keyword
https://read.qxmd.com/read/38185945/characterising-coordination-strategies-during-initial-acceleration-in-sprinters-ranging-from-highly-trained-to-world-class
#21
JOURNAL ARTICLE
Byron Donaldson, Neil Bezodis, Helen Bayne
Identifying coordination strategies used by sprinters and features that differentiate these strategies will aid in understanding different technical approaches to initial sprint acceleration. Moreover, multiple effective coordination strategies may be available to athletes of similar ability, which typical group-based analyses may mask. This study aimed to identify sub-groups of sprinters based on thigh-thigh and shank-foot coordination during initial acceleration, and assess sprint performance across different combinations of coordination strategies...
January 7, 2024: Journal of Sports Sciences
https://read.qxmd.com/read/38098807/energy-transfer-in-reactive-movements-as-a-function-of-individual-stretch-load
#22
JOURNAL ARTICLE
Janice Waldvogel, Kathrin Freyler, Ramona Ritzmann, Albert Gollhofer
Background: By directly recording electromyographic activity profiles and muscle-tendon interaction, this study aimed to elucidate the mechanisms why well-trained track and field athletes (experts) are able to outperform untrained individuals without former systematic experience in reactive jump training (novices). In particular, reactive power output and the elastic recoil properties of the muscle-tendon unit (MTU) were of special interest. For this purpose, stiffness regulation on muscle and joint level, energy management in terms of storing or dissipating elastic energy were compared between experts and novices during various stretch loads...
2023: Frontiers in Physiology
https://read.qxmd.com/read/38089679/risk-factors-for-injury-complaints-leading-to-restricted-participation-in-athletics-track-and-field-a-secondary-analysis-of-data-from-320-athletes-over-one-season
#23
JOURNAL ARTICLE
Pascal Edouard, Jeanne Tondut, Karsten Hollander, Pierre-Eddy Dandrieux, Laurent Navarro, Antoine Bruneau, Astrid Junge, David Blanco
OBJECTIVE: To investigate if several potential risk factors were associated with time to injury complaints leading to participation restriction in Athletics (ICPR). METHODS: We performed a secondary analysis of data collected during 39 weeks of the 2017-2018 Athletics season in a cluster-randomised controlled trial ('PREVATHLE'). Univariate and multivariable analyses using Cox regression models were performed to analyse the association between the time to first ICPR and potential risk factors collected (1) at baseline: sex, age, height, body mass, discipline, the usual duration of Athletics training and non-specific sports training, ICPR in the preceding season (yes/no), ICPR at baseline (yes/no); (2) weekly during the season: duration and intensity of Athletics training and competition, and non-specific sports training, fitness subjective state, sleep duration and illness (yes/no); and (3) combined...
2023: BMJ Open Sport & Exercise Medicine
https://read.qxmd.com/read/38063307/noteworthy-performance-of-muscle-injured-para-athletes-a-study-of-mri-detected-muscle-injuries-at-the-tokyo-2020-summer-paralympic-games
#24
JOURNAL ARTICLE
Hiroki Katagiri, Bruce B Forster, Hideyuki Koga, Jae-Sung An, Takuya Adachi, Wayne Derman
BACKGROUND: To the best of our knowledge, no studies have attempted to correlate athletic performance with muscle injuries sustained during Paralympic Games. AIM: This study reports the incidence, anatomical location, anatomical site classification, and relationship between competition results and anatomical site classification in athletes who participated in the Paralympic Games. METHODS: All MRI images collected at the IPC polyclinic at the Tokyo 2020 Paralympic Games were reviewed to identify the presence and anatomical site of muscle injuries...
November 22, 2023: American Journal of Physical Medicine & Rehabilitation
https://read.qxmd.com/read/38053953/speed-training-practices-of-brazilian-olympic-sprint-and-jump-coaches-toward-a-deeper-understanding-of-their-choices-and-insights-part-ii
#25
JOURNAL ARTICLE
Irineu Loturco, Tomás T Freitas, Santiago Zabaloy, Lucas A Pereira, Túlio B M A Moura, Victor Fernandes, Valter P Mercer, Pedro E Alcaraz, Adam Zając, Chris Bishop
This is the second article in a three-article collection regarding the plyometric, speed, and resistance training practices of Brazilian Olympic sprint and jump coaches. Here, we list and describe six out of the ten speed training methods most commonly employed by these experts to enhance the sprinting capabilities of their athletes. Maximum speed sprinting, form running, resisted sprinting, overspeed running, uphill and downhill running, and sport-specific movement methods are critically examined with reference to their potential application in different sport contexts...
