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Athlete Monitoring

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https://www.readbyqxmd.com/read/29786626/observation-of-women-soccer-players-physiology-during-a-single-season
#1
Kathleen M Paulsen, Cory L Butts, Brendon P McDermott
Paulsen, KM, Butts, CL, and McDermott, BP. Observation of women soccer players' physiology during a single season. J Strength Cond Res 32(6): 1702-1707, 2018-The purpose of this study was to observe heart rate (HR) responses in match settings over the course of a conference season in National Collegiate Athletic Association Division I women's soccer. Twenty-one female collegiate soccer players were provided a HR monitor and instructed to wear it for the duration of match play. Player positions included 6 defenders (DEF), 6 midfielders (MID), and 9 forwards (FWD)...
June 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29783763/integrated-framework-of-load-monitoring-by-a-combination-of-smartphone-applications-wearables-and-point-of-care-testing-provides-feedback-that-allows-individual-responsive-adjustments-to-activities-of-daily-living
#2
Peter Düking, Silvia Achtzehn, Hans-Christer Holmberg, Billy Sperlich
Athletes schedule their training and recovery in periods, often utilizing a pre-defined strategy. To avoid underperformance and/or compromised health, the external load during training should take into account the individual's physiological and perceptual responses. No single variable provides an adequate basis for planning, but continuous monitoring of a combination of several indicators of internal and external load during training, recovery and off-training as well may allow individual responsive adjustments of a training program in an effective manner...
May 19, 2018: Sensors
https://www.readbyqxmd.com/read/29782639/sudden-cardiac-death-in-athletes-and-the-value-of-cardiovascular-magnetic-resonance
#3
REVIEW
Sophie I Mavrogeni, Flora Bacopoulou, Despoina Apostolaki, George P Chrousos
Sudden cardiac death (SCD) is the non-traumatic death, due to loss of heart function that occurs suddenly and unexpectedly within 6 hours of a previously normal state of health. It is related to intense competitive sports promoting ventricular tachycardia (VT)/ventricular fibrillation (VF) in the presence of underlying abnormal substrate. A serial evaluation of cardiac physiologic changes taking place during training will allow the better understanding of athlete's heart and will facilitate its discrimination from other gray-zone cardiomyopathies...
May 21, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29771138/rate-of-upper-extremity-injury-in-high-school-baseball-pitchers-who-played-catcher-as-a-secondary-position
#4
Elizabeth E Hibberd, Sakiko Oyama, Joseph B Myers
CONTEXT:   Many high school pitchers play another position after they have finished pitching for the day or on their rest days from pitching. Because of the cumulative demands on the arm, pitchers who also play catcher may have a greater risk of developing a throwing-related shoulder or elbow injury. OBJECTIVE:   To compare the rate of throwing-related upper extremity injuries between high school baseball pitchers who also played catcher as a secondary position and those who did not play catcher...
May 17, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29760574/seasonal-variations-in-body-composition-maximal-oxygen-uptake-and-gas-exchange-threshold-in-cross-country-skiers
#5
Metin Polat, Selcen Korkmaz Eryılmaz, Sami Aydoğan
Introduction: In order to ensure that athletes achieve their highest performance levels during competitive seasons, monitoring their long-term performance data is crucial for understanding the impact of ongoing training programs and evaluating training strategies. The present study was thus designed to investigate the variations in body composition, maximal oxygen uptake (VO2max ), and gas exchange threshold values of cross-country skiers across training phases throughout a season. Materials and methods: In total, 15 athletes who participate in international cross-country ski competitions voluntarily took part in this study...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29747907/does-field-hockey-increase-morphofunctional-asymmetry-a-pilot-study
#6
M Krzykała, P Leszczyński, M Grześkowiak, T Podgórski, M Woźniewicz-Dobrzyńska, A Konarska, R Strzelczyk, J Lewandowski, J M Konarski
Common practice in field hockey requires athletes to adopt a semi-crouched posture, so players have a greater risk of musculoskeletal disorders than non-athletes. The aim of the present study was to assess how field hockey determines asymmetry in morphological and functional characteristics of the body by comparing athletes to control participants. The sample consisted of 15 male field hockey players from the Polish Youth National Team and 14 male university students. Antimeric differences in the chosen variables between body sub-regions were assessed...
