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Accelerometry and older adults

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https://www.readbyqxmd.com/read/28601100/patterns-of-sedentary-behavior-in-older-adults
#1
Rebecca A Schlaff, Meghan Baruth, Ashley Boggs, Brent Hutto
OBJECTIVES: We measured the volume and patterns of sedentary behavior (including breaks from sedentary behavior) in a sample of older adults via accelerometry. METHODS: Inactive, older adults (≥50 years of age) were eligible to participate. A cut point of <100 counts/minute was used to estimate: (1) total volume; (2) > 10-, > 30-, and > 60-minute bouts; and (3) patterns of sedentary behavior according to time of day and day of the week were computed...
July 1, 2017: American Journal of Health Behavior
https://www.readbyqxmd.com/read/28596093/a-pilot-study-evaluating-the-association-between-physical-activity-and-cognition-among-individuals-with-parkinson-s-disease
#2
Paul D Loprinzi, Megan M Danzl, Elizabeth Ulanowski, Calli Paydo
BACKGROUND: Few studies have examined the association between daily physical activity and cognitive function among older adults with Parkinson's disease (PD). OBJECTIVE: Here we evaluate the association between accelerometer-assessed physical activity and cognition among older patients with PD. METHODS: Cognition assessed via the Montreal Cognitive Assessment (MoCA). Moderate-to-vigorous physical activity (MVPA) was assessed via accelerometry over a 1-2 week monitoring period...
June 1, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/28532489/longitudinal-relationships-between-self-concept-for-physical-activity-and-neighborhood-social-life-as-predictors-of-physical-activity-among-older-african-american-adults
#3
Allison M Sweeney, Dawn K Wilson, M Lee Van Horn
BACKGROUND: Engaging in regular physical activity (PA) as an older adult has been associated with numerous physical and mental health benefits. The aim of this study is to directly compare how individual-level cognitive factors (self-efficacy for PA, self-determined motivation for PA, self-concept for PA) and neighborhood perceptions of the social factors (neighborhood satisfaction, neighborhood social life) impact moderate-to-vigorous physical activity (MVPA) longitudinally among older African American adults...
May 22, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28526253/racial-ethnic-differences-in-sleep-quality-among-older-adults-with-osteoarthritis
#4
Patricia A Parmelee, Brian S Cox, Jason A DeCaro, Francis J Keefe, Dylan M Smith
OBJECTIVE: To examine racial/ethnic differences in sleep quality and the pain-sleep association among older adults with osteoarthritis of the knee. DESIGN: Baseline interview followed by a 7-day microlongitudinal study using accelerometry and self-reports. SETTING: Participants were community residents in western Alabama and Long Island, NY. PARTICIPANTS: Ninety-six African Americans (AAs) and 128 non-Hispanic whites (NHWs) with physician-diagnosed knee osteoarthritis, recruited from a variety of clinical and community settings...
June 2017: Sleep Health
https://www.readbyqxmd.com/read/28437380/lifestyle-and-neurocognition-in-older-adults-with-cardiovascular-risk-factors-and-cognitive-impairment
#5
James A Blumenthal, Patrick J Smith, Stephanie Mabe, Alan Hinderliter, Kathleen Welsh-Bohmer, Jeffrey N Browndyke, Pao-Hwa Lin, William Kraus, P Murali Doraiswamy, James Burke, Andrew Sherwood
OBJECTIVE: To determine the relationship of lifestyle factors and neurocognitive functioning in older adults with vascular risk factors and cognitive impairment, without dementia (CIND). METHODS: One hundred sixty adults (Mean = 65.4±6.8 years) with CIND completed neurocognitive assessments of executive function, processing speed, and memory. Objective measures of physical activity using accelerometry, aerobic capacity determined by exercise testing, and dietary habits quantified by the Food Frequency Questionnaire and 4-Day Food Diary to assess adherence to the Mediterranean and DASH diets were obtained to assess direct effects with neurocognition...