October 2023: Journal of Human Kinetics
https://read.qxmd.com/read/38034865/the-potential-impact-of-advanced-footwear-technology-on-the-recent-evolution-of-elite-sprint-performances
#26
JOURNAL ARTICLE
Joel Mason, Dominik Niedziela, Jean-Benoit Morin, Andreas Groll, Astrid Zech
BACKGROUND: Elite track and field sprint performances have reached a point of stability as we near the limits of human physiology, and further significant improvements may require technological intervention. Following the widely reported performance benefits of new advanced footwear technology (AFT) in road-running events, similar innovations have since been applied to sprint spikes in hope of providing similar performance enhancing benefits. However, it is not yet clear based on current evidence whether there have been subsequent improvements in sprint performance...
2023: PeerJ
https://read.qxmd.com/read/37985360/impact-of-a-4-week-intensive-track-and-field-training-intervention-on-glycaemia-in-adolescents-with-type-1-diabetes-the-childfit1-study
#27
RANDOMIZED CONTROLLED TRIAL
Rebecca T Zimmer, Philipp Birnbaumer, Christoph Sternad, Beate E M Zunner, Janis Schierbauer, Maria Fritsch, Elke Fröhlich-Reiterer, Peter Hofmann, Harald Sourij, Felix Aberer, Othmar Moser
AIM: To investigate the safety and efficacy of track and field training compared with intensification of insulin treatment only in adolescents with type 1 diabetes (T1D). MATERIALS AND METHODS: Eighteen adolescents (seven females) with T1D were included (age 15.1 ± 1.1 years, HbA1c 7.3% ± 1.0% [56.3 ± 10.9 mmol/mol]). After a 4-week observational control phase, participants were randomized to either stand-alone intensive glycaemic management (IT; telemedicine or on-site visits, three times/week) or additionally performed track and field exercise (EX; three 60-minute sessions/week) for 4 weeks...
February 2024: Diabetes, Obesity & Metabolism
https://read.qxmd.com/read/37955929/current-warm-up-practices-before-maximal-sprinting-in-track-and-field-athletics
#28
JOURNAL ARTICLE
Caroline Prince, Kenny Guex, Guillaume Lachaux-Couttet, Pierre Samozino, Pascal Edouard
BACKGROUND: Warm-up is commonly performed by track-and-field athletes before performing maximal sprinting activities. Whilst some warm-up strategies may enhance athletes' physical and mental readiness, less is known about the current athletes' behaviors and warm-up practices in track and field. Therefore, this study aimed to identify the warm-up practices in a population of athletes performing in sprinting disciplines. METHODS: A cross-sectional exploratory study was performed in which track-and-field athletes, performing in athletics at a competitive level in disciplines requiring maximal acceleration and sprinting were recruited...
November 13, 2023: Journal of Sports Medicine and Physical Fitness
https://read.qxmd.com/read/37955796/track-and-field-of-the-journal-of-membrane-biology
#29
EDITORIAL
Alexey S Ladokhin
No abstract text is available yet for this article.
November 13, 2023: Journal of Membrane Biology
https://read.qxmd.com/read/37950761/achilles-tendon-and-triceps-surae-muscle-properties-in-athletes
#30
JOURNAL ARTICLE
Maria Sukanen, Ra'ad M Khair, Johanna K Ihalainen, Iida Laatikainen-Raussi, Pauline Eon, Antoine Nordez, Taija Finni
PURPOSE: The aim of this study was to investigate internal Achilles tendon (AT) displacement, AT shear wave velocity (SWV), and triceps surae (TS) muscle shear modulus in athletes. METHODS: Internal AT displacement was assessed using ultrasound during isometric contraction. Shear wave elastography was used to assess AT SWV (m × s-1 ) at rest and TS muscle shear modulus (kPa) during passive ankle dorsiflexion. RESULTS: A total of 131 athletes participated in this study...
