Ian Jeffreys

3.3k total citations · 2 hit papers
68 papers, 2.4k citations indexed

About

Ian Jeffreys is a scholar working on Orthopedics and Sports Medicine, Developmental and Educational Psychology and Biomedical Engineering. According to data from OpenAlex, Ian Jeffreys has authored 68 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 43 papers in Orthopedics and Sports Medicine, 18 papers in Developmental and Educational Psychology and 10 papers in Biomedical Engineering. Recurrent topics in Ian Jeffreys's work include Sports Performance and Training (41 papers), Sports injuries and prevention (22 papers) and Sport Psychology and Performance (12 papers). Ian Jeffreys is often cited by papers focused on Sports Performance and Training (41 papers), Sports injuries and prevention (22 papers) and Sport Psychology and Performance (12 papers). Ian Jeffreys collaborates with scholars based in United Kingdom, Brazil and Australia. Ian Jeffreys's co-authors include Avery D. Faigenbaum, Lyle J. Micheli, William J. Kraemer, Thomas Rowland, Cameron J.R. Blimkie, Mike Nitka, Anthony N. Turner, Irineu Loturco, Lucas A. Pereira and Sophia Nimphius and has published in prestigious journals such as PLoS ONE, British Journal of Sports Medicine and International Journal of Environmental Research and Public Health.

In The Last Decade

Ian Jeffreys

67 papers receiving 2.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Youth Resistance Training: Updated Position Statement Paper From the National Strength and Conditioning Association

2009 728 citations Avery D. Faigenbaum, William J. Kraemer et al. The Journal of Strength and Conditioning Research profile →
Position statement on youth resistance training: the 2014 International Consensus

2013 363 citations Rhodri S. Lloyd, Avery D. Faigenbaum et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Ian Jeffreys United Kingdom	22	1.7k	796	466	269	214	68	2.4k
Daniel Castillo Spain	31	2.0k 1.2×	618 0.8×	395 0.8×	199 0.7×	94 0.4×	155	2.4k
Cristian Martínez‐Salazar Chile	24	1.4k 0.8×	469 0.6×	437 0.9×	300 1.1×	270 1.3×	124	2.4k
Javier Yanci Spain	33	2.3k 1.4×	705 0.9×	411 0.9×	358 1.3×	123 0.6×	196	2.7k
Brent A. Alvar United States	25	2.2k 1.3×	714 0.9×	602 1.3×	225 0.8×	283 1.3×	56	3.2k
Jan Bourgois Belgium	30	2.0k 1.2×	756 0.9×	488 1.0×	289 1.1×	227 1.1×	109	3.6k
Mark B.A. De Ste Croix United Kingdom	25	1.9k 1.1×	621 0.8×	438 0.9×	132 0.5×	190 0.9×	45	2.2k
Luis Javier Chirosa Ríos Spain	21	917 0.6×	320 0.4×	384 0.8×	119 0.4×	110 0.5×	169	1.5k
Cristina Cortis Italy	28	1.3k 0.8×	416 0.5×	302 0.6×	215 0.8×	136 0.6×	110	2.1k
Jason Moran United Kingdom	34	2.8k 1.7×	845 1.1×	763 1.6×	407 1.5×	94 0.4×	135	3.3k
Mark De Ste Croix United Kingdom	30	2.1k 1.3×	496 0.6×	426 0.9×	180 0.7×	325 1.5×	98	2.6k

Countries citing papers authored by Ian Jeffreys

Since Specialization

Citations

This map shows the geographic impact of Ian Jeffreys's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ian Jeffreys with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ian Jeffreys more than expected).

Fields of papers citing papers by Ian Jeffreys

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ian Jeffreys. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ian Jeffreys. The network helps show where Ian Jeffreys may publish in the future.

Co-authorship network of co-authors of Ian Jeffreys

This figure shows the co-authorship network connecting the top 25 collaborators of Ian Jeffreys. A scholar is included among the top collaborators of Ian Jeffreys based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ian Jeffreys. Ian Jeffreys is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Isenmann, Eduard, Steffen Held, Stephan Geisler, et al.. (2024). The effect of the menstrual cycle phases on back squat performance, jumping ability and psychological state in women according to their level of performance -a randomized three-arm crossover study. BMC Sports Science Medicine and Rehabilitation. 16(1). 224–224. 4 indexed citations

