keyword
https://read.qxmd.com/read/38535747/seasonal-variation-and-the-effect-of-the-transition-period-on-physical-fitness-parameters-in-youth-female-soccer-players
#1
JOURNAL ARTICLE
Koulla Parpa, Borko Katanic, Marcos Michaelides
This study examined seasonal variation and the effect of the transition period on physical fitness parameters in female youth soccer players. Twenty-four players (13-17 years old) were assessed through field and laboratory testing. They completed laboratory testing three times: (1) at the beginning of the season (post-preseason), (2) at the end of the regular season (postseason), and (3) following the transition period (preseason). Field testing was conducted post-preseason and postseason. Results indicated that weight and body fat significantly increased from post-preseason to postseason and following the transition period...
March 20, 2024: Sports
https://read.qxmd.com/read/38535745/the-effect-of-oral-adenosine-triphosphate-atp-supplementation-on-anaerobic-exercise-in-healthy-resistance-trained-individuals-a-systematic-review-and-meta-analysis
#2
REVIEW
Roberto González-Marenco, Ivonne Azeret Estrada-Sánchez, Martha Medina-Escobedo, Rodolfo Chim-Aké, Roberto Lugo
Adenosine triphosphate (ATP) is an energy and signaling molecule. It is synthesized endogenously and can be taken as an oral supplement. This review aimed to identify the effects of oral ATP supplementation on anaerobic exercise in healthy resistance-trained adults. A systematic review and meta-analysis were performed based on the Preferred Reporting Items of Systematic Reviews and Meta-Analysis (PRISMA) criteria. The inclusion criteria were articles published from 2000 to 2022, with anaerobic variables (maximal strength, maximum repetitions, and maximum anaerobic power) measurable in healthy adults with experience in resistance training, only randomized placebo-controlled clinical trials (RCTs), and with the acute (a single dose 30 min to 24 h before the tests) and/or chronic (>1 day) oral supplementation of ATP...
March 14, 2024: Sports
https://read.qxmd.com/read/38535744/how-elite-athletes-with-a-spinal-cord-injury-sweat-during-exercise-an-exploratory-study
#3
JOURNAL ARTICLE
Anneke Hertig-Godeschalk, Claudio Perret
BACKGROUND: Sweat and thermal responses in individuals with spinal cord injury (SCI) are impaired depending on lesion characteristics. This is particularly problematic for athletes and may ultimately lead to reduced performance. This exploratory study investigated the feasibility of field-usable methods to objectively collect data relevant to sweat response in elite athletes with SCI. Differences in sweat response were also evaluated for different athlete characteristics. METHODS: Measurements were performed during exercise and included core temperature (Tc), heart rate, urine specific gravity, fluid intake, sweat rate, and sweat electrolyte concentration...
March 14, 2024: Sports
https://read.qxmd.com/read/38535743/does-playing-tennis-with-a-low-compression-ball-effect-psychophysiological-responses-and-match-characteristics-in-recreational-adult-players
#4
JOURNAL ARTICLE
Bulent Kilit, Ersan Arslan, Yusuf Soylu, Andrew M Lane
This study aimed to compare the effects of playing tennis using low-compression balls (Lc-Balls) and standard balls (St-Balls) on psychophysiological responses and match characteristics among recreational adult tennis players. Participants (N = 24; age: 20.5 ± 1.3 years) were randomly matched to play two singles matches over three sets: one match was played with a Lc-Ball and one match was played with a St-Ball, resulting in twenty-four matches. Heart-rate responses and match characteristics were assessed during each match...
March 13, 2024: Sports
https://read.qxmd.com/read/38535742/effects-of-warm-ups-with-weighted-vests-and-resistance-bands-on-physical-fitness-and-combat-ability-of-kumite-karate-athletes
#5
JOURNAL ARTICLE
Christos Ioannides, Chrysanthi Despotopoulou, Marios Hadjicharalambous, Nikolaos Zaras
The purpose of this study was to investigate whether a dynamic warm-up either with weighted vests (WVs) or with resistance bands (RBs) may enhance the physical fitness and combat ability of kumite karate athletes. Nine male athletes (age range from 16 to 30 years), participated in this study. Athletes followed three different warm-up programs in a randomized order: (a) with their body mass only (C), (b) with a WV of 10% load of their body mass and (c) with a wearable RB of 10% tension of their body mass. Following the warm-up, athletes performed the following tests: countermovement jump (CMJ), standing long jump (LJ), punch and kick reaction time, bench press throws, T-Half test and the kick frequency test...
