Posture Noise and the Measured Probability to Fall
Koleva, Radostina K. · Widom, A. · Garelick, D. · Harris, Meridith · Spinelli, Bryan A. · Finn, Amanda E. · Bonner, Kellie · White, S. · Daryanana, Vijay · Nyatsambo, P. · Patel, M. · Sampson, R.
Original · EN
Experimental evidence is presented connecting small fluctuations in the posture of a quiet standing subject and the probability that the subject will have an accidental fall within a time period of one year. The data can be understood on the basis of random velocity fluctuations providing kinetic energy in dynamical posture modes. The kinetic energy can activate a transition over the a potential energy barrier which keeps subjects in a metastable standing mode. The probability for a fall then follows an Arrhenius activation law.
English translation
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