Introduction. Chapters: I. The Techniques of the Study of Movement (N. Bernstein). Ia. The Unit of Analysis (R.B. Wilberg). Ib. On Methodology in the Study of Human Movement (H.J. Woltring). II. The Problem of the Interrelation of Coordination and Localization (N. Bernstein). IIa. Frequency Encoding in Motor Systems (K.H. Pribram, A. Sharafat and G.J. Beekman). IIb. From Action Gestalts to Direct Action (E.S. Reed). III. Biodynamics of Locomotion (N. Bernstein). IIIa. How Control of Movement Developments (C. Trevarthen). IIIb. Biodynamics of Locomotion, Forty Years Later (R.H. Rozendal). IV. Some Emergent Problems of the Regulation of Motor Acts (N. Bernstein). IVa. An Ecological Approach to Perception and Action (M.T. Turvey and P.N. Kugler). IVb. Some Computational Solutions to Bernstein's Problems (G. Hinton). V. Trends and Problems in the Study of Investigation of Physiology of Activity (N. Bernstein). Va. Bernstein's Purposeful Brain (J. Requin, A. Semjen and M. Bonnet). Vb. Towards a Holistic Conception of Movement Control (L. Pickenhain). VI. Trends in Physiology and Their Relation to Cybernetics (N. Bernstein). VIa. From Synergies and Embryos to Motor Schemas (M.A. Arbib). VIb. Control Theory and Cybernetic Aspects of Motor Systems (G.C. Agarwal and G.L. Gottlieb). References from Original Text of Bernstein. Author Index. Subject Index.