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 Concept Videos

The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

4.0K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
4.0K
Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

334
Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
334
Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

1.0K
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
1.0K
Exercise and Muscle Performance01:27

Exercise and Muscle Performance

2.9K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
2.9K
Aging01:26

Aging

924
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
924
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

306
Drug distribution in the human body is influenced by several factors, including plasma protein concentration, body composition, blood flow, tissue-protein concentration, and tissue fluid pH. Among these, changes in plasma protein concentration and body composition due to aging significantly affect how drugs are distributed within the body. Specifically, aging is associated with a decrease in albumin levels by about 10% and an increase in α1-acid glycoprotein levels. These alterations are...
306

You might also read

Related Articles

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

Sort by
Same author

Traffic-related fatalities among older drivers and passengers: past and future trends.

The Gerontologist·2001
Same author

Burden in caregivers of cognitively impaired older adults living in the community: methodological issues and determinants.

International psychogeriatrics·2000
Same author

Development of delirium: a prospective cohort study in a community hospital.

International psychogeriatrics·2000
Same author

Integrated health information systems based on the RAI/MDS series of instruments.

Healthcare management forum·2000
Same author

Predicting caregiver burden and depression in Alzheimer's disease.

The journals of gerontology. Series B, Psychological sciences and social sciences·2000
Same author

1997 IPA/Bayer Research Awards in Psychogeriatrics. Associations between dysfunctional behaviors, gender, and burden in spousal caregivers of cognitively impaired older adults.

International psychogeriatrics·1998

Related Experiment Video

Updated: Mar 7, 2026

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
12:59

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

13.3K

Aging and Half-Ironman Performance.

M J Stones1, Adric Hartin1

  • 1a Department of Psychology , Lakehead University , Thunder Bay , Ontario , Canada.

Experimental Aging Research
|February 24, 2017
PubMed
Summary

This study on Half-Ironman triathlon performance found that while overall times improved longitudinally, running performance declined earlier with age. Cycling performance showed no longitudinal change, possibly due to effort conservation in older athletes.

Area of Science:

  • Sports Science
  • Human Performance
  • Triathlon Research

Background:

  • Previous triathlon studies analyzed age trends without distinguishing cross-sectional and longitudinal data.
  • Existing research indicated earlier age-related declines in swimming and running compared to cycling.

Purpose of the Study:

  • To analyze age trends in Half-Ironman triathlon performance using both cross-sectional and longitudinal data.
  • To differentiate cohort effects from age-related changes in swimming, cycling, and running performance.

Main Methods:

  • Analysis of 5 years (2006-2010) of Half-Ironman World Championship results.
  • Utilized mixed linear modeling (MLM) to compare cross-sectional and longitudinal trends.
  • Examined 5549 age-class competitors with 6541 observations across swimming, cycling, and running.

More Related Videos

Short Session High Intensity Interval Training and Treadmill Assessment in Aged Mice
09:19

Short Session High Intensity Interval Training and Treadmill Assessment in Aged Mice

Published on: February 2, 2019

10.6K
Automated Analysis of C. elegans Swim Behavior Using CeleST Software
08:47

Automated Analysis of C. elegans Swim Behavior Using CeleST Software

Published on: December 7, 2016

13.4K

Related Experiment Videos

Last Updated: Mar 7, 2026

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
12:59

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

13.3K
Short Session High Intensity Interval Training and Treadmill Assessment in Aged Mice
09:19

Short Session High Intensity Interval Training and Treadmill Assessment in Aged Mice

Published on: February 2, 2019

10.6K
Automated Analysis of C. elegans Swim Behavior Using CeleST Software
08:47

Automated Analysis of C. elegans Swim Behavior Using CeleST Software

Published on: December 7, 2016

13.4K

Main Results:

  • Historical decrease observed in cycling and running times, but not swimming.
  • Cross-sectional decline in all disciplines apparent from age 35-39.
  • Longitudinal gains in swimming and running, but longitudinal decline in running began earlier (35-39 years) than swimming (50-55 years).

Conclusions:

  • Longitudinal gains in overall triathlon times were observed.
  • Running performance shows earlier age-related decline compared to swimming.
  • Conservation of effort may explain the lack of longitudinal change in older cyclists; increased cycling effort could improve overall times.