Athletic skill level is reflected in body sway: A test case for accelometry in combination with stochastic dynamics

Baratto, 2002, A new look at posturographic analysis in the clinical context: sway-density versus other parameterization techniques, Motor Control, 6, 246, 10.1123/mcj.6.3.246 Bressel, 2007, Comparison of static and dynamic balance in female collegiate soccer, basketball, and gymnastics athletes, J Athl Train, 42, 42 Cavanaugh, 2005, A nonlinear dynamic approach for evaluating postural control: new directions for the management of sport-related cerebral concussion, Sports Med, 35, 935, 10.2165/00007256-200535110-00002 Chiari, 2000, An improved technique for the extraction of stochastic parameters from stabilograms, Gait Posture, 12, 225, 10.1016/S0966-6362(00)00086-2 Collins, 1994, Random walking during quiet standing, Phys Rev Lett, 73, 764, 10.1103/PhysRevLett.73.764 de Haart, 2004, Recovery of standing balance in postacute stroke patients: a rehabilitation cohort study, Arch Phys Med Rehabil, 85, 886, 10.1016/j.apmr.2003.05.012 Donker, 2008, Children with cerebral palsy exhibit greater and more regular postural sway than typically developing children, Exp Brain Res, 184, 363, 10.1007/s00221-007-1105-y Donker, 2007, Regularity of center-of-pressure trajectories depends on the amount of attention invested in postural control, Exp Brain Res, 181, 1, 10.1007/s00221-007-0905-4 Geurts, 2005, A review of standing balance recovery from stroke, Gait Posture, 22, 267, 10.1016/j.gaitpost.2004.10.002 Goldberger, 1996, Non-linear dynamics for clinicians: chaos theory, fractals, and complexity at the bedside, Lancet, 347, 1312, 10.1016/S0140-6736(96)90948-4 Hageman, 1995, Age and gender effects on postural control measures, Arch Phys Med Rehabil, 76, 961, 10.1016/S0003-9993(95)80075-1 Helbostad, 2004, Short-term repeatability of body sway during quiet standing in people with hemiparesis and in frail older adults, Arch Phys Med Rehabil, 85, 993, 10.1016/j.apmr.2003.07.020 Kamen, 1998, An accelerometry-based system for the assessment of balance and postural sway, Gerontology, 44, 40, 10.1159/000021981 Michielsen, 2007 Moe-Nilssen, 2002, Trunk accelerometry as a measure of balance control during quiet standing, Gait Posture, 16, 60, 10.1016/S0966-6362(01)00200-4 Newell, 1993, On postural variability and stability, Gait Posture, 4, 225, 10.1016/0966-6362(93)90050-B Peng, 1995, Quantification of scaling exponents and crossover phenomena in nonstationary heartbeat time series, Chaos, 5, 82, 10.1063/1.166141 Pincus, 1991, Approximate entropy as a measure of system complexity, Proc Natl Acad Sci U S A, 88, 2297, 10.1073/pnas.88.6.2297 Radebold, 2001, Impaired postural control of the lumbar spine is associated with delayed muscle response times in patients with chronic ideopathic low back pain, Spine, 26, 724, 10.1097/00007632-200104010-00004 Raymakers, 2005, The assessment of body sway and the choice of the stability parameter(s), Gait Posture, 21, 48, 10.1016/j.gaitpost.2003.11.006 Richman, 2000, Physiological time-series analysis using approximate entropy and sample entropy, Am J Physiol Heart Circ Physiol, 278, H2039, 10.1152/ajpheart.2000.278.6.H2039 Riley, 2005, Effects of visual and auditory short-term memory tasks on the spatiotemporal dynamics and variability of postural sway, J mot behav, 37, 311, 10.3200/JMBR.37.4.311-324 Riley, 1999, Recurrence quantification analysis of postural fluctuations, Gait Posture, 9, 65, 10.1016/S0966-6362(98)00044-7 Roerdink, 2006, Dynamical structure of center-of-pressure trajectories in patients recovering from stroke, Exp Brain Res, 174, 256, 10.1007/s00221-006-0441-7 Rogind, 2003, Postural sway in normal subjects aged 20–70 years, Clin Physiol Funct Imaging, 23, 171, 10.1046/j.1475-097X.2003.00492.x Rosenstein, 1993, A practical method for calculating largest Lyapunov exponents from small data sets, Physica D, 65, 117, 10.1016/0167-2789(93)90009-P Rosnow, 2000, Contrasts and correlations in effect-size estimation, Psychol Sci, 11, 446, 10.1111/1467-9280.00287 Schmit, 2005, Dynamic patterns of postural sway in ballet dancers and track athletes, Exp Brain Res, 163, 370, 10.1007/s00221-004-2185-6 Schmit, 2006, Deterministic center of pressure patterns characterize postural instability in Parkinson's disease, Exp Brain Res, 168, 357, 10.1007/s00221-005-0094-y Theiler, 1992, Testing for nonlinearity in time series: the method of surrogate data, Physica D, 58, 77, 10.1016/0167-2789(92)90102-S Vuillerme, 2001, The effect of expertise in gymnastics on postural control, Neurosci Lett, 303, 83, 10.1016/S0304-3940(01)01722-0 Vuillerme, 2007, How attentional focus on body sway affects postural control during quiet standing, Psychol Res, 71, 192, 10.1007/s00426-005-0018-2 Goldberger, 2000, PhysioBank, PhysioToolkit, and PhysioNet: components of a new research resource for complex physiologic signals, Circulation, 101, E215, 10.1161/01.CIR.101.23.e215