April 21, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28422585/validation-of-the-ipaq-against-different-accelerometer-cut-points-in-older-cancer-survivors-and-adults-at-risk-of-cancer
#6
Liane S Lewis, James Hernon, Allan Clark, John M Saxton
INTRODUCTION: The present study investigated the convergent validity of an interview-administered IPAQ long version (IPAQ-L) in an older population by comparison with objective accelerometry movement data. METHODS: Data from 52 participants (mean age 67.9 years, 62% male) were included in the analysis. Treadmill derived (TM-ACC: 1952-5724 cpm) and free-living physical activity (PA) derived (FL-ACC: 760-5724 cpm) accelerometer cut-points were used as criterion. RESULTS: IPAQ-L measures (total PA, leisure-time, walking-time, sedentary time) were significantly correlated with accelerometry (P≤0...
April 19, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28395672/neighborhood-walkability-physical-activity-and-walking-for-transportation-a-cross-sectional-study-of-older-adults-living-on-low-income
#7
Anna M Chudyk, Heather A McKay, Meghan Winters, Joanie Sims-Gould, Maureen C Ashe
BACKGROUND: Walking, and in particular, outdoor walking, is the most common form of physical activity for older adults. To date, no study investigated the association between the neighborhood built environment and physical activity habits of older adults of low SES. Thus, our overarching aim was to examine the association between the neighborhood built environment and the spectrum of physical activity and walking for transportation in older adults of low socioeconomic status. METHODS: Cross-sectional data were from the Walk the Talk Study, collected in 2012...
April 10, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28329086/obesity-history-and-daily-patterns-of-physical-activity-at-age-60-64-years-findings-from-the-mrc-national-survey-of-health-and-development
#8
Rachel Cooper, Lei Huang, Rebecca Hardy, Adina Crainiceanu, Tamara Harris, Jennifer A Schrack, Ciprian Crainiceanu, Diana Kuh
Background: The aim of this study was to investigate associations of current body mass index (BMI) and obesity history with daily patterns of physical activity. Methods: At age 60-64, participants from a British birth cohort study wore accelerometers for 5 days. Accelerometry counts were log-transformed and mean log-counts were used to derive a summary variable indicating total daily log-activity counts. Among those with complete data (n = 1,388) the associations of current BMI and age of first obesity were examined with: (a) total daily log-activity counts and (b) total log-activity counts in four segments of the day...
February 18, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28329025/correction-measuring-physical-activity-with-hip-accelerometry-among-u-s-older-adults-how-many-days-are-enough
#9
Masha Kocherginsky, Megan Huisingh-Scheetz, William Dale, Diane S Lauderdale, Linda Waite
[This corrects the article DOI: 10.1371/journal.pone.0170082.].
2017: PloS One
https://www.readbyqxmd.com/read/28241469/dietary-protein-in-older-adults-adequate-daily-intake-but-potential-for-improved-distribution
#10
Danielle K Cardon-Thomas, Timothy Riviere, Zoë Tieges, Carolyn A Greig
Daily distribution of dietary protein may be important in protecting against sarcopenia, specifically in terms of per meal amounts relative to a proposed threshold for maximal response. The aims of this study were to determine total and per meal protein intake in older adults, as well as identifying associations with physical activity and sedentary behavior. Three-day food diaries recorded protein intake in 38 participants. Protein distribution, coefficient of variation (CV), and per meal amounts were calculated...
February 23, 2017: Nutrients
https://www.readbyqxmd.com/read/28153018/physical-activity-levels-objectively-measured-among-older-adults-a-population-based-study-in-a-southern-city-of-brazil
#11
Virgílio Viana Ramires, Fernando César Wehrmeister, Andrea Wendt Böhm, Leony Galliano, Ulf Ekelund, Soren Brage, Inácio Crochemore Mohnsam da Silva
BACKGROUND: Low levels of physical activity are currently observed in all age groups around the world. Among older adults physical activity is even lower, potentially influencing quality of life, incidence of diseases and premature mortality. The aim of this study was to describe objectively measured physical activity levels among older adults residents in a Southern city of Brazil. METHODS: A population-based study was carried out including people aged 60+ years living in the urban area of Pelotas...
