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Structural and Functional Remodeling for Elite Cyclists During Exercise; Pressure Volume Loops and Hemodynamic Forces Analysis.
Am J Physiol Heart Circ Physiol
January 2025
Sport Medicine Unit, Careggi University Hospital, Via delle Oblate 4, 50134 Florence, Italy.
The study was designed to investigate the pattern of intraventricular Hemo-Dynamic Forces (HDF) and myocardial performance during exercise in Elite Cyclists (EC). Transthoracic stress echocardiography was performed on nineteen EC and thirteen age-matched sedentary controls (SC) at three incremental exercise intensities based on Heart Rate Reserve (HRR). Left Ventricular (LV) HDF were computed from echocardiography long-axis data sets using a novel technique based on endocardial boundary tracking, both in apex-base and latero-septal directions.
View Article and Find Full Text PDFEating behaviours and associated lifestyle factors in a sample of Slovak adolescents.
Cent Eur J Public Health
December 2024
Institute of Hygiene, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic.
Objectives: An unhealthy lifestyle, inappropriate eating habits, and inadequate physical activity are the most common risk factors affecting health and causing the premature onset of non-communicable diseases. The study aimed to evaluate lifestyle factors, eating habits, and daily regimens in a sample of Slovak adolescents.
Methods: The sample involves 524 students aged 15-22 years attending selected secondary schools from the model region of Bratislava, the capital of Slovakia.
Go big or spin fast? Biomechanical deterministic models for snowboard freestyle tricks performed on a trampoline.
J Sports Sci
January 2025
Institute of Biomechanics and Orthopaedics, German Sport University, Cologne, Germany.
In snowboard freestyle, rotation is the key indicator of trick difficulty, encouraging riders to perform tricks with more rotation. In many cases, snowboarders learn and practice tricks using training tools such as trampolins and/or landingbags before they transfer this tricks on-snow. It has not yet been scientifically investigated which movement parameters are primarily responsible for the acquisistion of increasingly difficult cork tricks.
View Article and Find Full Text PDFPreoperative vascular dysfunction is associated with acute kidney injury after cardiac surgery.
J Thorac Dis
December 2024
Department of Cardiovascular Surgery, Ageo Central General Hospital, Saitama, Japan.
Background: Cardiac surgery-associated acute kidney injury (CSA-AKI) results in poor prognosis. Several risk factors for CSA-AKI have been reported, including preoperative creatinine level, cardiopulmonary bypass time, and perioperative blood pressure management. Only few studies have reported the effect of vascular stiffness on the incidence of CSA-AKI, and there are is no study reporting on endothelial function and its association with CSA-AKI.
View Article and Find Full Text PDFThe effects of sex and load on quantifying the bilateral force deficit during an upper body Wingate test.
Front Sports Act Living
January 2025
School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John's, NL, Canada.
Introduction: The bilateral deficit (BLD) is a reduction in the amount of force during a bilateral task vs. the total force from the unilateral limbs performing the same task. We quantified the BLD during an upper body Wingate Anaerobic Test (WAnT) and evaluated the influence of sex and load on the BLD in force.
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