Spanias, C., Kirk, C., & Ovretveit, K. (2022). Position before submission? Techniques and tactics in competitive no-gi Brazilian jiu-jitsu. Revista de Artes Marciales Asiáticas, 17 (2), 130-139. http://doi.org/10.18002/rama.v17i2.7410
Kirk, C., Malone, J., & Angell, P. (2022). Intra-unit reliability and movement variability of submission grappling external load as measured by torso mounted accelerometery. Biology of Sport, 40 (2), 457-464. http://doi.org/10.5114/biolsport.2023.114287
Kirk, C., Langan-Evans, C., Clark, D.R., & Morton, J.P. (2021). Quantification of training load distribution in mixed martial arts athletes: A lack of periodisation and load management. PLOS ONE, 16 (5). http://doi.org/10.1371/journal.pone.0251266
White, T., & Kirk, C. (2021). Pre-competition body mass loss characteristics of Brazilian jiu-jitsu competitors in the United Kingdom. Nutrition and Health. http://doi.org/10.1177/0260106020983800
Kirk, C., Clark, D.R., Langan-Evans, C., & Morton, J.P. (2020). The physical demands of mixed martial arts: A narrative review using the ARMSS model to provide a hierarchy of evidence. Journal of sports sciences, 38 (24), 2819-2841. http://doi.org/10.1080/02640414.2020.1802093
Kirk, C., Langan-Evans, C., & Morton, J.P. (2020). Worth the Weight? Post Weigh-In Rapid Weight Gain is Not Related to Winning or Losing in Professional Mixed Martial Arts. International journal of sport nutrition and exercise metabolism, 30 (5), 357-361. http://doi.org/10.1123/ijsnem.2019-0347
Kirk, C., Atkins, S., & Hurst, H.T. (2020). The pacing of mixed martial arts sparring bouts: A secondary investigation with new analyses of previous data to support accelerometry as a potential method of monitoring pacing. Human Movement, 21 (4), 88-96. http://doi.org/10.5114/hm.2020.94194
Vasconcelos, B.B., Protzen, G.V., Galliano, L.M., Kirk, C., & Del Vecchio, F.B. (2020). Effects of High-Intensity Interval Training in Combat Sports: A Systematic Review with Meta-Analysis. Journal of strength and conditioning research, 34 (3), 888-900. http://doi.org/10.1519/jsc.0000000000003255
Kirk, C. (2018). The relationship between age and divisional rank in professional mixed martial arts. Facta Universitatis, Series: Physical Education and Sport, 16 (1), 073. http://doi.org/10.22190/fupes180329007k
Kirk, C. (2018). Does anthropometry influence technical factors in competitive mixed martial arts? Human Movement, 19 (2), 46-59. http://doi.org/10.5114/hm.2018.74059
Kirk, C. (2016). Does Stature or Wingspan Length Have a Positive Effect on Competitor Rankings or Attainment of World Title Bouts in International and Elite Mixed Martial Arts? Sport Science Review, 25 (5-6), 334-349. http://doi.org/10.1515/ssr-2016-0018
Kirk, C. (2016). The influence of age and anthropometric variables on winning and losing in professional mixed martial arts. Facta Universitatis Series : Physical Education and Sport, 14 (2), 227-236.
Kirk, C., Hurst, H., & Atkins, S. (2015). Comparison of the training loads of mixed martial arts techniques in isolated training and open sparring. Journal of Combat Sports and Martial Arts, 6 (1), 15-20. http://doi.org/10.5604/20815735.1174226
Kirk, C., Hurst, H.T., & Atkins, S. (2015). Measuring the Workload of Mixed Martial Arts using Accelerometry, Time Motion Analysis and Lactate. International Journal of Performance Analysis in Sport, 15 (1), 359-370. http://doi.org/10.1080/24748668.2015.11868798
Stephen Atkins, H.T.H. (n.d.). Reliability of a Portable Accelerometer for Measuring Workload during Mixed Martial Arts. Journal of Athletic Enhancement, 03 (05). http://doi.org/10.4172/2324-9080.1000172
Weldon, A., Cloak, R., Kirk, C., Ruddock, A., Langan-Evans, C., Detanico, D., ... Kons, R. (n.d.). Strength and conditioning (S&C) practices of judo athletes and S&C coaches: a survey-based investigation. Journal of Strength and Conditioning Research.
Kirk, C., Langan-Evans, C., Clark, D., & Morton, J. (n.d.). The relationships between external and internal training loads in mixed martial arts. International Journal of Sports Physiology and Performance.
Kirk, C., Langan-Evans, C., Clark, D., & Morton, J. (2022). Influence of cardiorespiratory fitness on performance in simulated mixed martial arts bouts (Poster and abstract) – Runner up for ECR Best Poster Presentation Award. In The Physiological Society: The Biomedical Basis of Elite Performance 2022, Nottingham, 12 April 2022 - 13 April 2022.
Kirk, C., Langan-Evans, C., Clark, D., & Morton, J. (2021). The relationships between external and internal training loads in mixed martial arts (Oral presentation and abstract) - Awarded BASES Conference Grant: Sport and Performance Division. In BASES Conference 2021, Online, 16 November 2021 - 18 November 2021.
Kirk, C., Langan-Evans, C., Clark, D., & Morton, J. (2021). Exploratory factor analysis of relationships between latent training load and overreaching variables in mixed martial arts (Poster and abstract). In The Physiological Society: Future Physiology 2021, Online, 19 April 2021 - 21 April 2021.
Kirk, C., Langan-Evans, C., Clark, D., & Morton, J. (2020). The perceived intensities and distribution of training modes in mixed martial arts (Poster and abstract). In UKSCA Conference 2020, Online.
Kirk, C., Langan-Evans, C., Clark, D., & Morton, J. (2020). The training characteristics, loads and effects of mixed martial arts (Oral presentation). In ACSM Combat Sport Special Interest Group Conference 2020, Online, 4 May 2020.
Kirk, C., Langan-Evans, C., Clark, D., & Morton, J. (2019). The relationship between training variables and sleep quality amongst mixed martial arts competitors (Poster and abstract). In The Physiological Society: Future Physiology 2019, Liverpool, 2019 - 2019.
Kirk, C., Clark, D., Langan-Evans, C., & Morton, J. (2019). An exploratory case study examining the training loads and effects of mixed martial arts competition preparation (Oral presentation and abstract). In BASES Conference 2019, Leicester, 19 November 2019 - 20 November 2019.
Kirk, C., Langan-Evans, C., Clark, D., & Morton, J. (2022). Body composition changes but no physiological adaptations following a mixed martial arts pre-competition training camp (Oral presentation and abstract). In BASES Conference 2022, Leicester, 15 November 2022 - 16 November 2022.