Freitas, Tomás T., Ian Jeffreys, Valter P. Reis, et al.. (2021). Multidirectional sprints in soccer: are there connections between linear, curved, and change-of-direction speed performances?. The Journal of Sports Medicine and Physical Fitness. 61(2). 212–217. 8 indexed citations

Moreira, Osvaldo Costa, Dihogo Gama de Matos, Sandro Fernandes da Silva, et al.. (2021). Acute effect of stretching prior to resistance training on morphological, functional and activation indicators of skeletal muscle in young men. Sport Sciences for Health. 18(1). 193–202. 3 indexed citations

Almeida‐Neto, Paulo Francisco de, Dihogo Gama de Matos, Ian Jeffreys, et al.. (2020). Equation for analyzing the peak power in aquatic environment: An alternative for olympic rowing athletes. PLoS ONE. 15(12). e0243157–e0243157. 8 indexed citations

Loturco, Irineu, Lucas A. Pereira, Tomás T. Freitas, et al.. (2019). Maximum acceleration performance of professional soccer players in linear sprints: Is there a direct connection with change-of-direction ability?. PLoS ONE. 14(5). e0216806–e0216806. 81 indexed citations

Loturco, Irineu, Chris Bishop, Tomás T. Freitas, Lucas A. Pereira, & Ian Jeffreys. (2019). Vertical Force Production in Soccer: Mechanical Aspects and Applied Training Strategies. Strength and conditioning journal. 42(2). 6–15. 30 indexed citations

Jeffreys, Ian, et al.. (2017). Delivering a Gamespeed-Focused Speed and Agility Development Program in an English Premier League Soccer Academy. Strength and conditioning journal. 40(3). 23–32. 33 indexed citations

Nikolaidis, Pantelis Τ., Jørgen Ingebrigtsen, & Ian Jeffreys. (2016). The effects of anthropometry and leg muscle power on drive and transition phase of acceleration: a longitudinal study on young soccer players.. PubMed. 56(10). 1156–1162. 7 indexed citations

Read, Paul, et al.. (2016). Characteristics and experiences of interns in strength and conditioning. Journal of Sports Sciences. 35(3). 269–276. 11 indexed citations

10.

Sheppard, Jeremy M., et al.. (2014). Broadening The View Of Agility: A Scientific Review Of The Literature. Australasian Journal of Paramedicine. 38 indexed citations

11.

Rajabi, Hamid, et al.. (2013). Anthropometry of World-Class Elite Handball Players According to the Playing Position: Reports From Men's Handball World Championship 2013. Journal of Human Kinetics. 39(1). 213–220. 48 indexed citations

12.

Lloyd, Rhodri S., Paul Read, Jon L. Oliver, et al.. (2013). Considerations for the Development of Agility During Childhood and Adolescence. Australasian Journal of Paramedicine. 35(3). 2–11. 70 indexed citations

13.

Jeffreys, Ian, et al.. (2012). Eco-driving in the Australian context. Transport Research Forum. 1 indexed citations

14.

Ingebrigtsen, Jørgen, et al.. (2012). Physical Characteristics and Abilities of Junior Elite Male and Female Handball Players. The Journal of Strength and Conditioning Research. 27(2). 302–309. 55 indexed citations

15.

Turner, Anthony N. & Ian Jeffreys. (2010). The Stretch-Shortening Cycle: Proposed Mechanisms and Methods for Enhancement. Strength and conditioning journal. 32(4). 87–99. 177 indexed citations

16.

Faigenbaum, Avery D., William J. Kraemer, Cameron J.R. Blimkie, et al.. (2009). Youth Resistance Training: Updated Position Statement Paper From the National Strength and Conditioning Association. The Journal of Strength and Conditioning Research. 23(Supplement 5). S60–S79. 728 indexed citations breakdown →

17.

Jeffreys, Ian. (2008). Movement Training for Field Sports: Soccer. Strength and conditioning journal. 30(4). 19–27. 17 indexed citations

18.

Jeffreys, Ian. (2006). The use of the Nominal Group Technique for eliciting opinion for policy evaluation. Organic Eprints (International Centre for Research in Organic Food Systems, and Research Institute of Organic Agriculture).

19.

Jeffreys, Ian. (2004). The Use of Small-Sided Games in the Metabolic Training of High School Soccer Players. Strength and conditioning journal. 26(5). 77–77. 13 indexed citations

20.

Jeffreys, Ian. (2004). A System for Monitoring Training Stress and Recovery in High School Athletes. Strength and conditioning journal. 26(3). 28–28. 6 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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