Voluntary actions are controlled by the synaptic inputs that are shared by pools of spinal
motor neurons. The slow common oscillations in the discharge times of motor units due to …

This article reviews the behavioral literature on the control of goal-directed aiming and
presents a multiple-process model of limb control. The model builds on recent variants of …

Drawing on the disciplines of neurophysiology and physics, Neuromechanics of Human
Movement, Fourth Edition, explores how the nervous system controls the actions of muscles …

Human Hand Function is a multidisciplinary book that reviews the sensory and motor
aspects of normal hand function from both neurophysiological and behavioral perspectives …

Given two rewarding stimuli, animals tend to choose the more rewarding (or less effortful)
option. However, they also move faster toward that stimulus [1–5]. This suggests that reward …

At self-selected walking speeds, elderly compared with young adults generate decreased
joint torques and powers in the lower extremity. These differences may be actual gait-limiting …

Older adults demonstrate increased amounts of postural sway, which may ultimately lead to
falls. The mechanisms contributing to age-related increases in postural sway and falls in the …

The force exerted by a muscle during a voluntary contraction depends on the number of
motor units recruited for the action and the rates at which they discharge action potentials …

With increasing age, human skeletal muscles gradually decrease in volume, mainly due to a
reduced number of motor units and muscle fibers, and a reduced size of type 2 fibers. As a …

Hand function decreases with age in both men and women, especially after the age of 65
years. A review is presented of anatomical and physiological changes in the aging hand …