Ochsendorf, D. T., Mattacola, C. G., & Arnold, B. L. (2000). Effect of orthotics on postural sway after fatigue of the plantar flexors and dorsiflexors. Journal of athletic training, 35(1), S. 26-30. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1323434/?page=1

Ochsendorf, David T., Carl G. Mattacola, and Brent L. Arnold. "Effect of Orthotics On Postural Sway After Fatigue of the Plantar Flexors and Dorsiflexors." Journal of Athletic Training 35, no. 1 (2000): S. 26-30.

Ochsendorf, David T., Carl G. Mattacola, and Brent L. Arnold. "Effect of Orthotics On Postural Sway After Fatigue of the Plantar Flexors and Dorsiflexors." Journal of Athletic Training 35.1 (2000): S. 26-30.