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Aging-related changes in the relationship between the physical self-concept and the physical fitness in elderly individuals.

ABSTRACT: The paper focuses on long-term changes in parameters of self-perception (ie, physical self-concept, self-esteem, and self-efficacy), physical activity, and its relationship to physical fitness of healthy and active old adults. The sample of 22 physically active and healthy elderly (age Mt1 = 66.00) originates in an earlier skiing intervention study following a longitudinal study design with four time points of measurement over a period of 6 years. Self-reports on physical self-concept (PSK), general self-esteem and self-efficacy, and an activity index were assessed and compared to physical fitness data (VO2max and muscle strength). Significant time effects (over 6 years) were obtained with respect to global physical self-concept, endurance (PSK), and VO2max . Muscle strength turned out to be stable over time. The positive correlations between VO2max and the corresponding self-concept evaluation of endurance abilities diminished across the 6 years. Self-esteem correlated with the PSK scales and VO2max . In contrast to our expectation, self-esteem, self-efficacy, and activity level hardly predicted changes in the PSK scales, VO2max , and physical strength. Although VO2max and some parameters of the physical self-concept declined over the 6 years, results indicate that physical self-concept, self-esteem, self-efficacy, physical fitness, and physical activity display a complex pattern. The decrease in self-perception measured by the correlation of PSK and physical fitness suggests that self-concept of old adults is not sensitive to changes in physical fitness.

SUBMITTER: Amesberger G

PROVIDER: S-EPMC6850752 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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Aging-related changes in the relationship between the physical self-concept and the physical fitness in elderly individuals.

Amesberger Günter G Finkenzeller Thomas T Müller Erich E Würth Sabine S

Scandinavian journal of medicine & science in sports 20190401

The paper focuses on long-term changes in parameters of self-perception (ie, physical self-concept, self-esteem, and self-efficacy), physical activity, and its relationship to physical fitness of healthy and active old adults. The sample of 22 physically active and healthy elderly (age M<sub>t1</sub> = 66.00) originates in an earlier skiing intervention study following a longitudinal study design with four time points of measurement over a period of 6 years. Self-reports on physical self-concep ...[more]

PMID: 30667568

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Project description:BACKGROUND:Physical inactivity is high within the Qatari population, particularly within females, and school-based environments, contributing to increased morbidity and mortality. School-based physical activity (PA) outcomes may be mediated by physical self-concept. Low physical self-concept may negatively impact PA engagement, compromising childhood and adolescent physical fitness, which may translate into adulthood. Normative physical fitness data for the Qatari population is unavailable. Stratifying normative physical fitness appears prudent, to not only allow comparisons to be made worldwide, but enable informed decisions for public health policy and future interventions in the Qatari population. PURPOSE:To establish the physical fitness of young adults in Qatar, and examine differences between males and females for physical self-concept, and engagement in school-based and extra-curricular PA. METHOD:186 (females n = 85) healthy participants [median (minimum-maximum) age: males = 21 (18-26), females = 21 (18-24) y; height: males = 1.74 (1.57-1.99), females = 1.61 (1.46-1.76) m; body mass: males = 71.9 (49.3-145.0), females = 56.8 (35.7-96.4) kg] completed the ALPHA-FIT test battery for adults (one leg stand, figure of eight run, handgrip strength, jump and reach, modified push-up, dynamic sit-up and 2 km walk), physical self-description questionnaire (measuring physical self-concept), and were asked to answer 'yes' or 'no' to whether they participated in school-based and extra-curricular PA. RESULTS:Data is reported as effect size; ±90% confidence limit. Males compared to females most likely performed better for dynamic sit-up (2.2; ±0.76), very likely better for the figure of eight run (0.86; ±0.42) and likely better for handgrip strength (2.1; ±0.75). Males likely had higher physical self-concept for coordination (0.78; ±0.37) and endurance (0.66; ±0.27) compared to females. There were no differences for school-based PA (p ? 0.78) or for extra-curricular PA for males (p ? 0.26) or females (p ? 0.21). CONCLUSION:The data suggests that the young Qatari adult population has variable, yet generally low, physical fitness traits compared to individuals worldwide, likely due to their low PA. The precise aetiology for this is not well documented, yet such data may be prudent to evidence-inform strategies to improve physical fitness through increased PA (synergistic relationship), given the strong association between physical activity/fitness and morbidity/mortality.

