Accurate repositioning of the human thumb against unpredictable dynamic loads is dependent upon peripheral feed‐back

1. The strategy of accurate movement of the human thumb has been studied in nine subjects. An open‐loop hypothesis, which states that a new final position is defined by re‐setting the agonist/antagonist spring constants, was tested

[1]  L. D. Partridge,et al.  Intrinsic feedback factors producing inertial compensation in muscle. , 1967, Biophysical journal.

[2]  L. D. Partridge,et al.  Signal-handling characteristics of load-moving skeletal muscle. , 1966, The American journal of physiology.

[3]  E. Bizzi,et al.  Mechanisms underlying achievement of final head position. , 1976, Journal of neurophysiology.

[4]  L D PARTRIDGE,et al.  MODIFICATIONS OF NEURAL OUTPUT SIGNALS BY MUSCLES: A FREQUENCY RESPONSE STUDY. , 1965, Journal of applied physiology.

[5]  J. Kelso,et al.  Exploring a vibratory systems analysis of human movement production. , 1980, Journal of neurophysiology.

[6]  E. Bizzi,et al.  Characteristics of motor programs underlying arm movements in monkeys. , 1979, Journal of neurophysiology.

[7]  C. Marsden,et al.  Servo action in the human thumb. , 1976, The Journal of physiology.

[8]  J. M. Ritchie.  The relation between force and velocity of shortening in rat muscle , 1954, The Journal of physiology.

[9]  C. Marsden,et al.  Effect of thumb anaesthesia on weight perception, muscle activity and the stretch reflex in man. , 1979, The Journal of physiology.

[10]  D. Wilkie.  The relation between force and velocity in human muscle , 1949, The Journal of physiology.

[11]  C. D. MARSDEN,et al.  Servo Action in Human Voluntary Movement , 1972, Nature.

[12]  C. Marsden,et al.  The sensory mechanism of servo action in human muscle. , 1977, The Journal of physiology.

[13]  Brian L. Day,et al.  Movement of the human thumb is not achieved by re resetting its spring constants , 1981 .