Older class people - First class experience : Stories of ageing well in rural communities of Victoria
- Authors: Blume, Suzanne
- Date: 2006
- Type: Text , Conference paper
- Relation: Paper presented at Diversity in Ageing Conference 2006, Sydney : 23rd November, 2006 p. 52-60
- Full Text:
- Reviewed:
- Description: Victorians aged 65 years and over are classified as ‘old’, yet many are able to remain living at home in a rural area, maintain health, retain a sense of wellbeing, and lead productive lives without requiring extraordinary assistance to do so. As such, these older people are exemplars of healthy ageing. This qualitative study examined the stories of older people who were living in that moment to answer questions about the meaning of ageing and living at home in a rural community for older people and the measures used to sustain that lifestyle. Rich descriptions were gathered through face-to-face interviews with ten older people living at home in various rural areas of Victoria. Their stories describe personal perceptions and philosophies of ageing and ‘being old’, life as a rural living older person and individual means of meeting declining physical dexterity. This study describes the acumen of a small group of rural living older people from whom much can be learnt. However, further research with larger populations of older people would enhance learning opportunities for other Australians who similarly wish to achieve positive healthy ageing whilst living at home in a rural community.
- Description: E1
- Description: 2003002143
Declining melatonin levels and older people. How old is old?
- Authors: Graham, D. , McLachlan, Angus
- Date: 2004
- Type: Text , Journal article
- Relation: Neuroendocrinology Letters Vol. 25, no. 6 (2004), p. 415-418
- Full Text:
- Reviewed:
- Description: Objectives: The purpose of this study was to investigate whether melatonin levels in older cohorts within the 'aged' population were significantly lower than in younger 'aged' individuals and hence point to a possible confound in cross-sectional studies which group individuals over 55 in one category. Setting and design: Melatonin levels of 35 North Queensland residents over 55 years of age living in an aged-care facility, a retirement village or the general community were compared across three age groups. Methods: Subjects were ten 56-65 year olds, eighteen 66-75 year olds and seven over-75 year olds. Information was obtained on sleep, awakening, medical conditions and medications, with subsequent exclusion of those with known medical conditions and/or medications. Melatonin was collected by salivary samples at 2200 hours and concentrations were determined by immunoassay. Results: Mean melatonin levels were significantly lower (p=.03) in the 'oldest' (over 75 yrs) group compared to the 'youngest' (56-65 yrs) group. Main findings: The results of this preliminary study indicate that within the older population, melatonin levels appear to decline significantly with age. Conclusions: Future studies of melatonin and ageing may benefit from a longitudinal approach, with older subjects sampled across time. Copyright © Neuroendocrinology Letters.
- Description: C1
Ageing and time : Multidisciplinary perspectives
- Authors: Guse, Ilonka
- Date: 2008
- Type: Text , Journal article
- Relation: Australasian Journal on Ageing Vol. 27, no. 2 (Jun 2008), p. 107-108
- Full Text: false
- Reviewed:
- Description: C1
Understanding polymeric amylose retrogradation in presence of additives
- Authors: Chaudhary, Deeptangshu , Adhikari, Benu
- Date: 2009
- Type: Text , Journal article
- Relation: Journal of Applied Polymer Science Vol. 115, no. 5 (2009), p. 2703 - 2709
- Full Text: false
- Reviewed:
- Description: Polymeric aging in starch is an important equilibrating process leading to long-chain amylose recrystallization and anisotropic properties of material made from starch. Investigations into a number of plasticizers and hydrocolloids showed that their water retention/binding capability influence the starch polymer’s crystallinity. Addition of up to 8 wt % glycerol and 3 wt % xylitol acted as an antiplasticizer and apparently increased the total crystalline phase, which reduced the degree of elongation of amylose matrix by 15%. Maltodextrin and xanthan gum also reduced matrix elongation capability but X-ray diffraction (XRD) analysis showed samples with varying crystallinity, and the extent of crystallinity did not correlate with respective tensile properties. Additives such as maltodextrin, with similar molecular structure as amylose, were ineffective in increasing degree of elongation even at 15 wt % addition rate, because of formation of pockets of crystalline region, as observed by XRD analysis. Both xylitol and xanthan gum samples showed similar tensile strength and elongation properties, but the water retention capability of xylitol-filled starch samples was about 27% lower than xanthan gum samples, at their respective higher concentrations. A dynamic structural unit is proposed to satisfy the isotropic increase in tensile strength and degree of elongation in oriented starch matrix. VVC 2009Wiley Periodicals, Inc. J Appl Polym Sci 000: 000–000, 2009
