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Journal of Aging and Physical Activity

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https://www.readbyqxmd.com/read/27918705/whole-body-vibration-training-improves-heart-rate-variability-and-body-fat-percentage-in-obese-hispanic-postmenopausal-women
#1
Gregory Severino, Marcos Sanchez-Gonzalez, Michelle Walters-Edwards, Michael Nordvall, Oksana Chernykh, Jason Adames, Alexei Wong
The present study examined the effects of a 6-week whole body vibration training (WBVT) regimen on heart rate variability (HRV) and body composition in obese Hispanic postmenopausal women. Participants were randomly assigned to either WBVT (n=13) or non-exercising control group (n=14). HRV and body composition were measured before and after 6 weeks. There was a significant group x time interaction (P<0.05) for heart rate, sympathovagal balance and body fat percentage (BF%) such that all significantly decreased (P<0...
December 5, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27918687/feasibility-and-efficacy-of-the-aging-plus-program-changing-views-on-aging-to-increase-physical-activity
#2
Allyson Brothers, Manfred Diehl
This study evaluated the feasibility and efficacy of the Aging(Plus) intervention program. Aging(Plus) is an 8-week multi-component motivational program which promotes increased physical activity by targeting adults' negative views on aging (NVOA) and perceptions of control, two known psychological barriers to physical exercise. 62 adults, ages 50-82 years, participated in this feasibility study. We assessed NVOA, perceptions of control, and physical activity level at baseline (Week 0), immediate posttest (Week 4), and delayed posttest (Week 12)...
December 5, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27834574/contribution-of-psychosocial-factors-to-physical-activity-in-women-of-color-in-the-saving-lives-staying-active-salsa-study
#3
Scherezade K Mama, Lorna H McNeill, Erica G Soltero, Raul Orlando Edwards, Rebecca E Lee
Culturally appropriate, innovative strategies to increase physical activity (PA) in women of color are needed. This study examined whether participation in SALSA, an 8-week randomized, crossover pilot study to promote PA, led to improved psychosocial outcomes and whether these changes were associated with changes in PA over time. Women of color (N=50) completed internet-based questionnaires on PA, exercise self-efficacy, motivational readiness, stress and social support at three time points. Women reported high socioeconomic status and decreases in exercise self-efficacy and increases in motivational readiness for exercise and number of stressful events (p<...
November 11, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27834567/the-moderated-mediating-effect-of-self-efficacy-on-exercise-among-older-adults-in-an-online-bone-health-intervention-study-a-parallel-process-latent-growth-curve-modeling
#4
Shijun Zhu, Eun-Shim Nahm, Barbara Resnick, Erika Friedmann, Clayton Brown, Jumin Park, Jooyoung Cheon, DoHwan Park
OBJECTIVES: This secondary data analyses of a longitudinal study assessed whether self-efficacy for exercise (SEE) mediated an online intervention effects on exercise among older adults and whether age (50-64 vs. ≥ 65 years) moderated the mediation. METHODS: Data were from an online bone health intervention study. Eight hundred sixty-six older adults (≥ 50 years) were randomized to three arms: Bone Power (n = 301), Bone Power Plus (n = 302), or Control (n = 263)...
November 11, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27834558/comprehensive-gait-analysis-of-healthy-older-adults-who-have-undergone-long-distance-walking
#5
Mustafa M O Elhadi, Christina Z Ma, Duo W C Wong, Anson H P Wan, Winson C C Lee
Many older adults do not adhere to the recommended physical activity levels. This study examines the gait changes upon long-distance walking among healthy older adults. Gait tests of 24 adults aged 65 or more were conducted at the baseline, at the end of 30 and 60 minutes of treadmill walk. Spatial temporal, kinematic and kinetic gait data were computed. Perceived level of exertion was evaluated for each subject. Ten subjects (Group B) perceived higher exertion level than the remaining fourteen subjects (Group A)...
