardiac autonomic control changes induced by training and competition, and recently shorter recording times have been sought to improve its practicality. The aim of this study was to test the agreement between the (ultra-short-term) natural log of the root-mean-square difference of successive normal RR intervals (lnRMSSD - measured in only 1 min post-1 min stabilization) and the criterion lnRMSSD (measured in the last 5 min out of 10 min of recording) in young female basketball players...
February 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28468255/using-tri-axial-accelerometry-in-daily-elite-swim-training-practice
#19
Sander Ganzevles, Rik Vullings, Peter Jan Beek, Hein Daanen, Martin Truijens
Background: Coaches in elite swimming carefully design the training programs of their swimmers and are keen on achieving strict adherence to those programs by their athletes. At present, coaches usually monitor the compliance of their swimmers to the training program with a stopwatch. However, this measurement clearly limits the monitoring possibilities and is subject to human error. Therefore, the present study was designed to examine the reliability and practical usefulness of tri-axial accelerometers for monitoring lap time, stroke count and stroke rate in swimming...
April 29, 2017: Sensors
https://www.readbyqxmd.com/read/28463642/monitoring-athlete-training-loads-consensus-statement
#20
Pitre C Bourdon, Marco Cardinale, Andrew Murray, Paul Gastin, Michael Kellmann, Matthew C Varley, Tim J Gabbett, Aaron J Coutts, Darren J Burgess, Warren Gregson, N Timothy Cable
Monitoring the load placed on athletes in both training and competition has become a very hot topic in sport science. Both scientists and coaches routinely monitor training loads using multidisciplinary approaches, and the pursuit of the best methodologies to capture and interpret data has produced an exponential increase in empirical and applied research. Indeed, the field has developed with such speed in recent years that it has given rise to industries aimed at developing new and novel paradigms to allow us to precisely quantify the internal and external loads placed on athletes and to help protect them from injury and ill health...
April 2017: International Journal of Sports Physiology and Performance
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