February 2, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28081249/measuring-physical-activity-with-hip-accelerometry-among-u-s-older-adults-how-many-days-are-enough
#12
Masha Kocherginsky, Megan Huisingh-Scheetz, William Dale, Diane S Lauderdale, Linda Waite
INTRODUCTION: Accelerometers are increasingly used in research. Four to 7 days of monitoring is preferred to estimate average activity but may be burdensome for older adults. We aimed to investigate: 1) 7-day accelerometry protocol adherence, 2) demographic predictors of adherence, 3) day of the week effect, and 4) average activity calculated from 7 versus fewer days among older adults. METHODS: We used the 2003-2006 older adult hip accelerometry data from the National Health and Nutrition Examination Survey (NHANES) sample...
2017: PloS One
https://www.readbyqxmd.com/read/28078090/the-effect-of-ongoing-feedback-on-physical-activity-levels-following-an-exercise-intervention-in-older-adults-a-randomised-controlled-trial-protocol
#13
Katie-Jane Brickwood, Stuart T Smith, Greig Watson, Andrew D Williams
BACKGROUND: Physical inactivity ranks as a major contributing factor in the development and progression of chronic disease. Lifestyle interventions reduce the progression of chronic disease, however, compliance decreases over time and health effects only persist as long as the new lifestyle is maintained. Telephone counselling (TC) is an effective way to provide individuals with ongoing support to maintain lifestyle changes. Remote physical activity monitoring and feedback (RAMF) via interactive technologies such as activity trackers and smartphones may be a cost-effective alternative to TC, however, this comparison has not been made...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28074110/an-exploratory-study-on-the-impact-of-daily-activities-on-the-pleasure-and-physical-activity-of-older-adults
#14
Miriam Cabrita, Richel Lousberg, Monique Tabak, Hermie J Hermens, Miriam M R Vollenbroek-Hutten
BACKGROUND: Pleasure is one determinant of intrinsic motivation and yet a dimension often forgotten when promoting physical activity among the older population. In this study we investigate the relation between daily activities and physical activity, experience of pleasure, and the interaction between pleasure and physical activity in the daily lives of community-dwelling older adults. METHODS: Participants carried a hip-worn accelerometer during 30 consecutive days resulting in a total of 320 days of data collection...
2017: European Review of Aging and Physical Activity
https://www.readbyqxmd.com/read/27931188/measuring-moderate-intensity-walking-in-older-adults-using-the-actigraph-accelerometer
#15
Anthony Barnett, Daniel van den Hoek, David Barnett, Ester Cerin
BACKGROUND: Accelerometry is the method of choice for objectively assessing physical activity in older adults. Many studies have used an accelerometer count cut point corresponding to 3 metabolic equivalents (METs) derived in young adults during treadmill walking and running with a resting metabolic rate (RMR) assumed at 3.5 mL · kg(-1) · min(-1) (corresponding to 1 MET). RMR is lower in older adults; therefore, their 3 MET level occurs at a lower absolute energy expenditure making the cut point derived from young adults inappropriate for this population...
December 8, 2016: BMC Geriatrics
https://www.readbyqxmd.com/read/27895473/calf-raise-senior-a-new-test-for-assessment-of-plantar-flexor-muscle-strength-in-older-adults-protocol-validity-and-reliability
#16
Helô-Isa André, Filomena Carnide, Edgar Borja, Fátima Ramalho, Rita Santos-Rocha, António P Veloso
PURPOSE: This study aimed to develop a new field test protocol with a standardized measurement of strength and power in plantar flexor muscles targeted to functionally independent older adults, the calf-raise senior (CRS) test, and also evaluate its reliability and validity. PATIENTS AND METHODS: Forty-one subjects aged 65 years and older of both sexes participated in five different cross-sectional studies: 1) pilot (n=12); 2) inter- and intrarater agreement (n=12); 3) construct (n=41); 4) criterion validity (n=33); and 5) test-retest reliability (n=41)...
