OOIR: Observatory of International Research

Papers

(The H4-Index of Biology of Sport is 25. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-10-01 to 2025-10-01.)

Article	Citations
A comparison in knee flexor and extensor strength following ACL reconstruction in international, male soccer players receiving patellar tendon or hamstrings grafts	461
Relative age effect across the talent identification process of youth female soccer players in the United States: Influence of birth year, position, biological maturation, and skill level	69
Caffeine supplementation improves physical performance without affecting fatigue level: a double-blind crossover study	58
Does the Paleo diet affect an athlete’s health and sport performance?	48
A comprehensive assessment of caffeine’s effects on components of countermovement jump performance	48
Laboratory-based determinants of simulated time trial performance in cyclists	47
Different pitch configurations constrain the external and internal loads of young professional soccer players during transition games	43
Analysis of mental and physical fatigue over the course of a professional English Premier League season in outfield players	40
A novel multifactorial hamstring screening protocol: association with hamstring muscle injuries in professional football (soccer) – a prospective cohort study	37
Relationships between training dose and record power outputs in professional road cyclists: insights and threats to validity	37
A comparison of running and contact loads in U18 and U20 international rugby union competition	37
Movement patterns and player load: insights from professional padel	34
Comparison of the external load of professional goalkeepers in different weekly training sessions	33
Association between polymorphism rs6295 of HTR1A serotonin receptor gene and personality traits among athletes of combat sport	33
Application of acute pre-exercise partial-body cryotherapy promotes jump performance, salivary-amylase and athlete readiness	33
Are EFI data valuable? Evidence from the 2022 FIFA World Cup group stage	32
Return to performance: machine learning insights into how absence time following muscle injuries affects match running performance in LaLiga soccer players	31
Core training and performance: a systematic review with meta-analysis	30
Effects of daily use of intermittent pneumatic compression in competitive handball players: A randomized controlled trial	30
Ten-minute warm-up in hot climate best assists thermal comfort, muscular power output, and fatigue, during soccer-specific repeated-sprint ability	29
A professional assessment of training plans for muscle hypertrophy and maximal strength developed by generative artificial intelligence	26
Comparison of the worst-case scenarios between training and competition weeks for each playing position in an elite football season	26
The effect of two sessions of combined jump and sprint training per week on fitness parameters in soccer players. A randomized controlled trial	25
Small-sided games in amateur players: rule modification with mini-goals to induce lower external load responses	25
International matches elicit stable mechanical workload in high-level female ice hockey	25