Howard, J. S., Fazio, M. A., Mattacola, C. G., Uhl, T. L., & Jacobs, C. A. (2011). Structure, sex, and strength and knee and hip kinematics during landing. Journal of athletic training, 46(4), S. 376-385. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3419149/pdf/i1062-6050-46-4-376.pdf

Howard, Jennifer S., Melisa A. Fazio, Carl G. Mattacola, Timothy L. Uhl, and Cale A. Jacobs. "Structure, Sex, and Strength and Knee and Hip Kinematics During Landing." Journal of Athletic Training 46, no. 4 (2011): S. 376-385.

Howard, Jennifer S., et al. "Structure, Sex, and Strength and Knee and Hip Kinematics During Landing." Journal of Athletic Training 46.4 (2011): S. 376-385.