motor unit

Why does motor performance decline with aging?

This entry was posted in Invited Contributor Motor Impairment Blog New finding Strength & weakness and tagged aging motor impairment motor unit muscle muscle fatigue muscle strength on by

Populations in many countries are aging as the proportion of people over 65 years is projected to increase over the next 30-40 years. Aging however, is accompanied by a reduced ability to perform daily tasks such as walking, rising from a chair and climbing stairs, ultimately impacting independence of living. […]

Even motoneurons need a break! 4

This entry was posted in Motor Impairment Blog New finding Strength & weakness and tagged fatigue motoneuron motor unit on by

Motoneurons are the final common pathway for every movement and muscle contraction. Located in the spinal cord, these neurons constantly receive and integrate thousands of tiny electrical signals from various parts of the central and peripheral nervous system. The end result: an action potential that travels down their axon and […]