Review
Nutrition & Dietetics
Jozo Grgic, Craig Pickering, Juan Del Coso, Brad J. Schoenfeld, Pavle Mikulic
Summary: Variations in the CYP1A2 genotype may modulate the ergogenic effects of caffeine, with a more favorable response seen in individuals with the AA genotype. However, differences between genotypes were small, inconsistent, or specific to certain exercise scenarios. Further studies with larger sample sizes are needed for a comprehensive understanding in this research area.
EUROPEAN JOURNAL OF NUTRITION
(2021)
Article
Nutrition & Dietetics
Carl D. Paton, Lillian C. Morton, Benoit Bomal, Andrea J. Braakhuis
Summary: In this study, supplementation with blackcurrant and caffeine, either alone or in combination, did not have a significant impact on cycling performance or physiological measures. Any observed differences were considered to be trivial.
INTERNATIONAL JOURNAL OF SPORT NUTRITION AND EXERCISE METABOLISM
(2022)
Article
Sport Sciences
Michele R. Schaeffer, Emily Mcbride, Reid A. Mitchell, Kyle G. Boyle, Andrew H. Ramsook, Joseph H. Puyat, Meaghan J. Macnutt, Jordan A. Guenette
Summary: This study found that the Turbine (TM) does not reduce the work of breathing and has no effect on dyspnea or exercise capacity during moderate to high exercise intensities.
MEDICINE AND SCIENCE IN SPORTS AND EXERCISE
(2021)
Article
Nutrition & Dietetics
Mark Glaister, Kiran Chopra, Ana Luis Pereira De Sena, Cassie Sternbach, Liridon Morina, Yiannis Mavrommatis
Summary: The study found that caffeine can reduce average heart rate during submaximal exercise, significantly shorten time-trial completion time, and decrease perceived exercise intensity. These effects are not influenced by ADORA2A or CYP1A2 genotypes.
APPLIED PHYSIOLOGY NUTRITION AND METABOLISM
(2021)
Article
Nutrition & Dietetics
Jung-Piao Tsao, Jeffrey R. Bernard, Tse-Hsin Tu, Hsiu-Chen Hsu, Chia-Chen Chang, Su-Fen Liao, I-Shiung Cheng
Summary: The effects of garlic supplementation on 40-km cycling time trial performance, exercise-induced oxidative stress, and inflammatory responses were investigated. The study found that 4-week oral garlic supplementation increased overall antioxidant capacity, attenuated oxidative stress, inflammation, and muscle damage during the cycling exercise, but had no ergogenic effect on cycling performance in healthy males.
JOURNAL OF THE INTERNATIONAL SOCIETY OF SPORTS NUTRITION
(2023)
Review
Biochemistry & Molecular Biology
Candice L. K. Copetti, Fernando Diefenthaeler, Fernanda Hansen, Francilene G. K. Vieira, Patricia F. Di Pietro
Summary: This review summarizes the effects of fruit-derived anthocyanins on cycling-induced responses and cycling performance. The studies found that anthocyanin supplementation may lead to lower oxidative stress, inflammation, muscle damage, and fatigue, increased production of nitric oxide, improved vascular function and muscle oxygenation, and enhanced performance. Additionally, an observed increase in fat oxidation can also improve performance.
Article
Physiology
William H. Gurton, Steve H. Faulkner, Ruth M. James
Summary: The study found that an intermittent, sprint-based warm-up strategy reduced the ergogenic benefits of individualized sodium bicarbonate ingestion on 4-km cycling time-trial performance.
INTERNATIONAL JOURNAL OF SPORTS PHYSIOLOGY AND PERFORMANCE
(2021)
Article
Sport Sciences
William H. H. Gurton, Guilherme G. G. Matta, Lewis Anthony Gough, Mayur Krachna Ranchordas, David G. G. King, Philip Hurst
Summary: Research investigated whether changes in endurance performance after ingesting sodium bicarbonate are mediated by positive expectations and decline in blood bicarbonate levels during exercise.
SPORTS MEDICINE-OPEN
(2023)
Article
Physiology
Berta Moreno, Esther Morencos, Davinia Vicente-Campos, Alejandro Munoz, Jaime Gonzalez-Garcia, Santiago Veiga
Summary: This study investigated the effects of beetroot juice on performance in competitive swimmers and found that it did not significantly improve performance. However, it did aid in recovery and fatigue tolerance.
FRONTIERS IN PHYSIOLOGY
(2023)
Article
Nutrition & Dietetics
Erfan Berjisian, Alireza Naderi, Shima Mojtahedi, Jozo Grgic, Mohammad Hossein Ghahramani, Raci Karayigit, Jennifer L. Forbes, Francisco J. Amaro-Gahete, Scott C. Forbes
Summary: The study aimed to investigate whether the effects of caffeine intake on resistance exercise and jumping performance are influenced by training status. The results showed that caffeine ingestion improved muscular strength, endurance, and jump height, with similar magnitudes observed in resistance-trained and recreationally active men.
