Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Exercise, substrate utilization and energy requirements in the elderly

E T Poehlman1, M J Toth, T Fonong

  • 1Department of Medicine, University of Maryland, Baltimore VA Medical Center 21201, USA.

International Journal of Obesity and Related Metabolic Disorders : Journal of the International Association for the Study of Obesity
|October 1, 1995
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Assessment of free-living daily physical activity in older claudicants: validation against the doubly labeled water technique.

The journals of gerontology. Series A, Biological sciences and medical sciences·2008
Same author

The influence of obesity and consequent insulin resistance on coronary risk factors in medically treated patients with coronary disease.

International journal of obesity (2005)·2008
Same author

Letter of apology for falsification of data.

American journal of physiology. Endocrinology and metabolism·2005
Same author

Exactly which synephrine alkaloids does Citrus aurantium (bitter orange) contain?

International journal of obesity (2005)·2005
Same author

Comparison of insulin sensitivity values using the hyperinsulinemic euglycemic clamp: 2 vs 3 hours.

Diabetes & metabolism·2005
Same author

Clinical markers for the identification of metabolically healthy but obese individuals.

Diabetes, obesity & metabolism·2004
Same journal

Lipotoxicity: the obese and endurance-trained paradox.

International journal of obesity and related metabolic disorders : journal of the International Association for the Study of Obesity·2004
Same journal

Ectopic fat storage in heart, blood vessels and kidneys in the pathogenesis of cardiovascular diseases.

International journal of obesity and related metabolic disorders : journal of the International Association for the Study of Obesity·2004
Same journal

Fat storage in pancreas and in insulin-sensitive tissues in pathogenesis of type 2 diabetes.

International journal of obesity and related metabolic disorders : journal of the International Association for the Study of Obesity·2004
Same journal

Role of glucocorticoids in the physiopathology of excessive fat deposition and insulin resistance.

International journal of obesity and related metabolic disorders : journal of the International Association for the Study of Obesity·2004
Same journal

Role of energy charge and AMP-activated protein kinase in adipocytes in the control of body fat stores.

International journal of obesity and related metabolic disorders : journal of the International Association for the Study of Obesity·2004
Same journal

Concept of fat balance in human obesity revisited with particular reference to de novo lipogenesis.

International journal of obesity and related metabolic disorders : journal of the International Association for the Study of Obesity·2004
See all related articles

Endurance and resistance exercise can increase resting metabolic rate in older adults. However, vigorous endurance exercise may hinder fat loss, while preserving muscle mass is key for maintaining fat oxidation with aging.

Area of Science:

  • Gerontology
  • Exercise Physiology
  • Metabolic Health

Background:

  • Aging is associated with decreased metabolic rate and altered substrate utilization.
  • Understanding exercise's impact on energy expenditure and fat metabolism in the elderly is crucial for health management.

Purpose of the Study:

  • To investigate the effects of endurance and resistance exercise on energy expenditure and substrate utilization in the elderly.
  • To examine the relationship between aging, exercise, and fat oxidation.

Main Methods:

  • Review of studies on endurance and resistance exercise interventions in older individuals.
  • Analysis of data on resting metabolic rate, sympathetic nervous system activity, and substrate utilization.
  • Consideration of the impact of age and exercise on fat mobilization and oxidation.

Related Experiment Videos

Main Results:

  • Endurance exercise increases resting metabolic rate in the elderly, potentially mediated by the sympathetic nervous system.
  • Vigorous endurance exercise may lead to compensatory decreases in energy expenditure during rest, potentially counteracting fat loss.
  • Resistance training also increases resting metabolic rate and sympathetic nervous system activity in older adults.
  • Whole-body fat oxidation decreases with age, primarily due to a loss of fat-free mass.
  • Endurance training shifts fatty acid utilization towards oxidative pathways in the elderly, linked to increased norepinephrine levels.

Conclusions:

  • Exercise interventions, particularly those preserving fat-free mass and enhancing aerobic capacity, can positively influence fat oxidation in older individuals.
  • Maintaining or increasing fat oxidation may help mitigate age-related increases in adiposity.