March 12, 2024: Sports
https://read.qxmd.com/read/38535741/changes-in-body-composition-and-physical-performance-after-a-six-week-international-tour-in-young-chilean-female-tennis-players
#6
JOURNAL ARTICLE
Pablo Luna-Villouta, Luis Valenzuela Contreras, Cristian Martínez Salazar, Jorge Flández Valderrama, Carlos Matus-Castillo, Carol Flores-Rivera, Marcelo Paredes-Arias, Rodrigo Vargas-Vitoria
Junior tennis players travel a lot to play tennis tournaments; this causes them to spend a lot of time away from their homes and disrupts their training, which could reduce their performance and increase the risk of injury. The purpose of this study was to analyze the changes in physical performance and body composition after a six-week international tour in young Chilean female tennis players. Thirty young female tennis players (15.4 ± 0.6) participated in this study. Body weight, skinfolds, and perimeters were measured...
March 11, 2024: Sports
https://read.qxmd.com/read/38535740/the-risk-of-eating-disorders-in-adolescent-athletes-how-we-might-address-this-phenomenon
#7
JOURNAL ARTICLE
Isabel Cristina Rojas-Padilla, Iago Portela-Pino, María José Martínez-Patiño
Eating disorders are psychiatric and behavioral health pathologies of high complexity and different etiology, which can affect age groups, sexes, and ethnicities indistinctly. This study aimed to evaluate the risk of eating disorders and the possible relation with the sports profile of Colombian adolescent athletes. This was an exploratory cross-sectional quantitative study that used an online form designed with a sociodemographic questionnaire and the EAT-26 scale to determine the eating disorder risk of the object population...
March 8, 2024: Sports
https://read.qxmd.com/read/38535739/physiological-responses-and-performance-during-an-integrated-high-intensity-interval-aerobic-and-power-training-protocol
#8
JOURNAL ARTICLE
Ilias Iason Psarras, Gregory C Bogdanis
This study compared the acute physiological responses and performance changes during an integrated high-intensity interval aerobic and power protocol. Sixteen moderately trained athletes (age: 20.1 ± 2.2 years, body height: 180.0 ± 6.5 cm, body mass: 75.7 ± 6.4 kg, VO2max : 55.8 ± 4.3 mL/kg/min) performed a 2 × 6 min interval training protocol with 2 min passive recovery between sets on two different occasions in random and counterbalanced order. Each 6 min set included repeated periods of 15 s exercise interspersed with 15 s passive rest...
March 7, 2024: Sports
https://read.qxmd.com/read/38535736/weekly-programming-of-hamstring-related-training-contents-in-european-professional-soccer
#9
JOURNAL ARTICLE
Pedro Gómez-Piqueras, Antonio Martínez-Serrano, Tomás T Freitas, Antonio Gómez Díaz, Irineu Loturco, Enric Giménez, Joao Brito, David García-López, Hernan Giuria, Paulino Granero-Gil, Shaun Huygaerts, Francesc Cos, Julio Calleja-González, Emmanuel Vallance, Eduardo Sáez de Villarreal, Pedro E Alcaraz
Hamstring injuries in soccer continue to be a challenge for professionals who work with soccer players daily. Although its origin is multifactorial, the proper management of neuromuscular fatigue during the training microcycle is a very important factor to consider. There are no clear guidelines regarding the weekly distribution of certain exercises that demand the hamstrings. The main objective of this study was to describe the usual training practices of professional European soccer teams. An international observational survey design was applied to some of the strength and conditioning coaches of professional soccer teams...
March 5, 2024: Sports
https://read.qxmd.com/read/38535735/metabolomic-and-proteomic-profiling-of-athletes-performing-physical-activity-under-hypoxic-conditions
#10
JOURNAL ARTICLE
Kristina A Malsagova, Arthur T Kopylov, Alexander A Stepanov, Liudmila I Kulikova, Alexander A Izotov, Ksenia A Yurku, Evgenii I Balakin, Vasiliy I Pustovoyt, Anna L Kaysheva
Proteomic and metabolomic research enables quantitation of the molecular profile of athletes. Multiomic profiling was conducted using plasma samples collected from 18 male athletes performing aerobic activity (running) at high altitude. Metabolomic profiling detected changes in the levels of 4-hydroxyproline, methionine, oxaloacetate, and tyrosine during the recovery period. Furthermore, proteomic profiling revealed changes in expression of proteins contributing to the function of the immune system, muscle damage, metabolic fitness and performance, as well as hemostasis...