November 11, 2023: European Journal of Applied Physiology
https://read.qxmd.com/read/37913912/perfectionism-and-performance-in-sport-exploring-non-linear-relationships-with-track-and-field-athletes
#31
JOURNAL ARTICLE
Sanna M Nordin-Bates, Daniel J Madigan, Andrew P Hill, Luke F Olsson
The relationship between perfectionism - perfectionistic strivings and perfectionistic concerns - and athletic performance is contested and inconsistent. The present study explored the possibility that one explanation for this inconsistency is the assumption that the relationship is linear. In two samples, we tested alternative non-linear relationships between perfectionism and real-world competitive athletic performance. Sample one comprised 165 Swedish track and field athletes (57 % competing in female category, 42 % in male category; Mage  = 16...
October 30, 2023: Psychology of Sport and Exercise
https://read.qxmd.com/read/37828810/changes-in-cycling-economy-and-fractional-utilization-of-v%C3%AC-o-2peak-during-a-40-min-maximal-effort-exercise-test-with-acute-hypobaric-hypoxia-corresponding-to-2800%C3%A2-m-of-altitude
#32
JOURNAL ARTICLE
Laura Oberholzer, Nikolai Søndersrød Aamaas, Jostein Hallén
INTRODUCTION: Peak oxygen uptake (V̇O2peak ) declines by ~7% per 1000 m of increasing altitude, whereas exercise performance seems reduced to a lesser extent. For example, 800-10 000 m track and field performances are decreased by 0.4%-2.4% above 1000 m as compared to below and some studies show similar drops in cycling performance. A greater decline in V̇O2peak than in endurance performance with altitude suggests a higher fractional utilization of V̇O2peak (%V̇O2peak )...
October 12, 2023: Scandinavian Journal of Medicine & Science in Sports
https://read.qxmd.com/read/37795704/prevalence-of-anemia-and-iron-deficiency-and-its-association-with-body-mass-index-in-elite-japanese-high-school-long-distance-runners
#33
JOURNAL ARTICLE
Shogo Tabata, Yuka Tsukahara, Hiroshi Kamada, Tomohiro Manabe, Fumihiro Yamasawa
OBJECTIVES: Anemia is a common condition in long-distance runners (LDRs). Recently, not only iron deficiency (ID) but also energy deficiency has been considered as a risk factor for anemia in athletes but no evidence has yet been established. The aim of this study was to investigate the prevalence of anemia and ID and the influence of body mass index (BMI) on anemia in high-school LDRs. METHODS: The participants were 406 male and 235 female elite Japanese LDRs who competed in the All-Japan High-School Ekiden Championship 2019...
October 5, 2023: Physician and Sportsmedicine
https://read.qxmd.com/read/37753421/the-frequency-and-performance-trends-of-european-countries-in-the-u18-and-u20-rankings-for-1500-m-and-3000-m-between-2009-2020
#34
JOURNAL ARTICLE
Mabliny Thuany, Patxi León-Guereño, Kevin Kipchumba, Raphael Fabrício de Souza, Beat Knechtle, Thayse Natacha Gomes
We purpose to determine the nationality of the European middle-distance athletes under 18 years (U18) and under 20 years (U20) during the last decade, to verify the participation trend for each country, and to assess whether the place of competition can be associated with the athletes ranking position. The sample comprised 902 European male runners, ranked among the best finishers from 2009 to 2020. The athletes were divided into two categories ( n U18  ​= ​266; and n U20  ​= ​636) of two distances ( n 1 500 ​m  ​= ​397; n 3 000 ​m  ​= ​505)...
September 2023: Sports medicine and health science
https://read.qxmd.com/read/37738218/adolescent-track-and-field-injuries-presenting-to-us-emergency-departments
#35
JOURNAL ARTICLE
Chris Hopkins, Bethany Graham, Beth Donnelly, Abigail Robertson, Jonna Strange
OBJECTIVES: Track and field (T&F) is a highly popular sport for adolescents. The diversity of running, jumping, and throwing events within the sport can result in unique injury patterns for adolescent track and field participants. The purpose of this study was to estimate injury risk in adolescent T&F and describe the types of injuries resulting in ED visits, classified by T&F events. METHODS: Emergency department (ED) data from the National Electronic Injury Surveillance System were obtained for a 20-year period from 2000 through 2019...