March 27, 2018: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/29745773/muscle-oxygenation-rather-than-vo-2-max-is-a-strong-predictor-of-performance-in-sprint-canoe-kayak
#7
Myriam Paquette, François Bieuzen, François Billaut
PURPOSE: This study aimed to characterize the relationships between muscle oxygenation and performance during on- and off-water tests in highly trained sprint canoe-kayak athletes. METHODS: Thirty athletes (19 kayakers and 11 canoeists) performed a maximal incremental test on a canoe or kayak ergometer for determination of VO2max and examination of the relation between peak power output (PPO) and physiological parameters. A subset of 21 athletes also performed a 200-m and a 500-m (for women) or 1000-m (for men) on-water time trials...
May 10, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29745735/time-trial-performance-in-elite-speed-skaters-after-remote-ischemic-preconditioning
#8
Philippe Richard, François Billaut
PURPOSE: Speed skating leads to blood-flow restriction and deoxygenation in the lower limbs (especially the right leg) that may affect performance. Although the acute influence of such deoxygenation is not clearly understood, we tested whether remote ischemic preconditioning (RIPC) could modify muscular oxygenation and improve time-trial performance in that sport. METHODS: Using a randomized, single-blind, placebo-controlled, crossover design, 9 elite speed skaters performed 1000-m on-ice time-trials preceded by either RIPC of the upper limbs (3x5-min compression/5-min reperfusion cycles at 30 mmHg > arterial systolic pressure) or SHAM (10 mmHg)...
May 10, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29742748/planning-training-workload-in-football-using-small-sided-games-density
#9
Sebastien Sangnier, Thierry Cotte, Olivier Brachet, Jeremy Coquart, Claire Tourny
Sangnier, S, Cotte, T, Brachet, O, Coquart, J, and Tourny, C. Planning training workload in football using small-sided games density. J Strength Cond Res XX(X): 000-000, 2018-To develop the physical qualities, the small-sided games' (SSGs) density may be essential in soccer. Small-sided games are games in which the pitch size, players' number, and rules are different to those for traditional soccer matches. The purpose was to assess the relation between training workload and SSGs' density. The 33 densities data (41 practice games and 3 full games) were analyzed through global positioning system (GPS) data collected from 25 professional soccer players (80...
May 8, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29740559/comparison-of-special-judo-fitness-test-and-dynamic-and-isometric-judo-chin-up-tests-performance-and-classificatory-tables-development-for-cadet-and-junior-athletes
#10
Marcus Fábio Agostinho, José Alfredo Olivio Junior, Nemanja Stankovic, Raquel Escobar-Molina, Emerson Franchini
The aims of this work were to compare the performances of male and female cadet and junior judo athletes and to develop classificatory tables to these judo-specific tests for international-level from these ages. Data collected during training camps of male and female cadet and junior judo teams from three nations (Brazil, Serbia, and Spain) were analyzed, totalizing 252 individual results of special judo fitness test (SJFT), and 222 and 208 of dynamic and isometric judogi chin-up tests, respectively. Juniors performed better than cadets in the SJFT, with higher number of throws in A, B, C, and total ( P <0...
