Dear Thomas,

See the following articles, maybe help you.

Athanasios, L. (2005). Communication problems in professional sports: the case of Greece. Corporate Communications: An International Journal, 10(3), 252–256. http://doi.org/10.1108/13563280510614500

Haselwood, D. M., Joyner, a B., Burke, K. L., Geyerman, C. B., & Al, E. (2005). Female Athletes’ Perceptions of Head Coaches' Communication Competence. Journal of Sport Behavior, 28(3), 216–230. Retrieved from http://search.proquest.com/docview/215872049?accountid=43826

Glang, A., Koester, M. C., Beaver, S. V., Clay, J. E., & McLaughlin, K. A. (2010). Online training in sports concussion for youth sports coaches. International Journal of Sports Science & Coaching, 5(1), 1–12. http://doi.org/10.1260/1747-9541.5.1.1

Smoll, F. L., Cumming, S. P., & Smith, R. E. (2011). Enhancing coach–parent relationships in youth sports: Increasing harmony and minimizing hassle. International Journal of Sports Science and Coaching, 6(1), 13–27. http://doi.org/10.1260/1747-9541.6.1.13

Covassin, T., Elbin, R. J., & Sarmiento, K. (2012). Educating Coaches About Concussion in Sports: Evaluation of the CDC’s “Heads Up: Concussion in Youth Sports” Initiative. Journal of School Health, 82(5), 233–238. http://doi.org/10.1111/j.1746-1561.2012.00692.x

Moen, F., & Kvalsund, R. (2014). Subjective beliefs among sport coaches about communication during coach-athlete conversations. Innovative Writings in Sport and Exercise Psychology.

Reade, I., Rodgers, W., & Hall, N. (2008). Knowledge Transfer: How do High Performance Coaches Access the Knowledge of Sport Scientists? International Journal of Sports Science and Coaching, 3(3), 319–334. http://doi.org/10.1260/174795408786238470

Olusoga, P., Butt, J., Hays, K., & Maynard, I. (2009). Stress in elite sports coaching: identifying stressors. Journal of Applied Sport Psychology, 21(4), 442–459. http://doi.org/10.1080/10413200903222921

Borggrefe, C., & Cachay, K. (2013). Communicative challenges of coaches in an elite-level sports system. Theoretical reflections on successful coaching strategies. EJSS European Journal for Sport and Society, 10(1), 7–29.

Eccles, D. W., & Tran, K. B. (2012). Getting Them on the Same Page: Strategies for Enhancing Coordination and Communication in Sports Teams. Journal of Sport Psychology in Action, 3(March 2015), 30–40. http://doi.org/10.1080/21520704.2011.649229

Ruggiero, T. F., & Lattin, K. S. (2008). Intercollegiate female coaches’ use of verbally aggressive communication toward African American female athletes. Howard Journal of Communications, 19(2), 105–124. http://doi.org/10.1080/10646170801990946