John E. A. Bertram

7.9k total citations · 1 hit paper
120 papers, 5.9k citations indexed

About

John E. A. Bertram is a scholar working on Biomedical Engineering, Orthopedics and Sports Medicine and Equine. According to data from OpenAlex, John E. A. Bertram has authored 120 papers receiving a total of 5.9k indexed citations (citations by other indexed papers that have themselves been cited), including 61 papers in Biomedical Engineering, 20 papers in Orthopedics and Sports Medicine and 17 papers in Equine. Recurrent topics in John E. A. Bertram's work include Robotic Locomotion and Control (42 papers), Veterinary Equine Medical Research (17 papers) and Lower Extremity Biomechanics and Pathologies (15 papers). John E. A. Bertram is often cited by papers focused on Robotic Locomotion and Control (42 papers), Veterinary Equine Medical Research (17 papers) and Lower Extremity Biomechanics and Pathologies (15 papers). John E. A. Bertram collaborates with scholars based in United States, Canada and Australia. John E. A. Bertram's co-authors include R. E. Kalman, Andrew A. Biewener, Andy Ruina, Sharon M. Swartz, David V. Lee, John M. Gosline, Manoj Srinivasan, Rory J. Todhunter, A. Gutmann and P. Sarachik and has published in prestigious journals such as Nature, PLoS ONE and Scientific Reports.

In The Last Decade

John E. A. Bertram

119 papers receiving 5.5k 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.

Control System Analysis and Design Via the “Second Method” of Lyapunov: I—Continuous-Time Systems

1960 537 citations John E. A. Bertram et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
John E. A. Bertram United States	39	1.7k	1.0k	995	594	593	120	5.9k
R. McN. Alexander United Kingdom	57	4.6k 2.7×	2.3k 2.3×	468 0.5×	393 0.7×	403 0.7×	138	11.5k
Alan M. Wilson United Kingdom	59	2.6k 1.5×	3.9k 3.8×	144 0.1×	2.3k 3.9×	1.3k 2.2×	215	9.8k
N. C. Heglund Belgium	36	3.3k 2.0×	1.9k 1.8×	110 0.1×	235 0.4×	135 0.2×	55	7.0k
John R. Hutchinson United Kingdom	55	1.7k 1.0×	875 0.9×	120 0.1×	242 0.4×	555 0.9×	235	10.8k
R. McNeill Alexander United Kingdom	25	1.6k 0.9×	794 0.8×	142 0.1×	90 0.2×	165 0.3×	76	4.6k
Reinhard Blickhan Germany	46	6.2k 3.6×	1.7k 1.7×	608 0.6×	63 0.1×	262 0.4×	161	8.5k
Claire T. Farley United States	33	5.0k 2.9×	2.4k 2.4×	225 0.2×	116 0.2×	285 0.5×	37	7.1k
Rodger Kram United States	62	8.2k 4.8×	4.2k 4.2×	217 0.2×	111 0.2×	438 0.7×	145	12.7k
Thomas J. Roberts United States	44	3.6k 2.1×	2.5k 2.5×	98 0.1×	88 0.1×	375 0.6×	141	6.6k
G Cavagna Italy	39	5.4k 3.1×	3.4k 3.4×	134 0.1×	144 0.2×	285 0.5×	123	8.4k

Countries citing papers authored by John E. A. Bertram

Since Specialization

Citations

This map shows the geographic impact of John E. A. Bertram'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 John E. A. Bertram with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John E. A. Bertram more than expected).

Fields of papers citing papers by John E. A. Bertram

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John E. A. Bertram. 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 John E. A. Bertram. The network helps show where John E. A. Bertram may publish in the future.

Co-authorship network of co-authors of John E. A. Bertram

This figure shows the co-authorship network connecting the top 25 collaborators of John E. A. Bertram. A scholar is included among the top collaborators of John E. A. Bertram 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 John E. A. Bertram. John E. A. Bertram 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

Bertram, John E. A., et al.. (2025). The consequence of uneven walking transitory modulation strategies: A simulation-based approach. Journal of Theoretical Biology. 614. 112234–112234. 1 indexed citations

Bertram, John E. A., et al.. (2025). Optimum Push-Off for Uneven Walking Based on the Just-In-Time Strategy: Walking With Interrupted Push-Off Is Mechanically Costly. Journal of Biomechanical Engineering. 147(11).