Review
Nutrition & Dietetics
Ziyu Wang, Bopeng Qiu, Jie Gao, Juan Del Coso
Summary: Caffeine is widely consumed in sports for its established performance-enhancing effects. While there is ample evidence for the benefits of caffeine supplementation on endurance exercise, most of the studies have focused on cycling trials. This study aimed to systematically review and meta-analyze the effects of caffeine intake on endurance running performance.
Article
Nutrition & Dietetics
Raci Karayigit, Alireza Naderi, Firat Akca, Carlos Janssen Gomes da Cruz, Amir Sarshin, Burak Caglar Yasli, Gulfem Ersoz, Mojtaba Kaviani
Summary: The study found that consuming caffeinated coffee can improve lower body muscular endurance and cognitive performance in female athletes without adverse effects on cardiac autonomic function.
Article
Sport Sciences
Joshua L. Gills, Jordan M. Glenn, Michelle Gray, Braden Romer, Hocheng Lu
Summary: The study found that acute CM supplementation did not provide an ergogenic benefit in aerobic and anaerobic cycling performance in recreationally active males. Participants did not show significant differences in performance between the CM and placebo groups during aerobic and anaerobic cycling tests.
EUROPEAN JOURNAL OF SPORT SCIENCE
(2021)
Article
Nutrition & Dietetics
Eduardo M. Penna, Alec Harp, Brian Hack, Tyler N. Talik, Melinda Millard-Stafford
Summary: This study examined the effects of acute GUA ingestion on endurance performance and found that GUA improved work performance compared to placebo, but the effects were small and unrelated to substrate oxidation or muscular strength.
INTERNATIONAL JOURNAL OF SPORT NUTRITION AND EXERCISE METABOLISM
(2023)
Article
Physiology
Gyan A. Wijekulasuriya, Vernon G. Coffey, Luke Badham, Fergus O'Connor, Avish P. Sharma, Gregory R. Cox
Summary: The study found that acetaminophen had no effect on the physiology, perception, and performance of trained triathletes in hot and humid conditions. Precooling and percooling strategies appear to be more suitable for endurance cycling performance in the heat.
INTERNATIONAL JOURNAL OF SPORTS PHYSIOLOGY AND PERFORMANCE
(2022)
Review
Food Science & Technology
Jaime Lopez-Seoane, Sergio L. Jimenez, Juan Del Coso, Helios Pareja-Galeano
Summary: This systematic review examines the effects of n-3 PUFA supplementation on lean mass and muscle protein synthesis in individuals without physical training. The review found that n-3 PUFA supplementation had positive effects on skeletal muscle volume and mass, as well as muscle protein synthesis rate. However, there was no significant effect on the mechanisms of mTOR, Akt, and skeletal muscle gene expression.
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
(2023)
Article
Sport Sciences
A. Miralles-Iborra, J. L. L. Elvira, T. Urban, A. Calado, J. Del Coso, V Moreno-Perez
Summary: This study investigated the relationship between different measures of eccentric hamstring strength and the gold standard measurement of eccentric hamstring strength using an isokinetic dynamometer. The results showed that all Nordic-based measurements had acceptable associations with the gold standard measurement, but the peak eccentric force measured on the Smart-Nordic device had a better agreement with the isokinetic eccentric hamstring peak torque compared to the video-based measurements.
EUROPEAN JOURNAL OF SPORT SCIENCE
(2023)
Article
Primary Health Care
Victor Moreno-Perez, Javier Ruiz, Jairo Vazquez-Guerrero, Gil Rodas, Juan Del Coso
Summary: This study aimed to compare the characteristics of injuries sustained by professional basketball players during training and matches. The findings revealed that the injury incidence was higher during matches, but the characteristics of injuries were similar between training and matches.
PHYSICIAN AND SPORTSMEDICINE
(2023)
Article
Nutrition & Dietetics
Jorge Gutierrez-Hellin, Millan Aguilar-Navarro, Carlos Ruiz-Moreno, Alejandro Munoz, David Varillas-Delgado, Francisco J. Amaro-Gahete, Juan Del Coso
Summary: The effect of caffeine on fat oxidation during submaximal aerobic exercise is similar with 3 and 6 mg/kg of body mass.
EUROPEAN JOURNAL OF NUTRITION
(2023)
Article
Nutrition & Dietetics
Justin D. Roberts, Joseph B. Lillis, Jorge Marques Pinto, Havovi Chichger, Alvaro Lopez-Samanes, Juan Del Coso, Rodrigo Zacca, Ashley G. B. Willmott
Summary: This study investigated the chronic effects of supplementation with a biodynamic and organic olive fruit water phytocomplex on exercise performance and recovery. Results showed that the supplement improved exercise performance and acute recovery. Further research is needed to determine the optimal dosage and if it can enhance long-term training adaptations.
