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Symposium

Health Sciences

Movement and Health: Novel Insights Into Physical Activity, Energy Expenditure, and Motor Function

Friday, November 10, 2023
12:00 PM – 1:30 PM ET
Location: Room 303

Physical activity, energy expenditure, and motor function are well-established predictors of health and longevity with aging. Traditionally, most research using these measures has focused on speed of movement and intensity of activity. More recently, interest has grown in ways to refine these movement-related measures—and the methods used to analyze them—to improve predictive and discriminatory power for older adult health outcomes. This symposium will focus on measures derived from traditional in-lab assessments of motor function as well as free-living accelerometry, and their novel application across a variety of large U.S. cohort studies. Ms. Marino will present analyses on the links among heart rate variability, physical activity, and cognitive health in the Atherosclerosis Risk in Communities (ARIC) study. Dr. Dougherty will present the association of fine and gross motor function with MRI-derived brain volumes in the Baltimore Longitudinal Study of Aging (BLSA). Dr. Davoudi will present evidence on the link between physical activity quantities and variability with dementia in the National Health and Aging Trends Study (NHATS). Dr. Schumacher will compare measures of absolute and relative physical activity intensity with incident cardiovascular outcomes and all-cause mortality in the Objective Physical Activity and Cardiovascular Health (OPACH) Study. Finally, Dr. Wanigatunga will describe objectively measured physical activity quantities and patterns by self-reported fatigue levels and HIV status in the Multicenter AIDS Cohort Study (MACS). Collectively, these presentations will highlight novel ways to utilize motor function, energy expenditure, and physical activity data to advance prevention science and promote healthy aging.
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This is an Epidemiology of Aging Interest Group Sponsored Symposium.

Learning Objectives:

  • After attending this session, participants will be able to discuss novel application of physical activity and motor function data in understanding physical and cognitive outcomes in older adults.
  • After attending this session, participants will be able to understand links between energy expenditure, fatigue and movement intensity in older adults.
  • After attending this session, participants will be able to discuss how variability of daily movement relates to cognitive health in older adults.

Presentations:

  • 12:00 PM – 1:30 PM ET
    Shared and Distinct Associations of Manual Dexterity and Gross Motor Function With Brain Atrophy

    Individual Symposium Abstract First Author: Ryan J. Dougherty, PhD – Johns Hopkins University

  • 12:00 PM – 1:30 PM ET
    Physical Activity and Dementia in the National Health and Aging Trends Study (NHATS)

    Individual Symposium Abstract First Author: Anis Davoudi, PhD (she/her/hers) – Johns Hopkins University

  • 12:00 PM – 1:30 PM ET
    Associations of Relative Intensity of Physical Activity With Incident Cardiovascular Outcomes and Mortality

    Individual Symposium Abstract First Author: Benjamin Schumacher, PhD, MPH – University of Pittsburgh School of Public Health

  • 12:00 PM – 1:30 PM ET
    Linking Self-Reported Fatigue to Objectively Measured Physical Activity in Men With and Without HIV

    Individual Symposium Abstract First Author: Amal A. Wanigatunga, PhD, MPH (he/him/his) – Johns Hopkins School of Public Health

  • 12:00 PM – 1:30 PM ET
    Free-Living Heart Rate Variability/Physical Activity and Cognitive Function and Dementia in ARIC

    Individual Symposium Abstract First Author: Francesca R. Marino, BS (she/her/hers) – Johns Hopkins Bloomberg School of Public Health