Aging of the biological rhythms and autonomic function

10/10/99


Click here to start


Table of Contents

Aging of the biological rhythms and autonomic function

Function of biological rhythms

Types of biological rhythms

Circadian rhythm

Ultradian rhythm

Activity rhythm:legs

Activity rhythm: whole body

Heart rate rhythm

Temperature rhythm: core temp

Temperature rhythm: skin temp

Cause of biological rhythms

Structure of biological rhythms

Structure of biological rhythms

Change in biorhythms with aging

Change in biorhythms with aging

Change in biorhythms with aging

Consequences of change in biorhythms with aging

Which biorhythm changes are primary and which are secondary?

Which biorhythm changes are primary and which are secondary?

Changes in the autonomic function with aging

Structure of sleep

Autonomic control of the heart

Autonomic innervation of the heart

Autonomic control of the heart

Autonomic innervation of the heart

Changes with aging in the autonomic control of the heart

Reduced ventricular contractility

Increased sympathetic nerve activity

Increased plasma norepinephrine

Heart rhythmicity

Shorter R-R intervals

Control of HR variability

Exercise, biorhythms,and autonomic function

Exercise increases the amplitude of biological rhythms

Exercise attenuates aging of autonomic function

Exercise attenuates aging of autonomic function

Author: Kinesiology

Email: katarina@umich.edu

Home Page: http://www.umich.edu/~divkines/kinweb/courses/katarina/