Review
Nutrition & Dietetics
Ziyu Wang, Bopeng Qiu, Jie Gao, Juan Del Coso
Summary: Caffeine is widely consumed in sports for its established performance-enhancing effects. While there is ample evidence for the benefits of caffeine supplementation on endurance exercise, most of the studies have focused on cycling trials. This study aimed to systematically review and meta-analyze the effects of caffeine intake on endurance running performance.
Article
Genetics & Heredity
Javier Abian-Vicen, Pablo Abian, Alfredo Bravo-Sanchez, Ines Pinas-Bonilla, Beatriz Lara, Juan Del Coso
Summary: alpha-Actinin-3 is a protein found in skeletal muscle that plays a structural role at the Z-line. The presence of a certain gene variant affects the expression of alpha-actinin-3, and individuals with functional alpha-actinin-3 have a higher frequency in elite badminton players, especially those ranked in the world's top ten.
Review
Nutrition & Dietetics
Veronica Giraldez-Costas, Juan Del Coso, Asier Manas, Juan Jose Salinero
Summary: This overview review includes 189 experimental studies with 3459 participants to describe the characteristics of research on caffeine effects on strength. Most studies used a single dose of caffeine adjusted to body mass, with a median sample size of 15 participants. Capsules and beverages were the most common forms of caffeine administration. The pattern in these studies focused on upper or lower body strength performance, with a moderate dose of caffeine.
Editorial Material
Nutrition & Dietetics
Diego A. Bonilla, Daniel Boullosa, Juan Del Coso
Article
Chemistry, Multidisciplinary
Aaron Miralles-Iborra, Victor Moreno-Perez, Juan Del Coso, Javier Courel-Ibanez, Jose L. L. Elvira
Summary: This study introduces a field-based test for assessing hamstring and quadriceps strength in the knee, which can be used to detect muscle deficits in football players. It provides reliable measurements for maximal isometric strength but less reliable measurements for rate of force development.
APPLIED SCIENCES-BASEL
(2023)
Article
Sport Sciences
Victor Moreno-Perez, Juan Del Coso, Roberto Lopez-Del Campo, Ricardo Resta, Jose Romero-Sanguesa, Javier Courel-Ibanez, Alberto Mendez-Villanueva
Summary: This study examined the influence of accumulated match-play exposure on hamstring strain injury in professional football players. It found that low match-play exposures in the previous matches increased the risk of hamstring injuries. Metrics from the match before the injury showed the best accuracy in predicting injury occurrence.
SPORTS HEALTH-A MULTIDISCIPLINARY APPROACH
(2023)
Article
Sport Sciences
Aaron Miralles-Iborra, Jose L. L. Elvira, Juan Del Coso, Sergio Hernandez-Sanchez, Jose Pino-Ortega, Victor Moreno-Perez
Summary: This study aimed to assess the acute effect of a competitive football match on jump performance and kinematic parameters during jump landing in semiprofessional female football players. The results showed that a competitive football match worsened jump performance and several landing biomechanical parameters in female football players, which were still decreased in comparison with baseline even 48 h after the match.
SCANDINAVIAN JOURNAL OF MEDICINE & SCIENCE IN SPORTS
(2023)
Review
Nutrition & Dietetics
Jorge Gutierrez-Hellin, Juan Del Coso, Mario C. Espada, Victor Hernandez-Beltran, Catia C. Ferreira, David Varillas-Delgado, Nuria Mendoza Laiz, Justin D. Roberts, Jose M. Gamonales
Summary: In recent decades, there have been numerous studies investigating the effects of oral caffeine intake on fat oxidation. However, there has been no bibliometric analysis to assess the research activity in this field. This study conducted a bibliometric and visual analysis to assess the scientific output regarding oral caffeine intake and fat oxidation rate. The findings demonstrate that this is a nutrition research area with a strong foundational base of scientific evidence, and future research should focus on the effects of sex and caffeine tolerance on fat burning, as well as translational research in ecologically valid contexts.
Article
Multidisciplinary Sciences
Joaquin Gonzalez-Rodenas, Jordi Ferrandis, Victor Moreno-Perez, Roberto Lopez-Del Campo, Ricardo Resta, Juan Del Coso
Summary: This study examines the differences in playing style and technical performance based on ranking levels in Spanish football teams. Higher-ranked teams exhibit an advanced starting position, longer offensive sequences, slower progression speed, more ball possession, higher passing accuracy, and more crosses and through balls. Coaches should consider adopting a playing style focused on regaining ball possession in advanced field zones and using long passing sequences as an effective tactical strategy to improve ranking.
Article
Sport Sciences
Aaron Agudo-Ortega, Juan J. Salinero, Oyvind Sandbakk, Violeta Munoz de la Cruz, Jose M. Gonzalez-Rave
Summary: The study provides an overview of the training practices employed by elite Spanish sprint coaches, revealing a focus on strength and tempo training, gradually shifting towards competition specificity throughout the season. The coaches incorporated different macro-periodisation models but shared similarities in strength and sprint training methods.
INTERNATIONAL JOURNAL OF PERFORMANCE ANALYSIS IN SPORT
(2023)