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International Journal of Sports Medicine

https://read.qxmd.com/read/38588713/hypoalgesia-and-conditioned-pain-modulation-in-blood-flow-restriction-resistance-exercise
#21
JOURNAL ARTICLE
Jinghui Yang, Nicholas Rolnick, Ericka Merriwether, Smita Rao
We compared the magnitude of exercise-induced hypoalgesia and conditioned pain modulation between blood-flow restriction (BFR) resistance exercise (RE) and moderate-intensity RE. Twenty-five asymptomatic participants performed unilateral leg press in two visits. For moderate-intensity RE, subjects exercised at 50% 1RM without BFR whereas BFR RE exercised at 30% 1RM with a cuff inflated to 60% limb occlusion pressure. Exercise-induced hypoalgesia was quantified by pressure pain threshold changes before and after RE...
April 8, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38565186/injury-risk-analysis-among-judo-athletes-with-intellectual-disabilities
#22
JOURNAL ARTICLE
Jose Morales, Misaki Iteya, James Mulroy, Rafael Kons, Jozef Simenko, David H Fukuda, Raquel Escobar-Molina, Myriam Guerra-Balic, Emanuela Pierantozzi, Marta Moragas
The main aim of this study was to evaluate injury prevalence, incidence rate, and burden in judo athletes with intellectual disabilities (ID) who participate in international competitions. This retrospective cross-sectional study analyzed data from the past year for 182 judo athletes with ID. Data was collected using a self-reported questionnaire, adapted from previous research, that included questions about injuries impacting training or competition, injury type, mechanism, severity, diagnosis, and location on the body...
April 2, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38346702/high-prevalence-of-seasonal-and-current-groin-problems-in-rink-hockey-players
#23
JOURNAL ARTICLE
Marcos Quintana-Cepedal, Bernat de Pablo Marquez, Miguel Del Valle Soto, Hugo Olmedillas
Groin problems are common in multidirectional sports. The aim of the present study is to assess seasonal, current, and trends for groin problems in rink hockey players, irrespective of their playing position, age, or gender. Rink hockey players from three countries [n=446 (162 female, 284 male)] were invited to participate in an online questionnaire. This form evaluated the prevalence of groin problems (time-loss and non-time-loss) for the 2022-2023 season, as well as monthly prevalence of groin problems (time-loss and non-time-loss)...
April 2, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38365217/exercise-induced-hypertension-and-carotid-intima-media-thickness-in-male-marathon-runners
#24
JOURNAL ARTICLE
Eun Sun Yoon, Young-Joo Kim
This study aimed to identify the relationship between exercise-induced hypertension and carotid artery intima-media thickness in long-distance runners. Sixty healthy male runners aged 40 to 60 years were assigned to the following three groups based on resting blood pressure and maximal systolic blood pressure during a maximal exercise test: normal blood pressure response, exercise-induced hypertension, and complex hypertension. An exaggerated systolic blood pressure response was defined as a maximal systolic blood pressure+≥+210 mmHg during the maximal exercise test, while carotid intima-media thickness was measured using B-mode ultrasonography...
March 28, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38190980/effect-of-aerobic-training-with-blood-flow-restriction-on-strength-and-hypertrophy-a-meta-analysis
#25
JOURNAL ARTICLE
Carlos Alberto Toledo Teixeira Filho, Eduardo Pizzo Junior, Julia Waszczuk Vendrame, Gabriel Martins Da Silva, Allysie Priscilla de Souza Cavina, Leonardo Kesrouani Lemos, Franciele Marques Vanderlei
The objective of this meta-analysis is to compare the effects on muscle strength and hypertrophy of low and high-intensity aerobic training with BFR (LI-BFR and HI-BFR) versus low and high-intensity aerobic training without BFR (LI and HI). The search was performed in five databases, by two independent researchers, and the terms and keywords used to optimize the searches were related to blood flow restriction and aerobic training. All studies were evaluated for methodological quality using the PEDro scale and for quality of evidence using the GRADE system...