Properties of aged mixed nickel-cobalt hydroxide intermediates produced from acid leach solutions and subsequent metal recovery
- Authors: Jones, Andrew , Welham, Nicholas
- Date: 2010
- Type: Text , Journal article
- Relation: Hydrometallurgy Vol. 103, no. 1-4 (2010), p. 173-179
- Full Text: false
- Reviewed:
- Description: Synthetic mixed nickel-cobalt hydroxide precipitates (MHP) were produced containing varying levels of Ni, Co, Mn, Mg, Al, Fe, Cr, Cu, Zn and Si to understand and characterize the ageing processes and subsequent nickel and cobalt leach recovery. Precipitates were monitored over a 12 week period using X-ray diffraction (XRD), scanning electron microscopy (SEM) and leach tests in ammonia-ammonium carbonate solution. Manganese and cobalt incorporation into MHP was beneficial for subsequent nickel recovery; most likely preventing or slowing nickel-magnesium hydroxide formation. High magnesium MHP generally lowered subsequent nickel recovery due to its stability and slow leaching kinetics. Between 94-100% Ni and 84-100% Co were leached from nearly all high magnesium MHP precipitates after soaking in the leach solution for 72 h, except for the precipitate containing about 5% Al which only recovered 87% Ni and 61% Co. An XRD of this precipitate showed that it was much more amorphous than any other MHP whilst the XRD of the leach residues revealed a magnesium-aluminium hydrotalcite structure. Both nickel-magnesium hydroxide and hydrotalcite-like structures appear to inhibit nickel and cobalt recovery because of their slow leaching characteristics. © 2010 Elsevier B.V.
- Description: 2003008226
Unwrapping packages : An exploration of the implementation of community care policy in rural Victoria
- Authors: Brown, Katrina
- Date: 2004
- Type: Text , Conference paper
- Relation: Paper presented at the 3rd National Conference for emerging researchers in Ageing, Brisbane, Australia : 2nd December, 2004 p. 80-83
- Full Text:
- Reviewed:
- Description: This paper will discuss research being conducted into the implementation of community care for the aged in rural Victoria, by focusing on one program – Community Aged Care Packages (CACP). This program has expanded rapidly in the last 15 years to provide case management and service brokerage as a community based alternative to low level residential care. The research is being undertaken as part of a PhD thesis and utilises a multi-method qualitative design of semi-structured interviews, documentary analysis and case study analysis. This paper will focus on a discussion of the preliminary results of the study, utilising data from an initial series of exploratory semi-structured interviews. The data from these interviews suggests that although the program is delivering highly valued services, program implementation choices have had unintended consequences and do not take account of rural issues in service provision. This data has implications for the development of policy and delivery in the aged care area, however it also illustrates the way in which policy implementation choices can impact on the quality of life of those who need support services.
- Description: E1
- Description: 2003000945
Responsible management of motor vehicle drivers with dementia
- Authors: Yates, Mark , Ibrahim, Joseph
- Date: 2014
- Type: Text , Journal article
- Relation: Journal of the Royal College of Physicians of Edinburgh Vol. 44, no. 1 (2014), p. 4-7
- Full Text: false
- Reviewed:
- Description: When Bridget Driscoll, a 44-year-old mother of two died after being struck by a motor vehicle, considered to be the first motor vehicle fatality in UK and possibly the world, the coroner stated 'I trust this sort of nonsense will never happen again'.1 Sadly, the coroner, medical practitioners and general public would be deeply and repeatedly disappointed. It was 1896. Motor vehicles were a curiosity. Drivers did not undergo any form of testing, be it medical fitness, driving ability or otherwise, and there were no licensing regulatory agencies. By 2010, road injury was the ninth most common cause of death globally (1.3 million deaths per annum) and dementia the fourth most common in high income countries.2 By 2030 the number of all licensed UK drivers who are 65 years or older will increase by almost 50% to almost one in every four drivers.3 If the juxtaposition of driving with dementia in an ageing population is not already a contentious social, political and medical issue, it certainly will become so.
