Introduction. Understanding the Control of Human Locomotion: A Prologue (A.E. Patla). The Role of Proprioceptive and Vestibular Inputs: Local Adaptability. Reflex Modulation During Locomotion: Functional Significance (R.B. Stein). Significance of Proprioceptive and Vestibulo-Spinal Reflexes in the Control of Stance and Gait (V. Dietz et al.). The Role of Vision: Prospective Modulation of Gait. Visual Control of Human Locomotion (A.E. Patla). Visual Cues and Processes Involved in Goal-Directed Locomotion (M. Laurent). Other Approaches to the Study of Human Gait. Adaptability of the CNS in Human Walking (D.A. Winter et al.). Stability and Variation in the Development of Infant Stepping: Implications for Control (B.D. Ulrich et al). The Biomechanics of Normal Gait: Implications for Control. The Mechanics of Human Walking (A. Cappozzo). Intersegmental Dynamics During Gait: Implications for Control (R.F. Zernicke et al.). The Modelling of Control of Human Locomotion. Dynamic Musculoskeletal Models of Human Locomotion: Perspectives on Model Formulation and Control (G.T. Yamaguchi et al.). Execution of Voluntary Bipedal Movement with a Simple Afferent Processor (H. Hemami). Development of Legged Robots and Animation of Human Gait. Development of Biped Robots (J. Furusho and A. Sano). Animation of Human Gait (A. Bruderlin and T.W. Calvert). The Rehabilitation of Locomotor Abilities. The Control of Locomotion when Vision is Reduced or Missing (G. Jansson). Surgical Intervention in the Correction of Primary and Secondary Gait Abnormalities (J.R. Gage and S. Ounpuu). New Rehabilitation Strategies for the Treatment of Spastic Gait Disorders (C.L. Richards et al.). Strategies for FES: Implications for Control (D.B. Popovic). Conclusion. Understanding the Control of Human Locomotion: A "Janus" Perspective (A.E. Patla). Index.