Project description:BackgroundSpecialized, individualized exercise programs that increase self-efficacy (SE) are essential for the development and maintenance of regular exercise. The objective of this study is to examine the effect of customized exercise programs (CEPs) implemented by physical therapists in improving exercise-related SE and promoting behavioral changes among elderly individuals who do not exercise regularly compared with commonly prescribed exercises.MethodsIn this randomized controlled study, the sampling frame consisted of participants in an annual town-sponsored medical check-up. The inclusion criteria were no regular exercise and age of 65-74 years at enrollment. The subjects in the intervention group (CEP group) were instructed to perform individualized exercises prescribed based on an original algorithm. Data collection was performed at baseline and 3, 6, 9, and 12 months after exercise instruction. The primary outcome was SE for exercise at the last time point. Secondary outcomes were SE for exercise, stage of change in exercise behavior, knee pain, and low back pain at each evaluation time point.ResultsFifty subjects (CEP group n = 26; control group n = 24) were randomized. In the CEP group, 25 of 26 subjects were analyzed at 3 months, 26 of 26 subjects were analyzed at 6 and 9 months, and 25 of 26 subjects were analyzed at 12 months. In the control group, 23 of 24 subjects were analyzed at 3, 6, 9, and 12 months. SE for exercise improved 24.0% (CEP group 30.8%; control group 16.7%) compared to baseline. No significant differences were observed in the primary outcome. SE for exercise was significantly lower at 9 and 12 months compared with baseline in the control group. Stage of change for exercise behavior was significantly higher at 3 months compared with baseline in the CEP group and at 6 months in the control group. Knee pain was worse at 3 months compared with baseline in the control group.ConclusionsThis study suggested that exercise instruction with CEPs contributes to the maintenance of SE for exercise and is useful for changing exercise behavior in elderly individuals who do not regularly exercise.Trial registrationUMIN000027240 , registered on 03/05/2017.

Project description:Older adults typically experience a decline in cognitive function, but improvements in physical health and lifestyle can be neuroprotective across the human lifespan. The primary objective of this study is to advance our basic understanding of how cardiorespiratory fitness and neurophysiological attributes relate to cognitive decline. While cerebral blood flow (CBF) is critical for the supply of nutrients to the tissue, the brain’s major neurotransmitters (i.e., gamma-aminobutyric acid, GABA, and glutamate-glutamine complex, Glx) are closely linked to oxidative metabolism. Within the context of flow-metabolism coupling, the critical question is how these neurophysiological parameters interplay, resulting in cognitive decline. Further, how cardiorespiratory fitness may impact aging neurophysiology and cognition is not well understood. To address these questions, we recruited 10 younger and 12 older cognitively intact participants to collect GABA and Glx using magnetic resonance spectroscopy (MRS), CBF using pseudo-continuous arterial spin labeling Magnetic Resonance Imaging (MRI), VO2max as a measure of cardiorespiratory fitness using the YMCA submax test, and cognitive and motor-cognitive measures using a battery of behavioral assessments. We observed expected differences in GABA+, Glx, and CBF between younger and older participants in pre-SMA, a frontal domain-general region. When GABA+ and Glx were related to CBF via multiple linear regression, Glx was identified as the main contributor to the model. For higher-order executive function (i.e., inhibition versus color naming), GABA*Glx*CBF interaction was critical in younger, while only Glx was involved in older participants. For unimanual motor dexterity, GABA*Glx interaction was the common denominator across both groups, but younger participants’ brain also engages CBF. In terms of selective motor inhibition, CBF from younger participants was the only major neurophysiological factor. In terms of fitness, cardiorespiratory fitness was significantly related to GABA, Glx, and motor performance when combining cohorts, but no group-specific relationships were observed. Taken together, our results indicate that Glx and CBF coupling decreases with aging, perhaps due to altered glial oxidative metabolism. Our data suggest that GABA, Glx, and CBF are engaged and weighted differently for different cognitive measures sensitized to aging, and higher fitness allows for a more efficient metabolic shift that facilitates improved performance on cognitive-motor tasks.

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Aging-related changes in the relationship between the physical self-concept and the physical fitness in elderly individuals.

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Aging-related changes in the relationship between the physical self-concept and the physical fitness in elderly individuals.

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