Ageing under the rainbow : The interrelations between age, sense of belonging, and mental health among Australian gay men
- Authors: Morris, Simon
- Date: 2010
- Type: Text , Thesis , PhD
- Full Text:
- Description: This research investigated the interrelations between gay men’s age, sense of belonging (to the general community, the broader gay community, gay groups and with gay friends) and mental health by testing four models: direct, mediation, additive and moderation.
- Description: Doctor of Psychology (Clinical)
Neural networks for detection and classification of walking pattern changes due to ageing
- Authors: Begg, Rezaul , Kamruzzaman, Joarder
- Date: 2006
- Type: Text , Journal article
- Relation: Australasian Physical & Engineering Sciences in Medicine Vol. 29, no. 2 (2006), p. 188-195
- Full Text: false
- Reviewed:
- Description: With age, gait functions reflected in the walking patterns degenerate and threaten the balance control mechanisms of the locomotor system. The aim of this paper is to explore applications of artificial neural networks for automated recognition of gait changes due to ageing from their respective gait-pattern characteristics. The ability of such discrimination has many advantages including the identification of at-risk or faulty gait. Various gait features (e.g., temporal-spatial, footground reaction forces and lower limb joint angular data) were extracted from 12 young and 12 elderly participants during normal walking and these were utilized for training and testing on three neural network algorithms (Standard Backpropagation; Scaled Conjugate Gradient; and Backpropagation with Bayesian Regularization, BR). Receiver operating characteristics plots, sensitivity and specificity results as well as accuracy rates were used to evaluate performance of the three classifiers. Cross-validation test results indicate a maximum generalization performance of 83.3% in the recognition of the young and elderly gait patterns. Out of the three neural network algorithms, BR performed superiorly in the test results with best sensitivity, selectivity and detection rates. With the help of a feature selection technique, the maximum classification accuracy of the BR attained 100%, when trained with a small subset of selected gait features. The results of this study demonstrate the capability of neural networks in the detection of gait changes with ageing and their potentials for future applications as gait diagnostics.
Hormesis as a pro-healthy aging intervention in human beings?
- Authors: Marques, Francine , Markus, M. Andrea , Morris, Brian
- Date: 2010
- Type: Text , Journal article
- Relation: Dose-Response Vol. 8, no. 1 (2010), p. 28-33
- Full Text: false
- Reviewed:
- Description: Hormesis is a phenomenon in which adaptive responses to low doses of otherwise harmful factors (also called mild stressors) make cells and organisms more robust. Aging is a complex and poorly understood process. This review explores the positive effects of hormesis on aging in animal models and human cell cultures, and discusses whether it might apply to humans. As an example, repeated mild heat stress confers anti-aging benefits to normal human cells in culture. Calorie restriction and xenohormetic compounds such as resveratrol, in large part via activation of sirtuins, decrease risk of common age-related conditions, such as cancer, cardiovascular disease, type 2 diabetes, and neurological diseases, so lengthening lifespan. Mild stressors and xenohormetic dietary components have diverse molecular targets and affect many pathways. Despite experimental advances in aging research, findings in humans are still quite limited. Moderate-intensity exercise, weight management and healthy diet ameliorate diseases of aging to increase lifespan and this could involve hormesis.
