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Analyzing Competitive Demands in Mountain Running Races: A Running Power-Based Approach.
Int J Sports Physiol Perform
December 2024
Department of Physical Education and Sports, Institute of Biomedicine (IBIOMED), Universidad de León, León, Spain.
Purpose: This study aimed to analyze the competitive demands of mountain running races of varying lengths.
Methods: Sixty-six male athletes competed in Vertical race (∼3 km and ∼1000 m of total elevation change), Sky race (∼25 km and ∼3000 m of total elevation change), and SkyUltra race (∼80 km and ∼9000 m of total elevation change). Exercise intensity and competition load (TL) were assessed using running power, heart rate, and rating of perceived exertion (RPE).
Association between aerobic performance and physiological responses in Yo-Yo intermittent recovery test level 2, and the futsal-specific intermittent endurance test in trained futsal players.
J Basic Clin Physiol Pharmacol
July 2024
Department of Biomedical Sciences, College of Medicine, Gulf Medical University, Ajman, UAE.
Objectives: This prospective cross-sectional study aimed to delineate associations between the performance and physiological responses to the Bruce test with two field tests, the futsal intermittent endurance test (FIET) and the Yo-Yo intermittent recovery test level-2 (YYIR2) in elite male futsal players, in order to endorse one of field test to futsal coaches.
Methods: Fifteen elite futsal players (age 20 ± 3 years) have been participated in this study. Main outcome measurements included aerobic power, heart rate, blood lactate, ventilation, VO, VCO, VE-VO and VE-VCO indicators during FIET, YYIR2, and the Bruce test with carrying out a portable gas analyzer.
ACE gene polymorphisms (rs4340) II and DI are more responsive to the ergogenic effect of caffeine than DD on aerobic power, heart rate, and perceived exertion in a homogeneous Brazilian group of adolescent athletes.
Braz J Med Biol Res
June 2024
Instituto de Educação Física e Esporte, Universidade Federal de Alagoas, Maceió, AL, Brasil.
The purpose of this study was to verify the association between angiotensin-converting enzyme (ACE) genotypes DD, DI, and II and caffeine (CAF) ingestion on endurance performance, heart rate, ratio of perceived exertion (RPE), and habitual caffeine intake (HCI) of adolescent athletes. Seventy-four male adolescent athletes (age: DD=16±1.7; DI=16±2.
View Article and Find Full Text PDFAcute enhancement of Romanian deadlift performance after consumption of caffeinated chewing gum.
Sci Rep
December 2023
Graduate Program in Department of Exercise Health Science, National Taiwan University of Sport, No. 16, Sec. 1, Shuang-Shih Rd., Taichung, 404, Taiwan.
Article Synopsis
- This study explored how caffeinated chewing gum affects performance in the Romanian deadlift using a special training device, comparing effects between a caffeine trial and a placebo trial!* -
- Nineteen participants chewed either caffeinated gum or a placebo for 10 minutes before performing the deadlift and showed significant improvements in peak concentric power, peak eccentric power, average power, and total work with caffeine!* -
- While caffeine showed positive effects on certain power metrics, there were no significant changes in average force, heart rate, or perceived exertion during the trials.*
Discriminant Analysis Approach in Morphometric Differentiation and Characterization of Serbian Autochthonous Goats.
Animals (Basel)
June 2023
Institute for Animal Husbandry, Autoput 16, 11080 Belgrade, Serbia.
This study investigated the possibility of using morphometric measurements to differentiate the autochthonous Serbian White goat breed from Saanen and Balkan goats, which were used as sire and dam breeds in its creation. For this purpose, a multivariate discriminant analysis was used. A total of 11 morphometric traits were measured in 98 does of 3 breeds: Saanen ( = 28), Balkan ( = 28), and Serbian White ( = 42), aged 2 to 7 years, in 4 different locations.
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