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| http://dx.doi.org/10.1016/j.jesf.2024.03.009 | DOI Listing |
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Physiological and Performance Adaptations to Varying Rest Distributions During Short Sprint Interval Training Trials in Female Volleyball Players: A Comparative Analysis of Interindividual Variability.
Int J Sports Physiol Perform
October 2024
Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, University of Guilan, Rasht, Iran.
Purpose: This study aimed to examine the impact of different rest periods between short sprint interval training (SSIT) trials on the physiological and performance adaptations of female volleyball players.
Methods: Twenty-four trained college athletes volunteered to participate in this study and were randomly assigned to 3 SSIT groups with different work-to-rest ratios (1:2 [5-s run:10-s rest], 1:4 [5-s run:20-s rest], and 1:6 [5-s work:30-s rest]). Before and after 6-week training, physiological parameters (maximum oxygen uptake, first and second ventilatory thresholds, and peak and mean power output) and physical performance measures (ie, countermovement vertical jump, 10-m sprint, and T-test change-of-direction speed) were evaluated.
Inflammatory markers and noncoding-RNAs responses to low and high compressions of HIIT with or without berberine supplementation in middle-aged men with prediabetes.
Physiol Rep
August 2024
Department of Exercise Physiology, Faculty of Sport Science, University of Mazandaran, Babolsar, Iran.
This study compared the capacity of two different models of HIIT [high-(HC) and low-(LC) compression], with or without the use of berberine (BBR), on NOD-like receptor pyrin domain-containing protein-3 (NLRP3), H19, interleukin (IL)-1β, high-sensitivity C-reactive protein (hs-CRP), and insulin resistance markers. Fifty-four middle-aged men with overweight or obesity and prediabetes [fasting blood glucose (FBG) 110-180 mg/dL] were randomly and equally assigned to the HC, LC, HC + BBR, LC + BBR, BBR, and non-exercising control (CON) groups. The HC (2:1 work-to-rest) and LC (1:1 work-to-rest) home-based training programs included 2-4 sets of 8 exercises at 80%-95% HRmax, twice a week for 8 weeks.
View Article and Find Full Text PDFAcute Response of Different High-Intensity Interval Training Protocols on Cardiac Auto-Regulation Using Wearable Device.
Sensors (Basel)
July 2024
Department of Sport and Leisure Studies, College of Physical Education, Keimyung University, Daegu 42601, Republic of Korea.
Article Synopsis
- The study aimed to compare various high-intensity interval training (HIIT) protocols with different work and rest durations for their effects on cardiac auto-regulation measured by a wearable device.
- Thirteen physically active young males participated in three HIIT protocols: 10 s/50 s, 20 s/100 s, and 40 s/200 s, all featuring the same work-to-rest ratios and exercise intensities.
- Results showed that the 40 s/200 s protocol significantly stimulated cardiac responses, such as heart rate variability and post-exercise effects, suggesting that longer work times may enhance cardiac auto-regulation more effectively than shorter intervals.
Effect of rest duration between sets on fatigue and recovery after short intense plyometric exercise.
Sci Rep
July 2024
Department of Biomedical Sciences, Józef Piłsudski University of Physical Education in Warsaw, Warsaw, Poland.
Plyometric training is characterized by high-intensity exercise which is performed in short term efforts divided into sets. The purpose of the present study was twofold: first, to investigate the effects of three distinct plyometric exercise protocols, each with varying work-to-rest ratios, on muscle fatigue and recovery using an incline-plane training machine; and second, to assess the relationship between changes in lower limb muscle strength and power and the biochemical response to the three exercise variants employed. Forty-five adult males were randomly divided into 3 groups (n = 15) performing an exercise of 60 rebounds on an incline-plane training machine.
View Article and Find Full Text PDFThe Physical Demands of Wheelchair Tennis Match Play: A Systematic Review with Meta-analysis.
Sports Med
July 2024
Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.
Background: Wheelchair tennis, a globally popular sport, features a professional tour spanning 40 countries and over 160 tournaments. Despite its widespread appeal, information about the physical demands of wheelchair tennis is scattered across various studies, necessitating a comprehensive systematic review to synthesise available data.
Objective: The aim was to provide a detailed synthesis of the physical demands associated with wheelchair tennis, encompassing diverse factors such as court surfaces, performance levels, sport classes, and sexes.
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