- Description: C1
Implementing person-environment approaches to prevent falls: A qualitative inquiry in applying the Westmead approach to occupational therapy home visits
- Authors: Clemson, Lindy , Donaldson, Alex , Hill, Keith , Day, Lesley
- Date: 2014
- Type: Text , Journal article
- Relation: Australian Occupational Therapy Journal Vol. 61, no. 5 (2014), p. 325-334
- Full Text: false
- Reviewed:
- Description: Background/aims: Despite evidence of the effectiveness of home safety interventions for preventing falls, there is limited uptake of such interventions within community services. Therefore, as part of a broader translational project, we explored issues underlying the implementation of an evidence-based home safety fall prevention intervention. Method: We conducted in-depth interviews with eight occupational therapists and two programme coordinators engaged to deliver a home safety fall prevention intervention. Six community health centres within two metropolitan regions of Melbourne, Australia participated. The RE-AIM framework and Diffusion of Innovations theory underpinned the interviews which examine the enablers and barriers to implementing a home safety fall prevention intervention and integrating it into routine community preventive practice. Analysis involved thematic and content analysis. Results: Investment in the home safety for fall prevention intervention was supported and valued by coordinators and therapists alike, and a number of themes emerged which influenced implementation of this intervention. These included issues of: compatibility with organisational processes, individual practitioner practices and skills, a prevention approach, and client expectations; relative advantage in terms of flexibility of the process, client engagement and regional capacity building; complexity of implementing the intervention; and observability related to the invisible nature of fall prevention outcomes. Conclusion: Implementation of this home safety fall prevention intervention was influenced by a range of interrelated organisational, practitioner and client related factors. The findings from this project provide insights into, and opportunities to increase the sustainable implementation of the home safety fall prevention intervention into practice.
Characteristics and future intentions of second homeowners: a case study from Eastern Victoria, Australia
- Authors: Osbaldiston, Nicholas , Picken, Felicity , Duffy, Michelle
- Date: 2014
- Type: Text , Journal article
- Relation: Journal of Policy Research in Tourism, Leisure and Events Vol. 7, no. 1 (2014), p. 62-76
- Full Text: false
- Reviewed:
- Description: Underpinning much of the literature surrounding lifestyle migration, counter-urbanisation and second-home use is the question of motivations and future intentions. In this paper, we explore the characteristics and orientations for future use of land by second-home owners in two locales in Victoria Australia, Phillip Island and Inverloch. Using both qualitative and quantitative survey data we find that there are three areas of second-home governance which ought to be considered strongly for future planning in these areas, health, roads and infrastructure and climate change or sustainability. Using data from permanent residents and second-home owners from these areas in collaboration with demographic data, we argue that underlining these areas is a primary concern, that of ageing. However, while these issues burn brightly for both users of property in these places, the ability for the local government authorities to deal with them is limited because of a lack of resources.
A mixed-methods case study exploring the impact of participation in community activity groups for older adults on physical activity, health and wellbeing
- Authors: Lindsay-Smith, Gabrielle , Eime, Rochelle , O'Sullivan, Grant , Harvey, Jack , van Uffelen, Jannique
- Date: 2019
- Type: Text , Journal article
- Relation: Bmc Geriatrics Vol. 19, no. 1 (2019), p. 1-15
- Full Text:
- Reviewed:
- Description: Background Regular physical activity (PA) has many health benefits but declines with age. Community multi-activity groups offering volunteer-led socially-oriented activity programs could provide an opportunity for older people to maintain or increase PA levels and promote their health. The aim of this study was to examine the potential effect of becoming a member of an existing community activity group on PA levels, physical and mental health-related quality of life (HR QoL), comparing any impacts associated with participation in physical activity or social activity programs. Methods This mixed-methods case study, combining a longitudinal quantitative-survey with qualitative focus groups to contextualise the survey results, focused on an Australian community organisation called Life Activities Clubs (LACs). LACs provide various physical activities (e.g. walking, cycling, dancing) and social activities (e.g. book groups, dine-outs, craft). Data were collected using a self-report survey administered at baseline, six and twelve-months after joining and group differences between participants of PA programs (PA group) and social programs (social group) were analysed using linear mixed-models. Two focus groups with LAC members were held, one representing each activity type and analysed using content and thematic analysis. Results 35 people (mean age 67) completed the surveys and 11 people participated in the focus groups. PA levels and physical health-related QoL were maintained over 1 year in the PA group, and declined between baseline and 12-months in the social group. Focus groups suggested social aspects of PA programs increased motivation to maintain regular attendance and do more PA than participants would on their own and that physical activities provided health benefits. Mental HR QoL did not change in either group, focus groups suggested this was because the social aspects of both types of program provide benefits relating to mental health including stress relief, enjoyment and adapting to major life events, to prevent a decline in QoL. Conclusions Community PA programs appear to maintain PA levels and physical HR QoL in older adults, and both social and PA programs may maintain mental HR QoL. Incorporating both types of program into one organisation may also encourage less physically active members to try physical activities.