March 5, 2024: Sports
https://read.qxmd.com/read/38535734/applicability-of-the-cumberland-ankle-instability-tool-in-elite-volleyball-athletes-a-cross-sectional-observational-study
#11
JOURNAL ARTICLE
Flavia Figlioli, Giacomo Belmonte, Valerio Giustino, Alberto Canzone, Elena Ferrantello, Marco Gervasi, Eneko Fernández-Peña, Giuseppe Battaglia, Antonino Bianco, Antonino Patti
BACKGROUND: The ease of administration of the Cumberland Ankle Instability Tool (CAIT) could represent a methodology for periodically evaluating athletes, preventing ankle instability injuries. This study aimed to achieve three objectives: (a) to evaluate the applicability of the CAIT scale in volleyball; (b) to explore whether ankle instability presents a greater risk in lower-level volleyball categories and whether elite athletes demonstrate an ability to mitigate this risk; and (c) to identify potential predictors of ankle instability...
March 5, 2024: Sports
https://read.qxmd.com/read/38535733/improving-mental-skills-in-precision-sports-by-using-neurofeedback-training-a-narrative-review
#12
REVIEW
Stefano Corrado, Beatrice Tosti, Stefania Mancone, Tommaso Di Libero, Angelo Rodio, Alexandro Andrade, Pierluigi Diotaiuti
Primary objectives of neurofeedback training (NFT) are to improve concentration, stress and anxiety management, and performance optimisation. This narrative review examines the role of NFT as a tool to improve mental and cognitive skills of target shooting and archery athletes. Current research discusses how neurofeedback training can act on brain waves by influencing specific EEG frequency bands in order to improve cognitive flexibility. This contribution reports studies that have applied neurofeedback protocols in precision disciplines such as archery and shooting...
February 29, 2024: Sports
https://read.qxmd.com/read/38535730/improvements-in-jump-height-speed-and-quality-of-life-through-an-8-week-strength-program-in-male-adolescents-soccer-players
#13
JOURNAL ARTICLE
Sara Díaz-Hidalgo, Antonio Ranchal-Sanchez, Jose Manuel Jurado-Castro
This study aimed to assess the enhancement of physical fitness and quality of life through an 8-week strength training program in male adolescent soccer players aged between 12 and 13 years. A lower body muscle group intervention was performed, with 17 players in the experimental group (EG) and 15 players in the control group (CG). The EG carried out soccer training complemented by specific strength work. Pre- and post- intervention assessments included body composition, jump height, speed with change of direction, maximum speed in 20 m, movement velocity in back-squat, perceived fatigue effort, academic performance, and quality of life...
February 23, 2024: Sports
https://read.qxmd.com/read/38535729/does-grappling-combat-sports-experience-influence-exercise-tolerance-of-handgrip-muscles-in-the-severe-intensity-domain
#14
JOURNAL ARTICLE
Rubens Correa Junior, Renan Vieira Barreto, Anderson Souza Oliveira, Camila Coelho Greco
Successful performance in grappling combat sports (GCS) can be influenced by the fighter's capacity to sustain high-intensity contractions of the handgrip muscles during combat. This study investigated the influence of GCS experience on the critical torque (CT), impulse above CT (W'), tolerance, and neuromuscular fatigue development during severe-intensity handgrip exercise by comparing fighters and untrained individuals. Eleven GCS fighters and twelve untrained individuals participated in three experimental sessions for handgrip muscles: (1) familiarization with the experimental procedures and strength assessment; (2) an all-out test to determine CT and W'; and (3) intermittent exercise performed in the severe-intensity domain (CT + 15%) until task failure...
February 21, 2024: Sports
https://read.qxmd.com/read/38535728/body-part-pain-affects-subjective-and-objective-handball-performance-in-japanese-male-national-athletes-results-of-short-term-practical-monitoring-of-athletes-conditions
#15
JOURNAL ARTICLE
Issei Ogasawara, Daichi Shindo, Kazuki Fujiwara, Haruka Suzuki, Yuki Ueno, Hiroyuki Kato, Michihiro Takada, Yusuke Adachi, Manabu Todoroki, Susumu Iwasaki, Nobukazu Okimoto, Ken Nakata
This short-term survey examined the effect of body part pain on subjective and objective handball performance in Japanese male national handball athletes. Fourteen athletes participated in this study. Assessments of pain in 10 body parts and subjective performance ( concentration and satisfaction with body movement ) were performed using a visual analog scale from 0 to 10 over four consecutive training days. Monitoring of heart rate and body acceleration during training was also performed to quantify the objective performance...
