Search Results - "Schrack, J A"

A roadmap to build a phenotypic metric of ageing: insights from the Baltimore Longitudinal Study of Aging by Kuo, P.‐L., Schrack, J. A., Shardell, M. D., Levine, M., Moore, A. Z., An, Y., Elango, P., Karikkineth, A., Tanaka, T., Cabo, R., Zukley, L. M., AlGhatrif, M., Chia, C. W., Simonsick, E. M., Egan, J. M., Resnick, S. M., Ferrucci, L.

“…Over the past three decades, considerable effort has been dedicated to quantifying the pace of ageing yet identifying the most essential metrics of ageing…”
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Assessing the "physical cliff": detailed quantification of age-related differences in daily patterns of physical activity by Schrack, Jennifer A, Zipunnikov, Vadim, Goldsmith, Jeff, Bai, Jiawei, Simonsick, Eleanor M, Crainiceanu, Ciprian, Ferrucci, Luigi

“…In spite of evidence that physical activity has beneficial effects on health and age-related functional decline, there is a scarcity of detailed and accurate…”
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0353 Objectively Measured Sleep and Components of Metabolic Syndrome in Well-Functioning Older Adults by Hossain, S, Alfini, A J, Wanigatunga, A A, Rojo-Wissar, D M, Schrack, J A, Simonsick, E M, Zipunnikov, V, Wanigatunga, S K, Spira, A P

“…Abstract Introduction Prior studies tying sleep to metabolic syndrome in older adults have mostly used self-report sleep measures. We investigated the…”
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0135 Self-Reported Sleep and Gut Microbiome Composition and Diversity: Associations in Well-Functioning Older Adults by Holingue, C, Mueller, N T, Tanaka, T, Differding, M K, Chia, C W, Wu, M N, Schrack, J A, Simonsick, E M, Spira, A P

“…Abstract Introduction The gut microbiome is believed to play an important role in health and disease, yet little is known about the link between sleep and the…”
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1137 Sleep Duration, Physical Activity And Cognitive Decline In Chinese Older Adults: Findings From The CHARLS by Li, J, Alfini, A J, Yu, F, Schrack, J A, Cotter, V, Taylor, J L, Spira, A P

“…Abstract Introduction Lack of physical activity and disturbed sleep have been linked to older adult’s poor cognitive outcomes; however, little is unknown how…”
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Quantifying the lifetime circadian rhythm of physical activity: a covariate-dependent functional approach by Xiao, Luo, Huang, Lei, Schrack, Jennifer A, Ferrucci, Luigi, Zipunnikov, Vadim, Crainiceanu, Ciprian M

“…Objective measurement of physical activity using wearable devices such as accelerometers may provide tantalizing new insights into the association between…”
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0276 Association of Actigraphic Sleep Parameters with Fatigability in Older Adults by Alfini, A J, Schrack, J A, Urbanek, J K, Simonsick, E M, Zipunnikov, V, Spira, A P

“…Abstract Introduction Sleep disturbances increase with age and are linked to morbidity and functional decline. Similarly, fatigue is common among older adults…”
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0139 Associations of Actigraphic Sleep Parameters with Maximal Oxygen Consumption and Resting Metabolism in Well-Functioning Older Adults by Alfini, A J, Wanigatunga, A A, Schrack, J A, Wanigatunga, S, Li, J, Rojo-Wissar, D M, Mehta, R, Okoye, S, Zipunnikov, V, Simonsick, E M, Spira, A P

“…Abstract Introduction Both poor sleep and poor cardiorespiratory fitness are common in older age and associated with negative health outcomes. Additionally,…”
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DIGGING DEEPER: INSIGHTS INTO PHYSICAL AND COGNITIVE HEALTH USING NOVEL METHODS FOR ACCELEROMETRY AND FUNCTION by Schrack, J A, Manini, T M, Bandeen-Roche, K J

“…This symposium will focus on new methods to interpret and understand physical and cognitive health outcomes using data from wearable accelerometers and a…”
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PERCEIVED PHYSICAL AND MENTAL FATIGABILITY: NEW INSIGHTS INTO CONTRIBUTORS AND CONSEQUENCES by Glynn, N W, Simonsick, E M, Schrack, J A

“…Characterizing physical and mental fatigability allows researchers to describe an individual’s susceptibility to experiencing fatigue in the context of a…”
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ASSOCIATION BETWEEN CHARACTERISTICS OF PHYSICAL ACTIVITY ACCUMULATION AND MORTALITY RISK by Wanigatunga, A, Di, J, Zipunnikov, V, Kuo, P, Urbanek, J, Simonsick, E M, Schrack, J A

“…Deteriorating physical activity (PA) accumulation may be an indicator of premature mortality. In 698 older adults, Cox proportional hazard models were fitted…”
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LEARNING MORE FROM PATTERNS OF GAIT SPEED DURING THE 400-METER WALK by Urbanek, J, Wanigatunga, A A, Di, J, Simonsick, E M, Zipunnikov, V, Schrack, J A

“…Time to finish the 400-meter (T400m) walk is a powerful measure of fitness and function. However, patterns of slowing or speeding up during the test, while…”
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THE EMOTIONAL SIDE OF FATIGABILITY: FINDINGS FROM THE BLSA by Simonsick, E M, Chiles Shaffer, N, Gmelin, T H, Schrack, J A, Glynn, N W

“…Emotional vitality, a high sense of personal mastery and happiness and low depressive symptomatology and anxiety, has been associated with lower risk of…”
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OXYGEN CONSUMPTION 5 WAYS, ACCELEROMETRY 5 WAYS AND OTHER NOVEL MEASURES OF PERFORMANCE by Simonsick, E, Schrack, J A, Adelnia, F, Spira, A P, Ferrucci, L

“…This presentation focuses on the comprehensive assessment of functional performance in the BLSA from the cellular to whole body level as exemplified in recent…”
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DIFFERENCES IN PHYSICAL ACTIVITY AND ITS RATE OF CHANGE BY WORK AND VOLUNTEER PARTICIPATION IN MID-TO-LATE LIFE by Martinez-Amezcua, P, Wanigatunga, A A, Crainiceanu, C, Simonsick, E M, Schrack, J A

“…Physical activity (PA) and its associated health benefits are widely recognized but how working and volunteering contribute to PA level and change with aging…”
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RELATIONSHIP BETWEEN COGNITIVE FUNCTION AND PHYSICAL ACTIVITY USING NOVEL ACCELEROMETRY DERIVED METRICS by Kuo, P, An, Y, Zipunnukov, V, Urbanek, J, Wanigatunga, A A, Simonsick, E M, Resnick, S, Schrack, J A

“…Given conflicting evidence, the relationship between cognitive function (CF) and physical activity (PA) remains unclear. We investigated the association…”
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