Preventing social isolation in later life : Findings and insights from a pilot Queensland intervention study
- Authors: Bartlett, Helen , Warburton, Jeni , Lui, Chi-wai , Peach, Linda , Carroll, Matthew
- Date: 2013
- Type: Text , Journal article
- Relation: Ageing and Society Vol. 33, no. 7 (2013), p. 1167-1189
- Full Text: false
- Reviewed:
- Description: The isolation of older people is recognised as a major social problem in contemporary Western society. While the risk factors and social or health outcomes of isolation and loneliness in later life are well documented, evidence regarding the effectiveness of programmes aimed at reducing social isolation in older people remains inconclusive. This paper reports on the challenges of attempting to undertake a rigorous evaluation of three demonstration pilot projects targeting older people at risk of social isolation, conducted within different social settings in Queensland, Australia. The demonstration projects were part of the Queensland Cross-Government Project to Reduce Social Isolation in Older People (CGPRSIOP) led by the Office for Seniors within the Queensland Department of Communities. In the absence of good evaluation of programmes aimed at social isolation, this government-run programme incorporated validated psychological measures to evaluate the effectiveness of interventions. While use of these measures suggested some promising results, the focus of this paper is on the methodological and practical challenges associated with utilising evaluation measures in community-based interventions. The detailed consideration of the methodological issues involved in this programme highlights some key lessons and offers new insights into evaluating interventions for reducing social isolation.
Ageing well across cultures
- Authors: Carroll, Matthew , Bartlett, Helen
- Date: 2015
- Type: Text , Book chapter
- Relation: Routledge Handbook of Cultural Gerontology Chapter 36 p. 285-292
- Full Text: false
- Reviewed:
- Description: The active ageing appoach has become a leading global response to population ageing, having been widely adopted as a policy direction across the European Union (EU) and various national and local governments. This trend has been greatly influenced by the World Health Organization pulication of Active Ageing: A Policy Framework (WHO 2002), which has provided the basis for many national policies. The framework defined active ageing as 'the process of optimizing opportunities for health, participation and security in order to enhance quality of life as people age' (WHO 2002: 12). The WHO model conceptualises active ageing broadly as 'continuing participation in social, economic, cultural, spriitual and civic affairs, not just the ability to be physically active or to participate in the labour force', and highlights the importance of maintaining autonomy and independence (WHO 2002: 12). Both culture and gender are recognised in the WHO model as cross-cutting factors that have a major influence on active ageing. Given that it is over a decade since the release of the WHO Active Ageing Framework, it is timely to consider the impact of this initiative, particularly on how older people from different cultures and groups experience active ageing.
One session of high-intensity interval training (HIIT) every 5 days, improves muscle power but not static balance in lifelong sedentary ageing men : A randomized controlled trial
- Authors: Sculthorpe, Nicholas , Herbert, Peter , Grace, Fergal
- Date: 2017
- Type: Text , Journal article
- Relation: Medicine (United States) Vol. 96, no. 6 (2017), p. 1-8
- Full Text:
- Reviewed:
- Description: Background: Declining muscle power during advancing age predicts falls and loss of independence. High-intensity interval training (HIIT) may improve muscle power, but remains largely unstudied in ageing participants. Methods: This randomized controlled trial (RCT) investigated the efficacy of a low-frequency HIIT (LfHIIT) intervention on peak muscle power (peak power output [PPO]), body composition, and balance in lifelong sedentary but otherwise healthy males. Methods: Thirty-Three lifelong sedentary ageing men were randomly assigned to either intervention (INT; n=22, age 62.3±4.1 years) or control (n=11, age 61.6±5.0 years) who were both assessed at 3 distinct measurement points (phase A), after 6 weeks of conditioning exercise (phase B), and after 6 weeks of HIIT once every 5 days in INT (phase C), where control remained inactive throughout the study. Results: Static balance remained unaffected, and both absolute and relative PPO were not different between groups at phases A or B, but increased significantly in INT after LfHIIT (P<0.01). Lean body mass displayed a significant interaction (P<0.01) due to an increase in INT between phases B and C (P<0.05). Conclusions: 6 weeks of LfHIIT exercise feasible and effective method to induce clinically relevant improvements in absolute and relative PPO, but does not improve static balance in sedentary ageing men. Abbreviations: ACSM = American College of Sports Medicine, CON = control group, GP = general medical practitioner, HIIT = high-intensity interval training, HRR = heart rate reserve, INT = intervention group, LfHIIT = low-frequency high-intensity interval training, PAR-Q = Physical Activity Readiness Questionnaire, PPO = peak power output, rPPO = relative peak power output, rPPOFFM = rPPO relative to fat free mass, VO2 max = maximal oxygen uptake. © 2017 the Author(s).
