Abstract
Postural stabilization is provided by stretch reflexes, intermuscular reflexes, and intrinsic muscle properties. Taken together, these posture-stabilizing mechanisms resist deflections from the posture at which balance of muscle and external forces is maintained. Empirical findings suggest that for each muscle, these mechanisms become functional at a specific, spatial threshold—the muscle length or respective joint angle at which motor units begin to be recruited. Empirical data suggest that spinal and supraspinal centers can shift the spatial thresholds for a group of muscles that stabilized the initial posture. As a consequence, the same stabilizing mechanisms, instead of resisting motion from the initial posture, drive the body to another stable posture. In other words by shifting spatial thresholds, the nervous system converts movement resisting to movement-producing mechanisms. It is illustrated that, contrary to conventional view, this control strategy allows the system to transfer body balance to produce locomotion and other actions without loosing stability at any point of them. It also helps orient posture and movement with the direction of gravity. It is concluded that postural and movement stability is provided by a common mechanism.
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References
Asatryan DG, Feldman AG (1965) Functional tuning of the nervous system with control of movement or maintenance of a steady posture: I. Mechanographic analysis of the work of the joint on execution of a postural task. Biophysics 10:925–934
Cullen KE (2004) Sensory signals during active versus passive movement. Curr Opin Neurobiol 14: 698–706
Feldman AG (1986) Once more on the equilibrium-point hypothesis (lambda model) for motor control. J Mot Behav 18:17–54
Feldman AG (2011) Space and time in the context of equilibrium-point theory. Wiley Interdiscip Rev Cogn Sci 2(3):287–304
Feldman AG (2015) Referent control of action and perception: challenging conventional theories in behavioral neuroscience. Springer, New York
Feldman AG, Krasovsky T, Banina MC, Lamontagne A, Levin MF (2011) Changes in the referent body location and configuration may underlie human gait, as confirmed by findings of multi-muscle activity minimizations and phase resetting. Exp Brain Res 210:91–115
Gallistel CR (1980) The organization of action: a new synthesis. Lawrence Erlbaum Associates, Inc, Hillsdale, p 432
Glansdorff P, Prigogine I (1971) Thermodynamics theory of structure, stability and fluctuations. Wiley-Interscience, London
Granit R (1955) Receptors and sensory perception. Yale University Press, New Haven
Henneman E, Somjen G, Carpenter DO (1965) Functional significance of cell size in spinal motoneurons. J Neurophysiol 28:560–580
Hollerbach JM (1982) Computers, brains, and the control of movement. Trends Neurosci 5:189–192
Horak F, Diener H, Nashner L (1989) Influence of central set on human postural responses. J Neurophysiol 62:841–853
Kanda K, Burke RE, Walmsley B (1977) Differential control of fast and slow twitch motor units in the decerebrate cat. Exp Brain Res 8:57–74
Krasovsky T, Lamontagne A, Feldman AG, Levin MF (2014) Effects of walking speed on gait stability and interlimb coordination in younger and older adults. Gait Posture 39:378–385
Lackner JR, Dizio P (1994) Rapid adaptation to Coriolis force perturbations of arm trajectory. J Neurophysiol 72:299–313
Matthews PB (1981) Evolving views on the internal operation and functional role of the muscle spindle. J Physiol 320:1–30
Mattos D, Schoner G, Zatsiorsky VM, Latash ML (2015) Motor equivalence during multi-finger accurate force production. Exp Brain Res 233:487–502
McCloskey DI (1978) Corollary discharges: motor commands and perception. In: Brooks V (ed) Handbook of physiology, motor control, vol 2. American Physiological Society, Bethesda, MD, pp 1415–47
Nashner LM (1976) Adapting reflexes controlling the human posture. Exp Brain Res 26:59–72
Pilon JF, Feldman AG (2006) Threshold control of motor actions prevents destabilizing effects of proprioceptive delays. Exp Brain Res 174:229–239
Proske U, Gandevia SC (2009) The kinaesthetic senses. J Physiol 587(Pt 17):4139–4146
Schieppati M, Nardone A (1995) Time course of ‘set’-related changes in muscle responses to stance perturbation in humans. J Physiol 487:787–796
Sperry RW (1950) Neural basis of the spontaneous optokinetic response produced by visual inversion. J Comp Physiol Psychol 43:482–489
Steinbuch J (1811). Beytrag Zur Physiologie Der Sinne (Contribution to the Physiology of Senses). Verlag, Nuremberg, p 408
von Helmholtz H (1866) Handbuch der Physiologischen Optik. Voss, Leipzig
Von Holst H (1954) Relations between the central nervous system and the peripheral organs. Br J Anim Behav 2:89–94
Von Holst E, Mittelstaedt H (1950/1973) Das reafferezprincip. Wechselwirkungen zwischen Zentralnerven-system und Peripherie, Naturwissenschaften 37: 467–476 (The reafference principle. In: Martin R (Trans), The behavioral physiology of animals and man. The collected papers of Erich von Holst. University of Miami Press, Coral Gables, FL, pp 139–173, 176–209)
von Uexküll J (1926) Theoretical Biology. Harcourt, Brace & Co, New York
Wolpert DM, Kawato M (1998) Multiple paired forward and inverse models for motor control. Neural Netw 11(7–8):1317–1329
Zhang L, Straube A, Eggert T (2016) Under threshold position control, peripheral mechanisms compensate efficiently for small perturbations of arm movements. Mot Control 20:87–108
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Supported by NSERC (Canada).
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Feldman, A.G. (2016). The Relationship Between Postural and Movement Stability. In: Laczko, J., Latash, M. (eds) Progress in Motor Control. Advances in Experimental Medicine and Biology, vol 957. Springer, Cham. https://doi.org/10.1007/978-3-319-47313-0_6
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DOI: https://doi.org/10.1007/978-3-319-47313-0_6
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