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Analysis of Sedentary Behaviour Levels and Patterns in Adults with Down Syndrome
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Ballenger, Brantley K.; Haider, Maria; Brown, Stanley P.; Agiovlasitis, Stamatis – Journal of Applied Research in Intellectual Disabilities, 2024
Background: Sedentary behaviour (SB) among adults with Down syndrome (DS) may differ based on personal or environmental factors. Objective: Investigate differences in SB levels and patterns of adults with DS based on sex, age, and residence-type across weekdays and weekends. Methods: Thirty-four adults with DS (15 men; 37 ± 12 years) underwent…
Descriptors: Physical Activity Level, Adults, Down Syndrome, Individual Characteristics
Brief Report: Caregiver Perceived Physical Activity Preferences of Adults with Down Syndrome
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Oreskovic, Nicolas M.; Agiovlasitis, Stamatis; Patsiogiannis, Vasiliki; Santoro, Stephanie L.; Nichols, Dominica; Skotko, Brian G. – Journal of Applied Research in Intellectual Disabilities, 2022
Background: Adults with Down syndrome commonly have low levels of physical activity and face social barriers to engaging in physical activity, including boredom and companionship concerns. Adults with Down syndrome are at increased risk for several co-occurring medial conditions known to benefit from physical activity, including obesity and…
Descriptors: Adults, Down Syndrome, Physical Activity Level, Barriers
Systematic Review of Sedentary Behaviour in People with Down Syndrome across the Lifespan: A Clarion Call
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Agiovlasitis, Stamatis; Choi, Poram; Allred, Anthony T.; Xu, Jian; Motl, Robert W. – Journal of Applied Research in Intellectual Disabilities, 2020
Background: Individuals with Down syndrome (DS) experience health disparities possibly associated with high levels of sedentary behaviour (SB). We systematically reviewed SB measurement, levels, patterns, correlates, consequences and interventions in people with DS across the lifespan. Method: We searched these databases: Embase; PubMed; Web of…
Descriptors: Physical Activity Level, Down Syndrome, Time, Incidence
Prediction of Energy Expenditure during Walking in Adults with Down Syndrome
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Agiovlasitis, Stamatis; Mendonca, Goncalo V.; McCubbin, Jeffrey A.; Fernhall, Bo – Journal of Applied Research in Intellectual Disabilities, 2018
Background: When developing walking programmes for improving health in adults with Down syndrome (DS), physical activity professionals are in need of an equation for predicting energy expenditure. We therefore developed and cross-validated an equation for predicting the rate of oxygen uptake (VO[subscript 2]; an index of energy expenditure) for…
Descriptors: Adults, Down Syndrome, Physical Activities, Energy
Autonomic Response to Upright Tilt in People with and without Down Syndrome
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Agiovlasitis, Stamatis; Collier, Scott R.; Baynard, Tracy; Echols, George H.; Goulopoulou, Styliani; Figueroa, Arturo; Beets, Michael W.; Pitetti, Kenneth H.; Fernhall, Bo – Research in Developmental Disabilities: A Multidisciplinary Journal, 2010
This study examined whether the autonomic response to passive upright tilt as evidenced by changes in measures of heart rate and blood pressure variability differs between individuals with DS and without DS. Beat-to-beat blood pressure was measured in 26 individuals with Down syndrome (DS) and 11 individuals without DS during 5 min of rest and 5…
Descriptors: Down Syndrome, Metabolism, Responses, Individual Differences
Heart Rate Complexity in Response to Upright Tilt in Persons with Down Syndrome
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Agiovlasitis, Stamatis; Baynard, Tracy; Pitetti, Kenneth H.; Fernhall, Bo – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
People with Down syndrome (DS) show altered autonomic response to sympatho-excitation. Cardiac autonomic modulation may be examined with heart rate (HR) complexity which is associated uniquely with cardiovascular risk. This study examined whether the response of HR complexity to passive upright tilt differs between persons with and without DS and…
Descriptors: Metabolism, Body Composition, Intervals, Down Syndrome
Prediction of VO[subscript 2peak] from the 20-m Shuttle-Run Test in Youth with Down Syndrome
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Agiovlasitis, Stamatis; Pitetti, Kenneth H.; Guerra, Myriam; Fernhall, Bo – Adapted Physical Activity Quarterly, 2011
This study examined whether 20-m shuttle-run performance, sex, body mass index (BMI), age, height, and weight are associated with peak oxygen uptake (VO[subscript 2peak]) in youth with Down syndrome (DS; n = 53; 25 women, age 8-20 years) and whether these variables can be used to develop an equation to predict VO[subscript 2peak]. BMI, 20-m…
Descriptors: Body Composition, Down Syndrome, Prediction, Scientific Concepts
Prediction of Energy Expenditure from Wrist Accelerometry in People with and without Down Syndrome
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Agiovlasitis, Stamatis; Motl, Robert W.; Foley, John T.; Fernhall, Bo – Adapted Physical Activity Quarterly, 2012
This study examined the relationship between energy expenditure and wrist accelerometer output during walking in persons with and without Down syndrome (DS). Energy expenditure in metabolic equivalent units (METs) and activity-count rate were respectively measured with portable spirometry and a uniaxial wrist accelerometer in 17 persons with DS…
Descriptors: Expenditures, Physical Activities, Down Syndrome, Prediction