March 28, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38527465/return-to-the-pre-injury-level-of-sport-after-anterior-cruciate-ligament-reconstruction-a-practical-review-with-medical-recommendations
#26
JOURNAL ARTICLE
Braidy S Solie, Luke V Tollefson, Christopher P Doney, Jeremy M J O'Keefe, Will C Thompson, Robert F LaPrade
Returning to sport after anterior cruciate ligament reconstruction (ACLR) can be a challenging and complex process for the athlete, with the rate of return to the pre-injury level of sport observed to be less than athlete expectations. Of the athletes that do return to sport (RTS), knee re-injury rates remain high, and multiple studies have observed impaired athletic performance upon RTS after ACLR as well as reduced playing time, productivity, and career lengths. To mitigate re-injury and improve RTS outcomes, multiple RTS after ACLR consensus statements/clinical practice guidelines have recommended objective RTS testing criteria to be met prior to medical clearance for unrestricted sports participation...
March 25, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38471657/influence-of-the-number-of-players-on-the-load-of-soccer-players-during-transition-games
#27
JOURNAL ARTICLE
Jose Asian-Clemente, Alberto Rabano-Munoz, Bernardo Requena, Luis Suarez-Arrones
The aims of this study were to determine the effect of different compositions in transition games (TGs) on the load of soccer players and to evaluate their performance in physical tests. Using a GPS system, 18 players were monitored during: 3vs2, 2vs1 and 1vs1. Distance covered (DC), DC 18-20.9 km·h-1 , 21-23.9 km·h-1 , >24 km·h-1 , peak speed, accelerations (Acc) and decelerations (Dec) >1.0 m·s-2 and >2.5 m·s-2 and rate of perceived exertion (RPE) were recorded. Before and after each TG, countermovement-jump (CMJ), 15- (S15 ) and 30 m (S30 ) speed tests were assessed...
March 12, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38286426/effects-of-resistance-training-overload-progression-protocols-on-strength-and-muscle-mass
#28
JOURNAL ARTICLE
Talisson Santos Chaves, Maíra Camargo Scarpelli, João Guilherme Almeida Bergamasco, Deivid Gomes da Silva, Ricardo Alessandro Medalha Junior, Nathalia Fernanda Dias, Diego Bittencourt, Paulo Cesar Carello Filho, Vitor Angleri, Sanmy Rocha Nóbrega, Michael D Roberts, Carlos Ugrinowitsch, Cleiton Augusto Libardi
The aim of this study was to compare the effects of progressive overload in resistance training on muscle strength and cross-sectional area (CSA) by specifically comparing the impact of increasing load (LOADprog) versus an increase in repetitions (REPSprog). We used a within-subject experimental design in which 39 previously untrained young persons (20 men and 19 women) had their legs randomized to LOADprog and REPSprog. Outcomes were assessed before and after 10 weeks of training. Muscle strength was assessed using the one repetition maximum (1RM) test on the leg extension exercise, and the CSA of the vastus lateralis was assessed by ultrasonography...
March 12, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38267005/determinants-of-v%C3%AC-o2peak-changes-after-aerobic-training-in-coronary-heart-disease-patients
#29
JOURNAL ARTICLE
Axel Girault, Pierre-Marie Leprêtre, Lukas-Daniel Trachsel, Florent Besnier, Maxime Boidin, Julie Lalongé, Martin Juneau, Louis Bherer, Anil Nigam, Mathieu Gayda
This study aimed to highlight the ventilatory and circulatory determinants of changes in ˙VO2 peak after exercise-based cardiac rehabilitation (ECR) in patients with coronary heart disease (CHD). Eighty-two CHD patients performed, before and after a 3-month ECR, a cardiopulmonary exercise testing (CPET) on a bike with gas exchanges measurements (˙VO2 peak, minute ventilation, i. e., ˙VE), and cardiac output (Q˙c). The arteriovenous difference in O2 (C(a-v¯)O2 ) and the alveolar capillary gradient in O2 (PAi-aO2 ) were calculated using Fick's laws...
March 11, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38461820/classification-of-male-athletes-based-on-critical-power
#30
JOURNAL ARTICLE
Javier Olaya-Cuartero, Basilio Pueo, Alfonso Penichet-Tomas, Jose M Jimenez-Olmedo
This study aimed to classify male athletes based on their performance levels derived from running critical power (CP) using the 9/3-minute Stryd CP test, enabling customized training strategies and goal setting. Twenty-four trained athletes underwent the 9/3-minute running CP test on a certified 400-m athletics track. Hierarchical cluster analysis using Ward's method categorized athletes based on CP into distinct performance tiers. Three clusters were identified with centroids of 3.87±0.12, 4.45±0...