November 11, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27834556/the-relationships-between-muscle-power-and-physical-activity-in-older-men-with-chronic-obstructive-pulmonary-disease
#6
María Hernández, Fabrício Zambom-Ferraresi, Pilar Cebollero, Javier Hueto, José Antonio Cascante, María M Antón
The purpose of this study was to determine the potential relationship between muscle power of the lower extremities and the physical activity in older men with chronic obstructive pulmonary disease (COPD). Forty-four men (70.3 ± 6.7 years old) with moderate-to-severe COPD completed the six-minute walk test (6MWT), BODE (body mass index, obstruction, dyspnea, and exercise), a one-repetition maximum strength of the quadriceps femoris (1RMQF), and muscle power at 50% and 70% 1RMQF. Physical activity was measured using an accelerometer...
November 11, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27768522/masters-athletes-exemplars-of-successful-aging
#7
David Geard, Peter Reaburn, Amanda Rebar, Rylee Dionigi
Global population aging has raised academic interest in successful aging to a public policy priority. Currently there is no consensus regarding the definition of successful aging. However, a synthesis of research shows successful aging can be defined as a late-life process of change characterized by high physical, psychological, cognitive, and social functioning. Masters athletes systematically train for, and compete in, organized forms of team and individual sport specifically designed for older adults. Masters athletes are often proposed as exemplars of successful aging...
October 21, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27768514/complexity-of-exercise-behavior-among-older-african-american-women
#8
Maria Kosma, David Buchanan, Jan M Hondzinski
Despite the exercise benefits, disparities among diverse older adults continue to exist where African American women have the lowest percentage of any population group in meeting national recommended activity guidelines. Drawing on the philosophical tradition of phronesis (practical reasoning) introduced by Aristotle, we studied perceptions of the exercise value among 14 older African American women. Three themes included: 1) exercise goals (e.g., effort exerted), 2) exercise reasons (e.g., health benefits, enjoyment and convenience, and activity recommendation), and 3) inactivity reasons (e...
October 21, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27768508/asynchronous-alterations-of-muscle-force-and-tendon-stiffness-following-8-week-resistance-exercise-with-whole-body-vibration-in-older-women
#9
Seong-Won Han, Dae-Yeon Lee, Dong-Sung Choi, Boram Han, Jin-Sun Kim, Hae-Dong Lee
This study aimed to examine whether muscle force and tendon stiffness in a muscle -tendon complex alter synchronously following 8-week whole-body vibration (WBV) training in older people. Forty older women aged 65 years and older, were randomly assigned into Control (CON, n=15) and WBV training groups (Exposure Time (ET, n=13) and Vibration Intensity (VI, n=12)). For the training groups, 4-week detraining period was subjected following the training period. Throughout the training/detraining period, force of the medial gastrocnemius (MG) muscle and stiffness of the Achilles tendon were assessed 4 times (0, 4, 8, and 12-week) using a combined system of dynamometer and ultrasonography...
October 21, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27768507/postural-stability-during-standing-balance-and-sit-to-stand-in-master-athlete-runners-compared-with-non-athletic-old-and-young-adults
#10
Daniel Leightley, Moi Hoon Yap, Jessica Coulson, Mathew Piasecki, James Cameron, Yoann Barnouin, Jon Tobias, Jamie S McPhee
The aim of this study was to compare postural sway during a series of static balancing tasks and during five chair rises between healthy young (mean (SEM) age 26(1) yrs), healthy old (age 67(1) yrs) and master athlete runners (age 67(1) yrs; competing and training for the previous 51(5) yrs) using the Microsoft Kinect One. The healthy old had more sway than young in all balance tasks. The master athletes had similar sway to young during two-leg balancing and one leg standing with eyes open. When balancing on one-leg with eyes closed, both the healthy old and the master athletes had around 17-fold more sway than young...