February 21, 2024: Sports
https://read.qxmd.com/read/38535727/peer-verbal-encouragement-is-more-effective-than-coach-encouragement-in-enhancing-crossfit-specific-1-rm-strength-functional-endurance-and-psychophysiological-assessment-performance
#16
JOURNAL ARTICLE
Amir Romdhani, Faten Sahli, Omar Trabelsi, Mahmoud Rebhi, Hatem Ghouili, Hajer Sahli, Atef Salem, Khaled Trabelsi, Haitham Jahrami, Achraf Ammar, Makram Zghibi
This study compares the effects of coach verbal encouragement (CVE) and peer verbal encouragement (PVE) on CrossFit-specific one-repetition maximum (1-RM) strength, functional endurance, and psychophysiological assessments. A total of 36 sports science students (18 males, 18 females; mean age: 21.3 ± 0.5 years) participated in a randomized, counterbalanced crossover study in which 1-RM strength and endurance assessment sessions were undertaken under PVE, CVE, and no verbal encouragement (NVE) on separate days...
February 20, 2024: Sports
https://read.qxmd.com/read/38535726/basketball-fatigue-impact-on-kinematic-parameters-and-3-point-shooting-accuracy-insights-across-players-positions-and-cardiorespiratory-fitness-associations-of-high-level-players
#17
JOURNAL ARTICLE
Dimitrios I Bourdas, Antonios K Travlos, Athanasios Souglis, Dimitrios C Gofas, Dimitrios Stavropoulos, Panteleimon Bakirtzoglou
This study investigated the impact of basketball-induced fatigue on 3-point jump shooting accuracy, the ball's entry angle (EA) into the hoop, shot release time (RT), their relationship with player positions in high-level basketball, and the correlation between cardiorespiratory fitness markers and potential shooting performance changes. Guards (n = 13), forwards (n = 13), and centers (n = 12) underwent physiological assessments. Sequentially, they performed 15 jump shots (PRE), a basketball exercise simulation (BEST) involving 24 × 30 s circuit activities, and a repeated shooting test (POST)...
February 20, 2024: Sports
https://read.qxmd.com/read/38535518/acute-effects-of-various-doses-of-nitrate-rich-beetroot-juice-on-high-intensity-interval-exercise-responses-in-women-a-randomized-double-blinded-placebo-controlled-crossover-trial
#18
JOURNAL ARTICLE
Zhang Jiaqi, Dai Zihan, Stephen Heung-Sang Wong, Zheng Chen, Eric Tsz-Chun Poon
BACKGROUND: This study investigated the acute effects of various doses of nitrate-rich beetroot juice on the responses to high-intensity interval exercise in women. METHODS: A double-blinded, randomized, placebo-controlled, crossover trial was conducted with 13 recreationally active young women (age = 23 ± 2 years). All participants performed interval exercise (8 × 1-min bouts of cycling at 85% of peak power output [PPO] interspersed with 1-min active recovery at 20% of PPO) 2...
December 2024: Journal of the International Society of Sports Nutrition
https://read.qxmd.com/read/38535426/in-season-test-retest-reliability-of-visual-smooth-pursuit-eyeguide-focus-baseline-assessment-in-female-and-male-field-sport-athletes
#19
JOURNAL ARTICLE
Ayrton Walshe, Ed Daly, Alan J Pearce, Lisa Ryan
Sport-related concussions (SRCs) are a mild traumatic brain injury (mTBI) that induces transient symptoms in athletes. These symptoms provide avenues for developing emerging technologies to diagnose SRCs, in particular ocular and vestibular dysfunction. The following study aims to assess the reliability of visual smooth-pursuit technology (EyeGuide Focus) in amateur field-sport athletes. A convenience sample of 30 mixed-gender athletes (mean age = 24.89 ± 6.81 years) completed two testing sessions separated by 2-7 days...
March 4, 2024: Journal of Functional Morphology and Kinesiology
https://read.qxmd.com/read/38535424/cardiorespiratory-performance-in-kidney-and-liver-transplant-recipients-the-dilemma-to-combine-lifestyle-and-fitness
#20
JOURNAL ARTICLE
Giovannino Polara, Alessio Montagnoli, Roberto Palazzo, Melissa Orlandi, Gabriele Mascherini, Marco Corsi, Edoardo Falconi, Laura Stefani
It is widely demonstrated that moderate-intensity exercise is associated with improved fitness in non-communicable chronic diseases. However, there are no specific guidelines available for transplant recipients. Body composition is closely linked to exercise capacity, typically estimated by cardiopulmonary testing, but its potential correlation with cardiovascular health outcomes has not been investigated yet. This study aims to evaluate and compare cardiorespiratory performance and body composition in two groups of liver and kidney transplant recipients...
February 29, 2024: Journal of Functional Morphology and Kinesiology
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