[1] Davids K., Bennett S., Newell K., Movement System Variability, First ed., Human Kinetics, USA, 2006.
[2] Hof A.L., The equations of motion for a standing human reveal three mechanisms for balance, Journal of Biomechanics, 2007; 40: 451-457.
[3] Edwards W.T., Effect of joint stiffness on standing stability, Gait & posture, 2007; 25: 432-439.
[4] Winter D.A., Human balance and posture control during standing and walking, Gait & Posture, 1995; 3: 193-214.
[5] Winter D.A., Patla A.E., Prince F., Ishac M., Gielo-Perczak K., Stiffness control of balance in quiet standing, Journal of Neurophysiology, 1998; 80: 1211-1221.
[6] Johansson R., Magnusson M., Akesson M., Identification of human postural dynamics, IEEE Transactions on Biomedical Engineering, 1988; 35: 858-869.
[7] Maurer C., Peterka R.J., A new interpretation of spontaneous sway measures based on a simple model of human postural control, Journal of Neurophysiology, 2005; 93: 189-200.
[8] Peterka R.J., Postural control model interpretation of stabilogram diffusion analysis, Biol Cybern, 2000; 82: 335-343.
[9] Prieto T.E., Measures of postural steadiness: differences between healthy young and elderly adults, IEEE Transactions on Biomedical Engineering, 1996; 43(9): 956-966.
[10] Chiari L., Rocchi L., Cappello A., Stabilometric parameters are affected by anthropometry and foot placement, Clinical Biomechanics, 2002; 17: 666-677.
[11] Norris J.A., Marsh A.P., Smith I.J., Kohut R.I., Miller M.E., Ability of static and statistical mechanics posturographic measures to distinguish between age and fall risk, Journal of Biomechanics, 2005; 38: 1263-1272.
[12] Raymakers J.A., Samson M.M., Verhaar H.J.J., The assessment of body sway and the choice of the stability parameter(s), Gait & posture, 2005; 21: 48-58.
[13] Collins J.J., DeLuca C.J. Random Walking during Quiet Standing. Physical Review Letters. 1994; 73(5): 764-7.
[14] Collins J.J., DeLuca C.J., Open loop and closed loop control of posture: a random walk analysis of center of pressure trajectories, Experimental Brain Research, 1993; 95: 308-318.
[15] Yamada N., Chaotic swaying of upright posture, Human movement science, 1995; 14: 711-726.
[16] Ladislao L., Fioretti S., Nonlinear analysis of posturographic data, Med Bio Eng Comput, 2007; 45: 679–688.
[17] قماشچی حامد، استکی علی، مطیع نصرآبادی علی، ارزیابی دینامیک حاکم بر سیستم کنترل تعادل حین ایستادن کامل در فرد سالم و بیمار همیپلژی، مجله مهندسی پزشکی زیستی، 1387؛ (2) 2: 95-108.
[18] Newell K.M., Slobounov S.M., Slobounova E.S., Molenaar P.C.M., Stochastic processes in postural center of pressure profiles. Experimental Brain Research, 1997; 113: 158-164.
[19] Riley M.A., Balasubramaniam R., Mitra S., Turvey M.T., Visual influences on center of pressure dynamics in upright posture, Ecological Psychology, 1998; 10(2): 65-91.
[20] Nichols D.S., Balance retraining after stroke using force platform biofeedback, Physical Therapy, 1997; 77(5): 553-558.
[21] Nichols D.S., Glenn T.M., Hutchinson K.J., Changes in mean center of balance during balance testing in young adults, Physical Therapy, 1995; 75(8): 699-706.
[22] DeHaart M., Geurts A.C., Huidekoper S.C., Fasotti L., Limbeek J.V., Recovery of standing balance in postacute stroke patients: A rehabilitation cohort study, Arch Phys Med Rehabil, 2004; 85: 886-895.
[23] Esteki A., Ghomashchi H., Rajabali S., Can linear posturographic measures discriminate healthy subject from CVA patient during quiet standing?, 15th Iranian Conference on Biomedical Engineering, Mashhad, Iran, 2009.
[24] Maki B.E., Holliday P.J., Fernie G.R., Aging and postural control: A comparison of spontaneous and induced sway balance tests, J Amer Geriatr Soc., 1990; 38: 1-9.
[25] Nagy E., Feher-Kiss A., Barnai M., Domjan-Preszner A., Angyan L., Horvath G., Postural control in elderly subjects participating in balance training, Eur J Appl Physiol, 2007; 100: 97-104.
[26] Newell K.M., VanEmmerik R.E.A., Lee D., Sprague R.L., On postural stability and variability, Gait & Posture, 1993; 4: 225-230.
[27] Roerdink M., DeHaart M., Daffertshofer A., Donker S.F., Geurts A.C.H., Beek P.J., Dynamical structure of center of pressure trajectories in patients recovering from stroke, Experimental Brain Research, 2006; 174: 256–269.
[28] Schmit J.M., Riley M.A., Dalvi A., Sahay A., Shear P.K., Shockley K.D., Pun R.Y.K., Deterministic center of pressure patterns characterize postural instability in Parkinson’s disease, Experimental Brain Research, 2006; 168: 357-367.
[29] Pascolo P.B., Marini A., Carniel R., Barazza F., Posture as a chaotic system and an application to the Parkinsons disease, Chaos, Solitons and Fractals, 2005; 24: 1343-1346.
[30] Cavanaugh J.T., Guskiewicz K.M., Giuliani C., Marshall S., Mercer V., Stergiou N., Detecting altered postural control after cerebral concussion in athletes with normal postural stability, Br J Sports Med, 2005; 39: 805-811.
[31] Cavanaugh J.T., Guskiewicz K.M., Giuliani C., Marshall S., Mercer V.S., Stergiou N., Recovery of postural control after cerebral concussion: new insights using approximate entropy, Journal of Athletic Training, 2006; 41(3): 305-313.
[32] Cavanaugh J.T., Mercer V.S., Stergiou N., Approximate entropy detects the effect of a secondary cognitive task on postural control in healthy young adults: a methodological report, Journal of NeuroEngineering and Rehabilitation, 2007; 4(42): 1-7.
[33] رجبعلی ساناز، ارزیابی شاخصهای تعادلی خطی وضعیت ایستاده در بیماران سکته مغزی همیپلژی و بررسی روند بهبود بیماران در دو گروه با و بدون تمرینات تعادلی، پایان نامه کارشناسی ارشد مهندسی پزشکی- بیومکانیک، دانشکده مهندسی پزشکی، واحد علوم و تحقیقات؛ دانشگاه آزاد اسلامی، 1388.
[34] NeuroCom Internatinal Inc., EquiTest System Version 8.0, Operator's Manual, Clackamas, Oregon; 2001.
[35] Shumway-Cook A., Woollacott M.H., Motor control: Translating research into clinical practice, Third ed., Lippincott Williams & Wilkins, USA, 2006.