September 22, 2023: Physician and Sportsmedicine
https://read.qxmd.com/read/37730209/to%C3%A2-sleep-dreaming-medals-sleep-characteristics-napping-behavior-and-sleep-hygiene-strategies-in-elite-track-and-field-athletes-facing-the-olympic-games-of-tokyo-2021
#36
JOURNAL ARTICLE
Jacopo A Vitale, Stefano Borghi, Maria Francesca Piacentini, Giuseppe Banfi, Antonio La Torre
PURPOSE: Few data are available on sleep characteristics of elite track-and-field athletes. Our study aimed to assess (1) differences in sleep between sexes and among different track-and-field disciplines, (2) the effect of individualized sleep-hygiene strategies on athletes' sleep parameters, and (3) daytime nap characteristics in track-and-field athletes. METHODS: Sleep characteristics of 16 elite Olympic-level track-and-field athletes (male: n = 8; female: n = 8) were assessed during the preseason period, at baseline (T0), and during the in-season period, after the adoption of individualized sleep-hygiene strategies (T1)...
September 20, 2023: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/37689381/the-relationship-of-testosterone-levels-with-sprint-performance-in-young-professional-track-and-field-athletes
#37
JOURNAL ARTICLE
Eduard Bezuglov, Ildus I Ahmetov, Artemii Lazarev, George Mskhalaya, Oleg Talibov, Vjacheslav Ustinov, Maria Shoshorina, Elizaveta Bogachko, Violetta Azimi, Ryland Morgans, Anthony C Hackney
Evidence suggests that higher testosterone levels may provide an athletic advantage. Therefore, it is of practical interest to examine the association between testosterone levels and power- and strength-related traits in young professional track and field athletes, and to consider the factors that determine testosterone levels. The study involved 68 young professional athletes (45 females, 17.3 ± 2.6 years; 23 males, 18.2 ± 1.9 years). Testosterone levels were assessed via liquid chromatography-mass spectrometry...
September 7, 2023: Physiology & Behavior
https://read.qxmd.com/read/37687795/a-novel-inexpensive-camera-based-photoelectric-barrier-system-for-accurate-flying-sprint-time-measurement
#38
REVIEW
Tom Uhlmann, Sabrina Bräuer, Falk Zaumseil, Guido Brunnett
This paper introduces a novel approach to addressing the challenge of accurately timing short distance runs, a critical aspect in the assessment of athletic performance. Electronic photoelectric barriers, although recognized for their dependability and accuracy, have remained largely inaccessible to non-professional athletes and smaller sport clubs due to their high costs. A comprehensive review of existing timing systems reveals that claimed accuracies beyond 30 ms lack experimental validation across most available systems...
August 23, 2023: Sensors
https://read.qxmd.com/read/37665900/communication-profiles-and-sport-experiences-of-collegiate-track-and-field-athletes
#39
JOURNAL ARTICLE
Christine E Pacewicz, Alan L Smith
OBJECTIVES: Athletes often communicate with one another and exchange information, attitudes, and feelings that can influence their sport experiences. In an effort to better understand the sport communication context, the purpose of the current study was to (a) describe communication profiles of athletes (b) examine potential predictors (i.e., team identity, sex) of profile membership, and (c) examine the salience of these profiles by assessing profile group differences on athletes' perceptions of burnout, engagement, satisfaction, and enjoyment...
September 2023: Psychology of Sport and Exercise
https://read.qxmd.com/read/37665875/effect-of-brief-mindfulness-and-relaxation-inductions-on-anxiety-affect-and-brain-activation-in-athletes
#40
JOURNAL ARTICLE
Jui-Ti Nien, Diane L Gill, Ting-Yin Chou, Chen-Shuo Liu, Xiaoling Geng, Tsung-Min Hung, Yu-Kai Chang
The mindfulness-based intervention and psychological skills training are often used for maintaining the mental health or reducing undesirable mental states in athletes. However, their differences in acute effects on mental health and underlying neural mechanism are not well understood. Therefore, the purpose of the current study was to examine the differential effects of brief mindfulness induction (MI) and relaxation induction (RI) on state anxiety, affect and brain activation. Thirty-five track and field athletes were recruited for this study...
July 2023: Psychology of Sport and Exercise
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