Get started
Author

Javier Portillo

ORCID: 0000-0002-6264-5520
Observed ORCID: 0000-0002-6264-5520
OpenAlex ID: A5110142634
Caffeine-containing energy drink improves sprint performance during an international rugby sevens competition
2013 · Juan Del Coso, Javier Portillo, et al. · Amino Acids · 109
Nativos digitales y modelos de aprendizaje
2007 · Felipe García, Javier Portillo, et al. · 101
Running Demands and Heart Rate Responses in Men Rugby Sevens
2011 · Luis J. Suarez-Arrones, Francisco J. Nuñez, et al. · The Journal of Strength and Conditioning Research · 82
Match-play Activity Profile in Elite Women's Rugby Union Players
2013 · Luis Suarez-Arrones, Javier Portillo, et al. · The Journal of Strength and Conditioning Research · 76
Match Running Performance and Exercise Intensity in Elite Female Rugby Sevens
2011 · Luis Suarez-Arrones, Francisco J. Nuñez, et al. · The Journal of Strength and Conditioning Research · 75
Caffeine-containing energy drink improves physical performance of elite rugby players during a simulated match
2012 · Juan Del Coso, Juan A. Ramírez, et al. · Applied Physiology, Nutrition, and Metabolism · 70
Enhancing Physical Performance in Elite Junior Tennis Players With a Caffeinated Energy Drink
2014 · César Gallo-Salazar, Francisco Areces, et al. · International Journal of Sports Physiology and Performance · 69
Comparison of Running Characteristics and Heart Rate Response of International and National Female Rugby Sevens Players During Competitive Matches
2014 · Javier Portillo, José M González-Ravé, et al. · The Journal of Strength and Conditioning Research · 47
Enhancement of High-Intensity Actions and Physical Performance During a Simulated Brazilian Jiu-Jitsu Competition With a Moderate Dose of Caffeine
2015 · Francisco Javier Diaz-Lara, Juan del Coso, et al. · International Journal of Sports Physiology and Performance · 45
Caffeinated Energy Drinks Improve High-Speed Running in Elite Field Hockey Players
2015 · Juan Del Coso, Javier Portillo, et al. · International Journal of Sport Nutrition and Exercise Metabolism · 41
Effects of Caffeine Ingestion on Skill Performance During an International Female Rugby Sevens Competition
2016 · Javier Portillo, Juan Del Coso, et al. · The Journal of Strength and Conditioning Research · 39
A Multi-agent Model to Develop Knowledge Management Systems
2007 · Aurora Vizcaino, Juan Soto, et al. · Hawaii International Conference on System Sciences (HICSS) · 25
Applying Q-methodology to analyse the success factors in GSD
2013 · Aurora Vizcaíno, Félix García, et al. · Information and Software Technology · 24
Impact of Several Matches in a Day on Physical Performance in Rugby Sevens Referees
2013 · Luis Suarez-Arrones, Javier Núñez, et al. · International Journal of Sports Physiology and Performance · 17
Effects of muscular injuries on the technical and physical performance of professional soccer players
2020 · Javier Portillo, Pablo Abián, et al. · The Physician and Sportsmedicine · 12
Influence of Secondary School Students’ Physical Fitness on Sports Performance during an Ultimate Frisbee Competition
2022 · Javier Portillo, Alfredo Bravo-Sánchez, et al. · International Journal of Environmental Research and Public Health · 10
PDF
Movement patterns in under-19 rugby union players: Evaluation of physical demands by playing position
2014 · Javier Portillo, Pablo Abián, et al. · International Journal of Performance Analysis in Sport · 10
Modelling a Knowledge Management System Architecture with INGENIAS Methodology
2006 · Juan Soto, Aurora Vizcaino, et al. · International Conference on Computing (CIC) · 10
Effects of the Comprehensive and Technical Models of Sports Teaching in Secondary School Students
2023 · Javier Portillo, Pablo Abián, et al. · Sustainability · 9
PDF
Impact of hydration on muscle contraction properties of elite competitive wrestlers
2016 · José Manuel García García, Bibiana Calvo, et al. · RUIdeRA - Institutional University Repository (University of Castilla-La Mancha) · 8
Running Demands and Heart Rate Response in Rugby Sevens Referees
2012 · Luis Suarez-Arrones, África Calvo-Lluch, et al. · The Journal of Strength and Conditioning Research · 8
A Two-Layer Multi-agent Architecture to Facilitate Knowledge Sharing within Communities of Practice
2009 · Juan Pablo Soto, Aurora Vizcaino, et al. · INTELIGENCIA ARTIFICIAL · 8
Acute Effect of Oral N-Acetylcysteine Supplementation on Fatigue Effect and Isometric Force Production in Physically Active People
2024 · Alfredo Bravo-Sánchez, Javier Portillo, et al. · Applied Sciences · 1
Beyond the FTO Gene: Environmental and Behavioural Factors Associated with BMI and Overweight in Spanish Adolescents
2026 · Luciana Margara, Inés Piñas-Bonilla, et al. · Children
Flipped Classroom Enhances Physical Demands, Energy Cost, and Academic Performance on Nutrition Concepts in Secondary School
2026 · Javier Portillo, Pablo Abián, et al. · Research Quarterly for Exercise and Sport
Works count: 32
Citation count: 896
H-index: 14
I10-index: 18
Year
Topic
Type