April 2018: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29738680/autologous-osteochondral-mosaicplasty-for-centrally-and-laterally-located-advanced-capitellar-osteochondritis-dissecans-in-teenage-athletes-clinical-outcomes-radiography-and-magnetic-resonance-imaging-findings
#11
Tadanao Funakoshi, Daisuke Momma, Yuki Matsui, Tamotsu Kamishima, Yuichiro Matsui, Daisuke Kawamura, Yusuke Nagano, Norimasa Iwasaki
BACKGROUND: Autologous osteochondral mosaicplasty (ie, mosaicplasty) results in satisfactory clinical outcomes and reliable return to play for patients with large or unstable lesions due to osteochondritis dissecans (OCD) of the humeral capitellum. However, the association between the healing of the reconstructed cartilage and clinical outcomes remains unclear. PURPOSE: To evaluate the efficacy of mosaicplasty in teenage athletes through use of clinical scores and imaging...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29733264/head-impacts-and-cognitive-performance-in-men-s-lacrosse
#12
Erin Renee Marchesseault, Daniel Nguyen, Lee Spahr, Caroline Beals, Brian Razak, John M Rosene
OBJECTIVES: The purpose of this investigation was to record head impacts and assess cognitive function throughout a NCAA Division III men's lacrosse season. METHODS: Fifteen NCAA Div III men's lacrosse players (age = 21.1 ± 1.5 years; height = 179 ± 7.00cm; weight = 80.74 ± 8.00kg) wore Smart Impact Monitors (SIM) (Triax Technologies, Inc., Norwalk, CT) within headbands, in 28 practices and 9 home games of one season. The SIM devices communicated with the Triax Technologies SKYi, which confirmed activated SIMs and obtained data of linear acceleration, rotational acceleration, rotational velocity, direction, and location of each head impact...
May 7, 2018: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29732944/pre-injury-migraine-history-as-a-risk-factor-for-prolonged-return-to-school-and-sports-following-concussion
#13
Douglas P Terry, Nathan Huebschmann, Bruce Maxwell, Nathan Cook, Rebekah Mannix, Ross D Zafonte, Tad Seifert, Paul D Berkner, Grant L Iverson
Having a pre-existing migraine disorder might be a risk factor for a prolonged recovery following a sport-related concussion. We examined whether having a migraine history was associated with a prolonged return to academics and athletics following a concussion. High school and collegiate athletes (N=1,265; 42% female) who sustained a sport-related concussion were monitored by athletic trainers using a web-based surveillance system that collects information about concussion recovery. Nonparametric Kolmogorov-Smirnov tests (KS) were used to compare days to return to academics/athletics across groups due to non-normally distributed outcome variables and unequal distributions of scores between groups...
May 5, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29726698/on-the-use-of-wearable-physiological-monitors-to-assess-heat-strain-during-occupational-heat-stress
#14
Sean R Notley, Andreas D Flouris, Glen P Kenny
Workers in many industries are required to perform arduous work in high heat stress conditions, which can lead to rapid increases in body temperature that elevate the risk of heat-related illness or even death. Traditionally, effort to mitigate work-related heat injury has been directed to the assessment of environmental heat stress (e.g., wet-bulb globe temperature), rather than the associated physiological strain responses (e.g., heart rate, skin and core temperatures). However, since a workers physiological response to a given heat stress is modified independently by inter-individual factors (e...
May 4, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29707541/personalized-hydration-strategy-attenuates-the-rise-in-heart-rate-and-in-skin-temperature-without-altering-cycling-capacity-in-the-heat
#15
Denise de Melo-Marins, Ana Angélica Souza-Silva, Gabriel Lucas Leite da Silva-Santos, Francisco de Assis Freire-Júnior, Jason Kai Wei Lee, Orlando Laitano
The optimal hydration plan [i.e., drink to thirst, ad libitum (ADL), or personalized plan] to be adopted during exercise in recreational athletes has recently been a matter of debate and, due to conflicting results, consensus does not exist. In the present investigation, we tested whether a personalized hydration strategy based on sweat rate would affect cardiovascular and thermoregulatory responses and exercise capacity in the heat. Eleven recreational male cyclists underwent two familiarization cycling sessions in the heat (34°C, 40% RH) where sweat rate was also determined...