Walking to wellness in an ageing sedentary university community: design, method and protocol,
- Authors: Mackey, Martin , Bohle, Philip , Taylor, Philip , Biase, Tia , McLoughlin, Christopher , Purnell, Katherine
- Date: 2011
- Type: Text , Journal article
- Relation: Contemporary Clinical Trials Vol. 32, no. 2 (2011), p. 273-279
- Full Text: false
- Reviewed:
- Description: BACKGROUND: Older workers are less physically active and have a higher rate and cost of injury than younger workers and so have reduced work-ability. Concurrently, sedentary behaviour in the workplace, in transport and in the home is increasing and has harmful health effects. Walking is a familiar, convenient, and free form of health-enhancing physical activity that can be integrated into working life and sustained into older age however workplace walking programs targeted at older workers have not been evaluated. PURPOSE: We designed a randomised-controlled trial to evaluate the impact of a phased individually-tailored 10-week walking program on work-day steps, health status and work-ability of employees at an Australian university with an ageing sedentary workforce. METHODS: A convenience sample of 154 academic and administrative employees aged 45-70 years will be recruited and randomly allocated to either an experimental (walking) group or control (maintain usual activity) group. Participants will be provided with a pedometer and complete measures for step count, % body fat, waist circumference, blood pressure, self-reported physical activity, psychological wellbeing and work-ability, at baseline and end-intervention. 'Walkers' will select approaches tailored to their individual preference, psychological characteristics or life circumstances. Two distinct intervention phases will target adoption (weeks 2-5) and adherence (weeks 7-12) using 'Stages of Behaviour Change' principles. An ANOVA will test for effect of treatment on outcome with the baseline value entered as a covariate. DISCUSSION: This study will test whether tailoring worksite walking is an effective means of promoting health-enhancing physical activity in ageing sedentary workers.
A mixed methods case study exploring the impact of membership of a multi-activity, multicentre community group on social wellbeing of older adults
- Authors: Lindsay-Smith, Gabrielle , O'Sullivan, Grant , Eime, Rochelle , Harvey, Jack , van Uffelen, Jannique
- Date: 2018
- Type: Text , Journal article
- Relation: BMC Geriatrics Vol. 18, no. 1 (2018), p. 1-14
- Full Text:
- Reviewed:
- Description: Background: Social wellbeing factors such as loneliness and social support have a major impact on the health of older adults and can contribute to physical and mental wellbeing. However, with increasing age, social contacts and social support typically decrease and levels of loneliness increase. Group social engagement appears to have additional benefits for the health of older adults compared to socialising individually with friends and family, but further research is required to confirm whether group activities can be beneficial for the social wellbeing of older adults. Methods: This one-year longitudinal mixed methods study investigated the effect of joining a community group, offering a range of social and physical activities, on social wellbeing of adults with a mean age of 70. The study combined a quantitative survey assessing loneliness and social support (n = 28; three time-points, analysed using linear mixed models) and a qualitative focus group study (n = 11, analysed using thematic analysis) of members from Life Activities Clubs Victoria, Australia. Results: There was a significant reduction in loneliness (p = 0.023) and a trend toward an increase in social support (p = 0.056) in the first year after joining. The focus group confirmed these observations and suggested that social support may take longer than 1 year to develop. Focus groups also identified that group membership provided important opportunities for developing new and diverse social connections through shared interest and experience. These connections were key in improving the social wellbeing of members, especially in their sense of feeling supported or connected and less lonely. Participants agreed that increasing connections was especially beneficial following significant life events such as retirement, moving to a new house or partners becoming unwell. Conclusions: Becoming a member of a community group offering social and physical activities may improve social wellbeing in older adults, especially following significant life events such as retirement or moving-house, where social network changes. These results indicate that ageing policy and strategies would benefit from encouraging long-term participation in social groups to assist in adapting to changes that occur in later life and optimise healthy ageing.
