1 Centers for Disease Control and Prevention. (2021, July 29). Products - data briefs - number 415 - July 2021. Centers for Disease Control and Prevention. https://www.cdc.gov/nchs/products/databriefs/db415.htm
2 Grusky, A. Z., Song, A., Kim, P., Ayers, G. D., Higgins, L. D., Kuhn, J. E., Baumgarten, K. M., Matzkin, E., & Jain, N. B. (2021). Factors associated with symptomatic rotator cuff tears. American Journal of Physical Medicine & Rehabilitation, 100(4), 331–336. https://doi.org/10.1097/phm.0000000000001684
3 Djade, C. D., Porgo, T. V., Zomahoun, H. T., Perrault‐Sullivan, G., & Dionne, C. E. (2019). Incidence of shoulder pain in 40 years old and over and associated factors: A systematic review. European Journal of Pain, 24(1), 39–50. https://doi.org/10.1002/ejp.1482
4 van der Windt, D. A., Koes, B. W., Boeke, A. J., Devillé, W., De Jong, B. A., & Bouter, L. M. (1996). Shoulder disorders in general practice: Prognostic indicators of outcome. British Journal of General Practice, 46(410), 519–523.