2018: Frontiers in Nutrition
https://www.readbyqxmd.com/read/29704771/new-approach-based-on-immunochemical-techniques-for-monitoring-of-selective-estrogen-receptor-modulators-serms-in-human-urine
#16
J-Pablo Salvador, Ester Vila-Roca, Núria Monfort, Rosa Ventura, M-Pilar Marco
Antiestrogenic compounds such as tamoxifen, toremifen and chlomifen are used illegally by athletes to minimize physical impacts such as gynecomastia resulting from the secondary effects of anabolic androgenic steroids, used to increase athletic efficiency unlawfully. The use of these compounds is banned by the World Anti-Doping Agency (WADA) and controls are made through analytical methodologies such as HPLC-MS/MS, which do not fulfil the sample throughput requirements. Moreover, compounds such as tamoxifen are also used to treat hormone receptor-positive breast cancer (ER + )...
April 22, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29701123/cardiodynamicsgram-a-novel-tool-for-monitoring-cardiac-function-in-exercise-training
#17
Xu Wen, Bokai Guo, Yinglan Gong, Ling Xia, Jie Yu
This study evaluated the feasibility of cardiodynamicsgram (CDG) for monitoring the cardiac functions of athletes and exercisers. CDG could provide an effective, simple, and economical tool for exercise training. Seventeen middle-distance race athletes aged 14-28 years old were recruited. CDG tests and blood test including creatine kinase (CK), CK-MB isoenzyme, and high-sensitivity troponin I (hsTnI) were performed before a high-intensity prolonged training, as well as 2 and 14 h after training, respectively...
April 27, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29699823/accelerometer-based-prediction-of-running-injury-in-national-collegiate-athletic-association-track-athletes
#18
Dovin Kiernan, David A Hawkins, Martin A C Manoukian, Madeline McKallip, Laura Oelsner, Charles F Caskey, Crystal L Coolbaugh
Running-related injuries (RRI) may result from accumulated microtrauma caused by combinations of high load magnitudes (vertical ground reaction forces; vGRFs) and numbers (strides). Yet relationships between vGRF and RRI remain unclear - potentially because previous research has largely been constrained to collecting vGRFs in laboratory settings and ignoring relationships between RRI and stride number. In this preliminary proof-of-concept study, we addressed these constraints: Over a 60-day period, each time collegiate athletes (n = 9) ran they wore a hip-mounted activity monitor that collected accelerations throughout the entire run...
April 12, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29687691/side-effects-of-anabolic-steroids-used-by-athletes-at-unaizah-gyms-saudi-arabia-a-pilot-study
#19
Amer A Almaiman, Sulaiman H Almaiman, Elsayed I Elagamy, Osama Al Wutayd, Mohammed Almarzuqi, Rayyan Alzunaidi, Sami Alhatlani, Eltayeb E Eid
BACKGROUND: A large number of Saudi athletes are recently shown to use androgenic anabolic steroid (AAS) products to achieve rapid muscle growth without realizing the serious health risks of these drugs. Aim of this study was to elucidate the side effects encountered with prolonged use of AAS products by Saudi athletes. METHODS: A cross-sectional study was conducted, in which 16 regular gym members, 12 of them used AAS, were asked to answer a questionnaire and provide blood samples following current AAS course completion...
April 20, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29686813/resting-sympatho-vagal-balance-is-related-to-10-km-running-performance-in-master-endurance-athletes
#20
Angelo Cataldo, Antonino Bianco, Antonio Paoli, Dario Cerasola, Saverio Alagna, Giuseppe Messina, Daniele Zangla, Marcello Traina
Relationships between heart rate recovery after exercise (HRR, baseline heart rate variability measures (HRV), and time to perform a 10Km running trial (t10Km) were evaluated in "master" athletes of endurance to assess whether the measured indexes may be useful for monitoring the training status of the athletes. Ten "master" athletes of endurance, aged 40-60 years, were recruited. After baseline measures of HRV, the athletes performed a graded maximal test on treadmill and HRR was measured at 1 and 2 minutes from recovery...
January 12, 2018: European Journal of Translational Myology
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