Six weeks of high intensity interval training (HIIT) facilitates a four year preservation of aerobic capacity in sedentary older males : a reunion study
- Authors: Herbert, Peter , Hayes, Lawrence , Beaumont, Alexander , Grace, Fergal , Sculthorpe, Nicholas
- Date: 2021
- Type: Text , Journal article
- Relation: Experimental Gerontology Vol. 150, no. (2021), p.
- Full Text: false
- Reviewed:
- Description: Long-term implications of acutely increased cardiorespiratory fitness following short-term exercise interventions in older adults are unknown. In this study, we examined peak oxygen uptake (VO2peak) after 4-years of ‘free-living’ after a high intensity interval training (HIIT) intervention. Seventeen lifelong exercisers (LEX) and 17 previously sedentary (SED) males (55–74 years of age in 2012) were tested four years (phase D) after our previous experiment which included 6-weeks of aerobic moderate intensity exercise (phase B), followed by 6-weeks of HIIT (phase C). At all stages, a standard incremental exercise protocol on a cycle ergometer was completed to determine VO2peak. SED (P = 1.000, Cohen's d = 0.01) and LEX (P = 1.000, Cohen's d = 0.11) VO2peak at phase D was not different from phase A (enrolment). SED experienced a large decrease in VO2peak from phase C to phase D (32 ± 6 ml·kg·min−1 to 27 ± 6 ml·kg·min−1 [P < 0.001, Cohen's d = 0.81]). LEX experienced a small decrease in VO2peak from phase C to phase D (42 ± 7 ml·kg·min−1 to 39 ± 9 ml·kg·min−1 [P < 0.001, Cohen's d = 0.46]). At phase D, LEX had greater VO2peak than SED (P < 0.001, Cohen's d = 1.73). The proportion of subjects who reported discontinuing training, maintaining moderate training, and maintaining HIIT differed between groups (P = 0.023), with LEX self-reporting more HIIT, and SED self-reporting more discontinuation from exercise. Those who continued exercising experienced a reduction in VO2peak over the four years from 39 ± 7 ml·kg·min−1 to 36 ± 9 ml·kg·min−1 (N = 25, P < 0.001, Cohen's d = 0.37), and those who discontinued exercising also experienced a reduction in VO2peak from 30 ± 7 ml·kg·min−1 to 25 ± 9 ml·kg·min−1 (N = 9, P = 0.003, Cohen's d = 0.62). Four years after completing a brief period of aerobic exercise and HIIT, older males demonstrated a preservation of VO2peak, irrespective of training status (LEX or SED). However, LEX exhibited greater VO2peak than SED after 4-years of unsupervised ‘free-living’. Notably, participants who discontinued exercising experienced a greater reduction in VO2peak. These data suggest that a 6 weeks of supervised HIIT can facilitate the long term. © 2021 Elsevier Inc.
Ageing and learning in Australia : Arguing an evidence base for informed and equitable policy
- Authors: Cuthill, Michael , Buys, Laurie , Wilson, Bruce , Kimberley, Helen , Reghenzani, Denise , Kearns, Peter , Thompson, Sally , Golding, Barry , Root, Jo , Weston, Rhonda
- Date: 2016
- Type: Text , Journal article
- Relation: Current Aging Science Vol. 9, no. 3 (2016), p. 196-202
- Full Text:
- Reviewed:
- Description: Background: Given Australia’s population ageing and predicted impacts related to health, productivity, equity and enhancing quality of life outcomes for senior Australians, lifelong learning has been identified as a pathway for addressing the risks associated with an ageing population. To date Australian governments have paid little attention to addressing these needs and thus, there is an urgent need for policy development for lifelong learning as a national priority. The purpose of this article is to explore the current lifelong learning context in Australia and to propose a set of factors that are most likely to impact learning in later years. Conclusion: Evidence based policy that understands and incorporates learning opportunities for all citizens is required to meet emerging global challenges. Providing appropriate learning opportunities to seniors is one clear pathway for achieving diverse health, social and economic outcomes. © 2016 Bentham Science Publishers.