Random Walking during Quiet StandingCollins, J. J.; De Luca, C. J. · Physical Review Letters · 1994

Age-related changes in open-loop and closed-loop postural control mechanismsJ. J. Collins; C. J. Luca; A. Burrows; L. A. Lipsitz · 1995

Upright, correlated random walks: A statistical-biomechanics approach to the human postural control systemCollins, J. J.; De Luca, C. J. · Chaos: An Interdisciplinary Journal of Nonlinear Science · 1995

Open-loop and closed-loop control of posture: A random-walk analysis of center-of-pressure trajectoriesJ. J. Collins; C. J. Luca · 1993

The effects of spaceflight on open-loop and closed-loop postural control mechanisms: human neurovestibular studies on SLS-2J. J. Collins; C. J. Luca; A. E. Pavlik; S. H. Roy; M. S. Emley · 1995