March 10, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38442910/the-acute-chronic-workload-ratio-and-injury-risk-in-semiprofessional-football-players
#31
JOURNAL ARTICLE
Roberto Seco-Serna, Carlos Lago-Fuentes, Martín Barcala-Furelos
The purpose of this study was to analyse the association and predictive capacity between the acute:chronic workload ratio (ACWR) and non-contact injuries in a semiprofessional football team. 17 football players from a Spanish Third Division football team participated voluntarily in this study. A prospective longitudinal study was developed during 2020/2021 season. 24 weeks were analysed from October to March, including a regenerative microcycle due to the absence of competition during Christmas. Ratio perceived exertion (RPE) and session- ratio perceived exertion (sRPE) were registered for every training and game session...
March 5, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38437874/altered-cervical-spine-position-results-in-decreased-eccentric-shoulder-rotation-strength
#32
JOURNAL ARTICLE
Kevin Giordano, Kyle Wasserberger, Gretchen D Oliver
Overhead athletics require strenuous shoulder activity in nonneutral cervical spine positions to eccentrically decelerate the throwing/striking arm following ball release/contact. Therefore, we aimed to compare eccentric shoulder rotation strength through a 90° arc between neutral and rotated positions. 52 participants (19M,34F170±10cm;73±18kg,21.9±2.9years) without shoulder or cervical spine pathology participated. Isokinetic eccentric shoulder rotation strength was measured through a 90° arc with shoulder elevated 90° in frontal plane (frontal plane), and 45° anterior to the frontal plane (scapular plane) in neutral and rotated cervical spine positions...
March 4, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38113901/the-6-minute-run-test-validation-and-reference-equations-for-adults
#33
JOURNAL ARTICLE
Malte Leuschner, Martin Grauduszus, David Friesen, Nina Ferrari, Marlen Klaudius, Christine Joisten
Endurance performance tests directly measuring cardiorespiratory fitness are complex, but field tests indirectly assessing maximum oxygen uptake (VO2max ) are an alternative. This study aimed to validate the 6-minute run test in adults, comparing it to the established shuttle run test, and to create reference equations. The cross-over design involved healthy adults aged 18-65 undertaking both tests, separated by a two-hour interval. The 6-minute run test required participants to run around a volleyball court for six minutes, aiming to maximize distance covered...
March 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/37678559/endurance-performance-adaptations-between-ssg-and-hiit-in-soccer-players-a-meta-analysis
#34
JOURNAL ARTICLE
Filipe Manuel Clemente, Jason Moran, Rodrigo Ramirez-Campillo, Marco Beato, José Afonso
The objective of this systematic review with meta-analysis was to compare the endurance performance chronic adaptations induced by running-based high-intensity interval training (HIIT), small-sided games (SSGs), and combined HIIT+SSGs in male and female youth and adult soccer players. The studies included in this review followed the PICOS criteria: (i) healthy soccer players; (ii) interventions based on SSGs; (iii) comparators exposed to only HIIT or combined SSGs+HIIT; (iv) endurance performance variables...
March 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38417813/association-between-physical-activity-and-menstrual-cycle-disorders-in-young-athletes
#35
JOURNAL ARTICLE
Paolo Passoni, Alessandra Inzoli, Elena De Ponti, Serena Polizzi, Anna Ceccherelli, Martina Fantauzzi, Chiara Procaccianti, Alessandro Cattoni, Silvia Villa, Anna Riva, Stefano Righetti, Fabio Landoni, Robert Fruscio
Our study aims at evaluating clinical predictors of menstrual cycle disorders in female athletes who compete in running disciplines. This is a prospective observational study. Women were recruited between January and May 2022. 53 patients were enrolled and completed a questionnaire about menstrual cycle, physical activity and food habits characteristics. 39,6% of women in our population had menstrual irregularities and reported a significantly higher number of kilometres run per week (67 vs 35, p:0.02). The number of kilometres run per week was associated with menstrual irregularities (for 10 km, OR 1,35; IC95% 1,05-1,73; p: 0,02) after adjusting for BMI, age, level of sport and caloric intake...
