Lab Research

​PEER-REVIEWED ARTICLES

1. Lorenco-Lima, L., Rosario, D., Bacurau, R.F.P., Andreato, L.V., & Gaines, S.A. (2026). Psychological Characteristics of Beginner and Advanced Judokas. Journal of Human Sport and Exercise, 

2. Lorenço-Lima, L., Coimbra, D.R., & Andreato, L.V. (2025). Mental Strength, Resilience, and Grit in Combat Sports: Comparing Practitioners, Non-Practitioners, and Competitors. International Journal of Sport and Exercise Psychology, 1-12. https://doi.org/10.1080/1612197X.2025.2584548

3. Lorenço-Lima, L., Gaines, S. A., & Waterbury, E. M.(2025). Aggression, Self-Control, Life Satisfaction, and Resilience as Predictors of Mental Health in Brazilian Jiu-Jitsu Athletes. Frontier in Sports and Active Living, 7, 1692536. https://doi.org/10.3389/fspor.2025.1692536

4. Lorenço-Lima, L., Waterbury, E. M., & Gaines, S. A. (2025). Mental Strength Scale (MSS-9): Factor structure and reliability. Journal of Human Sport and Exercise, 20(4), 1413-1426. https://doi.org/10.55860/4zqnaq61

5. Lorenco-Lima, L., Gaines, S. A., & Waterbury, E. M. (2025). Rank-Based Psychological Characteristics in Brazilian Jiu-Jitsu Athletes: Mental Strength, Resilience, Grit, Self-Efficacy, Self-Control, Aggression, Life Satisfaction, and Mental Health. Journal of Functional Morphology and Kinesiology, 10(2), 100. https://doi.org/10.3390/jfmk10020100

6. Lorenco-Lima, L., Rosario, D., & Gaines, S. (2025). Comparative analyses of psychological and training characteristics in judo competitors and non-competitors: Mental strength, self-efficacy, grit, resilience, self-control, aggression, mental health, and life satisfaction. Journal of Physical Education & Sport, 25(7). http://doi.org/10.7752/jpes.2025.07147

7. Lorenço-Lima, L. (2024). Mental strength assessment in combat sports practitioners and non-practitioners. Journal of Human Sport and Exercise, 19(2), 473-482. https://doi.org/10.55860/gr2sf103

8. Lorenço-Lima, L. (2024). The effect of combat sports experience, competition engagement, sex, and age on grit. Journal of Human Sport and Exercise. 2024, 19(1): 130-138. https://doi.org/10.14198/jhse.2024.191.11

9. Lorenco-Lima, L. (2023). Developing a martial arts program to meet the expectations of contemporary parents. International Journal of Martial Arts, 8, 96-112. https://doi.org/10.51222/injoma.2023.03.8.96

10. Lorenço-Lima, L. ., Souza-Junior, T. P., Okuyama, A. R., Mcanulty, S. R., Utter, A. C., Monteiro, T. S., ... & Hirabara, S. (2020). Characterization of Brazilian Jiu-Jitsu training effects on the physical fitness of men and women. Journal of Physical Education & Sport, 20(5), 2990-2995. http://doi.org/10.7752/jpes.2020.s5406

11. Lorenço-Lima, L. D., & Hirabara, S. M. (2013). Efeitos da perda rápida de peso em atletas de combate. Revista Brasileira de Ciências do Esporte, 35, 245-260. https://doi.org/10.1590/S0101-32892013000100018

12. Lorenço-Lima, L., Monteiro, T. S., Barquilha, G., de Barros, M. P., & Hirabara, S. M. (2014). Effect of snorkel use on hemoglobin saturation, heart rate, lactate and glycemia in fighters. Lecturas Educación Física y Deportes, 19, (198). https://www.efdeportes.com/efd198/effect-of-snorkel-use-on-hemoglobin-saturation.htm​

PEER-REVIWED ABSTRACTS

1. Lorenco-Lima, L., Rosario D., Andreato L.V., Bacurau R. F. P., & Gaines, S. A. (2026). Psychological Characteristics of Beginner and Advanced Judokas in the United States. Medicine & Science in Sports & Exercise, 

2. Lorenço-Lima, L., Waterbury, E. M., & Gaines, S. A. (2025). Predictors of Mental Health in Brazilian Jiu-Jitsu Athletes. Association for Applied Sports Psychology 40th Annual Conference. http://doi.org/10.13140/RG.2.2.21671.82081

3. Lorenço-Lima, L., Waterbury, E. M., & Gaines, S. A. (2025). Rank-based Psychological Characteristics Of Brazilian Jiu-Jitsu Athletes. Medicine & Science in Sports & Exercise, 57(10S):56. http://doi.org/10.1249/01.mss.0001159588.04022.00 

4. Lorenço-Lima, L. (2024). Mental Strength, Resilience and Grit in Grapplers, Strikers, Physically Active and Sedentary Individuals. Association for Applied Sports Psychology 39th Annual Conference. http://doi.org/10.13140/RG.2.2.31396.49281

5. Lorenço-Lima, L. (2024). Resilience And Grit In Grapplers, Physically Active And Sedentary Individuals: 3318. Medicine & Science in Sports & Exercise, 56(10S), 779, http://doi.org/10.1249/01.mss.0001059244.38829.e1

6. Lorenço-Lima, L., Monteiro, T. S., Joel, G. B., Pithon Curi, T. C., Pontes Junior, F. L., & Hirabara, S. M. (2014). Exercise intensity and metabolism in Brazilian jiu-jitsu matches. Medicine & Science in Sports & Exercise, 46(5s), 81. http://doi.org/10.1249/01.mss.0000493412.88339.84

7. Lorenço-Lima, L., Monteiro, T. S., Nakama, F. H., Pithon-Curi, T. C., Hatanaka, E., & Hirabara, S. M. (2011). Use of Snorkel During Maximal Physical Activity does not Cause Hemoglobin Desaturation in Fighters. Medicine & Science in Sports & Exercise, 43(5S), 950. http://doi.org/10.1249/01.MSS.0000402654.47280.87

8. Lorenço-Lima, L., Monteiro, T. S., Joel, G. B., Hatanaka, E., & Hirabara, S. M. (2010). Comportamento do dano muscular em uma simulação de competição de jiu-jítsu. In CONGRESSO INTERNACIONAL DE EDUCAÇÃO FÍSICA, ESPORTE E LAZER (Vol. 2, pp. 551-551). http://doi.org/10.13140/RG.2.2.29074.02246

SCALE DEVELOPMENT

1. www.mentalstrengthscale.com