1. Introductory lecture: Muscle sense, proprioception and the control of movement..- 2. The encoding of the receptor potential into impulse patterns of muscle spindle afferents of cats..- 3. Impulse activity from human muscle spindles during voluntary contractions..- 4. Impulse decoding process in stretch reflex..- 5. Motoneuronal reflex response to vibration of the contracting muscle..- 6. Physiological characteristics of the tonic and phasic motor units in human muscles..- 7. Pyramidal and extra-pyramidal control on mammalian alpha motoneurones..- 8. Supraspinal mechanisms of motor control..- 9. Control of motor activity at the thalamic level of the cat..- 10. Motor effects of stimulation of the cerebral cortex in the dog. An ontogenetic study..- 11. On the neuromuscular origin of the physiological postural tremor..- 12. On the spontaneous and induced body oscillations..- 13. Muscle stiffness and motor control - forces in the ankle during locomotion and standing..- 14. The control of posture and locomotion..- 15. On the dynamic equilibrium of the pedatar systems..