2016: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/27890482/dietary-nitrate-does-not-affect-physical-activity-or-outcomes-in-healthy-older-adults-in-a-randomized-cross-over-trial
#17
Mario Siervo, Clio Oggioni, Djordje G Jakovljevic, Michael Trenell, John C Mathers, David Houghton, Carlos Celis-Morales, Ammar W Ashor, Alan Ruddock, Mayur Ranchordas, Markos Klonizakis, Elizabeth A Williams
Although dietary nitrate (NO3(-)) ingestion appears to enhance exercise capacity and performance in young individuals, inconclusive findings have been reported in older people. Therefore, we conducted a double-blind, crossover randomized clinical trial using beetroot juice in older healthy participants, who were classified as normal weight and overweight. We tested whether consumption of beetroot juice (a rich source of NO3(-)) for 1 week would increase nitric oxide bioavailability via the nonenzymatic pathway and enhance (1) exercise capacity during an incremental exercise test, (2) physical capability, and (3) free-living physical activity...
December 2016: Nutrition Research
https://www.readbyqxmd.com/read/27798733/a-novel-accelerometer-based-method-to-describe-day-to-day-exposure-to-potentially-osteogenic-vertical-impacts-in-older-adults-findings-from-a-multi-cohort-study
#18
K Hannam, K C Deere, A Hartley, E M Clark, J Coulson, A Ireland, C Moss, M H Edwards, E Dennison, T Gaysin, R Cooper, A Wong, J S McPhee, C Cooper, D Kuh, J H Tobias
This observational study assessed vertical impacts experienced in older adults as part of their day-to-day physical activity using accelerometry and questionnaire data. Population-based older adults experienced very limited high-impact activity. The accelerometry method utilised appeared to be valid based on comparisons between different cohorts and with self-reported activity. INTRODUCTION: We aimed to validate a novel method for evaluating day-to-day higher impact weight-bearing physical activity (PA) in older adults, thought to be important in protecting against osteoporosis, by comparing results between four cohorts varying in age and activity levels, and with self-reported PA levels...
March 2017: Osteoporosis International
https://www.readbyqxmd.com/read/27760774/associations-of-accelerometry-assessed-and-self-reported-physical-activity-and-sedentary-behavior-with-all-cause-and-cardiovascular-mortality-among-us-adults
#19
Kelly R Evenson, Fang Wen, Amy H Herring
The US physical activity (PA) recommendations were based primarily on studies in which self-reported data were used. Studies that include accelerometer-assessed PA and sedentary behavior can contribute to these recommendations. In the present study, we explored the associations of PA and sedentary behavior with all-cause and cardiovascular disease (CVD) mortality in a nationally representative sample. Among the 2003-2006 National Health and Nutrition Examination Survey cohort, 3,809 adults 40 years of age or older wore an accelerometer for 1 week and self-reported their PA levels...
November 1, 2016: American Journal of Epidemiology
https://www.readbyqxmd.com/read/27754973/using-symbolic-aggregate-approximation-sax-to-visualize-activity-transitions-among-older-adults
#20
Amal A Wanigatunga, Paul V Nickerson, Todd M Manini, Parisa Rashidi
The objective of this analysis was to apply symbolic aggregate approximation (SAX) time-series analysis to accelerometer data for activity pattern visualization stratified by self-reported mobility difficulty. A total of 2393 (71.6  ±  7.9 years old) participants wore an accelerometer on the hip (4  +  d; 10  +  h) during the national health and nutrition examination survey (NHANES), a biannual series of health assessments of the US population. One minute epoch data was used to perform SAX, which converted accelerometry time series data into four activity levels...
November 2016: Physiological Measurement
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