October 21, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27768504/an-evaluation-of-functional-sit-to-stand-power-in-cohorts-of-healthy-adults-aged-18-97-years
#11
Jordan M Glenn, Michelle Gray, Jennifer Vincenzo, Sally Paulson, Melissa Powers
This investigation examined differences in functional sit-to-stand power/velocity between cohorts of adults aged 18-97 years. This study included 264 healthy adults classified into 4 cohorts (18-40, C1; 60-69, C2; 70-79, C2; ≥80, C4). Participants completed the sit-to-stand task 5 times. Power and velocity were measured via the TENDO power analyzer. Absolute average power was maintained from C1-C3, but decreased (p<.01) in C4. Absolute peak power decreased between C1-C2 (p<.01), was similar between C2-C3, and decreased in C4 (p<...
October 21, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27759483/opinions-towards-physical-activity-sedentary-behavior-and-interventions-to-stimulate-active-living-during-early-retirement-a-qualitative-study-in-recently-retired-adults
#12
Delfien Van Dyck, Lieze Mertens, Greet Cardon, Katrien De Cocker, Ilse De Bourdeaudhuij
This study aimed to obtain qualitative information about physical activity (PA), sedentary behaviors (SB) and their determinants and about recently retired adults' needs regarding PA interventions. Four focus group interviews were organized. The most commonly reported PA types were walking, cycling, swimming and fitness. The most commonly reported SB were reading, TV viewing, and computer use. Car use was limited. Most adults agreed their habits had changed during retirement. The most striking PA determinant was the feeling of being a 'forgotten group', having too few tailored PA initiatives available...
October 19, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27786590/individual-leg-muscle-contributions-to-the-cost-of-walking-effects-of-age-and-walking-speed
#13
Patricio A Pincheira, Lauri Stenroth, Janne Avela, Neil J Cronin
This study examined the contributions of individual muscles to changes in energetic cost of transport (COT) over seven walking speeds, and compared results between healthy young and elderly subjects. Twenty six participants (13 young aged 18-30; 13 old aged 70-80) were recruited. COT (O2/kg body mass/km) was calculated by standardizing the mean oxygen consumption recorded during steady state walking. Electromyography signals from 10 leg muscles were used to calculate the cumulative activity required to traverse a unit of distance (CMAPD) for each muscle at each speed...
October 13, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27748648/physical-activity-and-cardiovascular-disease-among-older-adults-the-case-of-race-ethnicity
#14
Kerstin Gerst Emerson, Jennifer Gay
The goals of this study were 1) to test the relative contribution of light-intensity and moderate-to-vigorous intensity physical activity (MVPA) to Cardiovascular Disease (CVD) risk in older adults, and 2) to examine the influence of ethnicity. We used pooled data from the 2003-2004 and 2005-2006 waves of the National Health and Nutritional Examination Survey (NHANES). The sample consisted of 1,171 White, Black and Mexican American adults aged 65 and older. Using ordinary least squares regression, we showed no statistically significant relationship between lower CVD risk with light intensity activity...
October 13, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27705093/physical-activity-and-adiposity-among-the-older-adults-of-the-evident-study
#15
José I Recio-Rodríguez, Natalia Sanchez-Aguadero, Emiliano Rodríguez-Sánchez, Vicente Martinez-Vizcaino, Carlos Martin-Cantera, Maria C Patino-Alonso, Jose A Maderuelo-Fernandez, Manuel A Gómez-Marcos, Luis Garcia-Ortiz
This study determined the relationship between self-reported and objective measurements of physical activity with adiposity markers in a randomly sample of community-dwelling older adults. The sample included 439 individuals over 65 years (age 71.1±7.8; 54.2% women). Regular physical activity information was collected using self-reported (questionnaire, 7-day-PAR) and objective measurements (accelerometer ActiGraph GT3X) over 7 days. Anthropometric parameters included body mass index, body fat percentage and waist circumference...