February 28, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38401535/left-ventricular-hypertrophy-in-male-and-female-judo-athletes
#36
JOURNAL ARTICLE
Carlo Rossi, Roberto Roklicer, Patrik Drid, Aleksandra Milovancev, Tatjana Trivic, Antonino Scardina, Attilio Carraro, Antonino Bianco
Changes in cardiac geometry develop after intense and prolonged training. Left ventricular enlargement, increased relative wall thickness, and growing mass of the left ventricle occur after strenuous exercise. Combat sports such as judo can lead to left ventricular hypertrophy. Previous studies have found that there are differences in left ventricular chamber size and thickness between the sexes, with female athletes having smaller wall diameters and less hypertrophy than male athletes. The research aims to examine heart muscle adaptations and remodeling of cardiac geometry among elite judo athletes and to evaluate differences between males and females...
February 24, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38401534/implications-of-heat-stress-induced-metabolic-alterations-for-endurance-training
#37
JOURNAL ARTICLE
Samuel Bennett, Eve Tiollier, Daniel J Owens, Franck Brocherie, Julien B Louis
Inducing a heat-acclimated phenotype via repeated heat stress improves exercise capacity and reduces athletes̓ risk of hyperthermia and heat illness. Given the increased number of international sporting events hosted in countries with warmer climates, heat acclimation strategies are increasingly popular among endurance athletes to optimize performance in hot environments. At the tissue level, completing endurance exercise under heat stress may augment endurance training adaptation, including mitochondrial and cardiovascular remodeling due to increased perturbations to cellular homeostasis as a consequence of metabolic and cardiovascular load, and this may improve endurance training adaptation and subsequent performance...
February 24, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38113920/the-sleep-parameters-of-olympic-athletes-characteristics-and-assessment-instruments
#38
JOURNAL ARTICLE
Marco Túlio de Mello, Eduardo Stieler, Isadora Grade, André Fernandes Chaves Filho, Gabriel Mendes, Natália Ituassu, Andressa Silva
This systematic review aims to identify the sleep parameters of Olympic athletes and the instruments used to assess and monitor the sleep of these athletes. The search was conducted until February 2023 and was performed in PubMed, Web of Science, and Scopus databases. This systematic review has included studies that investigated at least one of the following sleep parameters: total sleep time (TST), sleep onset latency (SOL), sleep efficiency (SE), awakenings after sleep onset (WASO), quality of sleep, daytime sleepiness, and chronotype; the participants were Olympic athletes...
February 24, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38346688/effects-of-eccentric-phase-velocity-on-bench-press-concentric-bar-velocity-in-the-young-and-elderly
#39
JOURNAL ARTICLE
Antenor Calandrini, Eduardo Macedo Penna, Elren Passos Monteiro, Daniel Boullosa, Victor Silveira Coswig
This study aimed to investigate the impact of bar velocity during the eccentric phase on subsequent concentric performance in the young and elderly. Twelve elderly women (65.2+4.2 years) and 16 young women (23.1+2.1 years) were randomly assigned to four experimental conditions that combined high-velocity eccentric actions (HVECC ; maximum velocity) and moderate-velocity eccentric actions (MVECC ; 2.0 s), using 30% and 60% of their 1-repetition maximum (1RM) on the Smith machine bench press. Measurements of mean propulsive velocity (MPV), peak velocity (PV), and mean power (MP) were recorded...
February 12, 2024: International Journal of Sports Medicine
https://read.qxmd.com/read/38346687/vitamin-e-does-not-favor-recovery-after-exercises-systematic-review-and-meta-analysis
#40
JOURNAL ARTICLE
Katieli Santos de Lima, Felipe Schuch, Natiele Camponogara Righi, Léo José Rubin Neto, Guilherme Silva Nunes, Gustavo Puntel, Patrícia Chagas, Antonio Marcos Vargas da Silva, Luis Ulisses Signori
This review aimed to verify the effects of vitamin E supplementation on oxidative stress, inflammatory response, muscle damage, soreness, and strength in healthy adults after exercise. We searched the MEDLINE, EMBASE, SPORTDiscus, Cochrane CENTRAL, and Web of Science from inception to August 2023, with no language restrictions. We included randomized placebo-controlled trials evaluating the supplementation of vitamin E on the abovementioned outcomes after a bout of physical exercise in healthy participants (no restriction for publication year or language)...
February 12, 2024: International Journal of Sports Medicine
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