Unpredictable elbow joint perturbation during reaching results in multijoint motor equivalence

• Published in: Journal of neurophysiology Vol. 106; no. 3; pp. 1424 - 1436
• Main Authors: Mattos, D. J. S., Latash, M. L., Park, E., Kuhl, J., Scholz, J. P.
• Format: Journal Article
• Language: English
• Published: United States American Physiological Society 01.09.2011
• Subjects: Adolescent; Biomechanical Phenomena - physiology; Elbow Joint - physiology; Forecasting; Humans; Male; Movement - physiology; Orientation - physiology; Psychomotor Performance - physiology; Young Adult

Motor equivalence expresses the idea that movement components reorganize in the face of perturbations to preserve the value of important performance variables, such as the hand's position in reaching. A formal method is introduced to evaluate this concept quantitatively: changes in joint config...