Croft, James L., et al.. (2021). Evaluating the energetics of entrainment in a human–machine coupled oscillator system. Scientific Reports. 11(1). 15804–15804. 6 indexed citations

Croft, James L., et al.. (2019). The Landscape of Movement Control in Locomotion: Cost, Strategy, and Solution. Frontiers in Psychology. 10. 716–716. 11 indexed citations

Bertram, John E. A., et al.. (2018). Compliant walking appears metabolically advantageous at extreme step lengths. Gait & Posture. 64. 84–89. 6 indexed citations

Bertram, John E. A., et al.. (2017). Reducing gravity takes the bounce out of running. Journal of Experimental Biology. 221(Pt 3). 9 indexed citations

Croft, James L., et al.. (2017). The goal of locomotion: Separating the fundamental task from the mechanisms that accomplish it. Psychonomic Bulletin & Review. 24(6). 1675–1685. 11 indexed citations

Hobbs, Sarah Jane, John E. A. Bertram, & Hilary M. Clayton. (2016). An exploration of the influence of diagonal dissociation and moderate changes in speed on locomotor parameters in trotting horses. PeerJ. 4. e2190–e2190. 20 indexed citations

Bertram, John E. A., et al.. (2014). Domestic cat walking parallels human constrained optimization: Optimization strategies and the comparison of normal and sensory deficient individuals. Human Movement Science. 36. 154–166. 4 indexed citations

10.

Lee, David V., et al.. (2013). A comparative collision-based analysis of human gait. Proceedings of the Royal Society B Biological Sciences. 280(1771). 20131779–20131779. 28 indexed citations

11.

Bertram, John E. A.. (2013). Gait as solution, but what is the problem? Exploring cost, economy and compromise in locomotion. The Veterinary Journal. 198. e3–e8. 7 indexed citations

12.

Macnab, C.J.B., et al.. (2013). Optimal relative timing of stance push-off and swing leg retraction. 3616–3623. 14 indexed citations

13.

Cooper, Ryan C., et al.. (2007). Step length and required friction in walking. Gait & Posture. 27(4). 547–551. 25 indexed citations

14.

Todhunter, Rory J., John E. A. Bertram, Scott K. Smith, et al.. (2003). Effect of Dorsal Hip Loading, Sedation, and General Anesthesia on the Dorsolateral Subluxation Score in Dogs. Veterinary Surgery. 32(3). 196–205. 17 indexed citations

15.

Usherwood, James R., Susan G. Larson, & John E. A. Bertram. (2003). Mechanisms of force and power production in unsteady ricochetal brachiation. American Journal of Physical Anthropology. 120(4). 364–372. 23 indexed citations

16.

Bertram, John E. A., et al.. (2002). Pace Length Effects in Human Walking: “Groucho” Gaits Revisited. Journal of Motor Behavior. 34(3). 309–318. 10 indexed citations

17.

Bertram, John E. A. & Young‐Hui Chang. (2001). Mechanical energy oscillations of two brachiation gaits: Measurement and simulation. American Journal of Physical Anthropology. 115(4). 319–326. 41 indexed citations

18.

Bertram, John E. A. & Andy Ruina. (2001). Multiple Walking Speed–frequency Relations are Predicted by Constrained Optimization. Journal of Theoretical Biology. 209(4). 445–453. 274 indexed citations

19.

Cullinane, Dennis M. & John E. A. Bertram. (2000). The mechanical behaviour of a novel mammalian intervertebral joint. Journal of Anatomy. 197(4). 627–634. 7 indexed citations

20.

Jiang, Chang‐Ming, R. E. Pitt, John E. A. Bertram, & Daniel J. Aneshansley. (1999). Fractal-based image texture analysis of trabecular bone architecture. Medical & Biological Engineering & Computing. 37(4). 413–418. 31 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.

Explore authors with similar magnitude of impact