Presynaptic Modulation of Ia Afferents in Young and Old Adults When Performing Force and Position Control

• Published in: Journal of neurophysiology Vol. 103; no. 2; pp. 623 - 631
• Main Authors: Baudry, Stephane, Maerz, Adam H, Enoka, Roger M
• Format: Journal Article
• Language: English
• Published: United States Am Phys Soc 01.02.2010; American Physiological Society
• Subjects: Adult; Afferent Pathways - physiology; Aged; Aging - physiology; Feedback, Sensory - physiology; Female; H-Reflex - physiology; Humans; Male; Movement - physiology; Muscle Contraction - physiology; Muscle, Skeletal - physiology; Postural Balance - physiology; Posture - physiology; Presynaptic Terminals - physiology; Stress, Mechanical; Task Performance and Analysis; Wrist Joint - innervation; Wrist Joint - physiology

Department of Integrative Physiology, University of Colorado, Boulder, Colorado Submitted 14 September 2009; accepted in final form 23 November 2009 ABSTRACT The present work investigated presynaptic modulation of Ia afferents in the extensor carpi radialis (ECR) when young and old adults exerted a...