October 5, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27705074/effects-of-the-addition-of-a-dual-task-to-a-supervised-physical-exercise-program-on-older-adults-cognitive-performance
#16
Juliana Hotta Ansai, Larissa Pires de Andrade, Marcele Stephanie de Souza Buto, Verena de Vassimon Barroso Carmelo, Ana Claudia Silva Farche, Paulo Giusti Rossi, Anielle Cristhine de Medeiros Takahashi
The purpose of this study was to investigate the effects of the addition of a dual task to multicomponent training on cognition of active older adults. Eighty physically active older adults were divided into an intervention group (IG) and a control group (CG). Both groups performed multicomponent training over 12 weeks. The IG simultaneously performed exercises and cognitive tasks. The Mini-Mental State Examination, the Montreal Cognitive Assessment and the Clock Drawing Test were used for cognitive assessments...
October 5, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27705069/exercise-test-performance-reveals-support-of-the-cardiorespiratory-fitness-hypothesis
#17
Sandra A Billinger, Eric D Vidoni, Jill K Morris, John P Thyfault, Jeffrey M Burns
Positive physiologic and cognitive responses to aerobic exercise have resulted in a proposed cardiorespiratory (CR) fitness hypothesis in which fitness gains drive changes leading to cognitive benefit. The purpose of this study was to directly assess the CR fitness hypothesis. Using data from an aerobic exercise trial, we examined individuals who completed cardiopulmonary and cognitive testing at baseline and 26 weeks. Change in cognitive test performance was not related to CR fitness change (r(2)=0.06, p=0...
October 5, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27705067/walking-up-to-one-hour-per-week-maintains-mobility-as-older-women-age-findings-from-an-australian-longitudinal-study
#18
Bonnie Field, Tom Cochrane, Rachel Davey, Yohannes Kinfu
The aim of this study was to identify determinants of walking and whether walking maintained mobility among women as they transition from their mid-70s to their late 80s. We used 12 years of follow-up data (baseline 1999) from the Australian Longitudinal Study on Women's Health (n=10,322). Fifteen determinants of walking were included in the analysis and three indicators of mobility. Longitudinal data analyses techniques were employed. Thirteen of the 15 determinants were significant predictors of walking. Women in their mid-70s who walked up to one hour per week were less likely to experience loss of mobility in very old age, including reduced likelihood of using a mobility aid...
October 5, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27705064/age-related-locomotion-characteristics-in-association-with-balance-function-in-young-middle-aged-and-older-adults
#19
Hwang-Jae Lee, Won Hyuk Chang, Sun Hee Hwang, Byung-Ok Choi, Gyu-Ha Ryu, Yun-Hee Kim
The purpose of this study was to examine age-related gait characteristics and their associations with balance function in older adults. A total of 51 adult volunteers participated. All subjects underwent locomotion analysis using a 3D motion analysis and 12-channel dynamic electromyography system. Dynamic balance function was assessed by the Berg Balance Scale. Older adults showed a higher level of muscle activation than young adults, and there were significant positive correlations between increased age and activation of the trunk and thigh muscles in the stance and swing phase of the gait cycle...
October 5, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27684891/effects-of-a-functional-training-and-calf-stretching-on-risk-for-falls-in-older-people-a-pilot-study
#20
Jailton Thulher do Rosario, Natalia Santos da Fonseca Martins, Carolina Carneiro Peixinho, Liliam Fernandes Oliveira
This study aimed to determine the effects of a functional training and ankle stretching program in triceps surae torque, passive stiffness index and in risk for fall indicators in older adults. Twenty women (73.4 ± 7.3 years) were allocated into intervention or control group. The 12-week intervention consisted of functional training and calf stretching exercises performed twice a week. Measurements of peak passive and active torque, passive stiffness, maximum dorsiflexion angle and indexes of risk for fall (Timed Up and go, Functional reach test e QuickScreen-test) were collected...
September 29, 2016: Journal of Aging and Physical Activity
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