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| 2. |
- Eek, Frida, et al.
(författare)
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Self-perceived changes in physical activity and the relation to life satisfaction and rated physical capacity in swedish adults during the covid-19 pandemic—a cross sectional study
- 2021
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Ingår i: International Journal of Environmental Research and Public Health. - : MDPI AG. - 1661-7827 .- 1660-4601. ; 18:2
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Tidskriftsartikel (refereegranskat)abstract
- COVID-19 restrictions may prevent people from reaching recommended levels of physical activity (PA). This study examines self-perceived changes in the extent and intensity of PA during the COVID-19 pandemic, and the relation between perceived changes in PA and general life satisfaction and perceived physical capacity. A total of 1318 participants (mean age 47.8 SD12.6; 82.1% women) were recruited through social media in Sweden during autumn 2020. The survey included questions regarding perceived changes in PA compared to the previous year, the “Rating of Perceived Capacity” scale and “Life Satisfaction Questionnaire-11”. A change in PA was reported by 65% of participants. More participants reported an increase (36%) than a decrease (29%), however a decrease in PA was significantly more often considered to be due to the pandemic. The highest odds of decreased PA was found in the oldest age group (70+ years) (OR 2.8; 95% CI 1.4–5.7). Those who reported decreased levels of PA reported lower life satisfaction and aerobic capacity than the other groups (p > 0.001). Decreased physical activity was reported by many, but an equal share reported increased activity during the pandemic. The highest odds for decreased activity was found in the oldest group—the group that has been subjected to the strictest recommended COVID-19 restrictions in Sweden.
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| 4. |
- Engstrom, Elise, et al.
(författare)
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Comparison of heart rate measured by Polar RS400 and ECG, validity and repeatability
- 2012
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Ingår i: Advances in Physiotherapy. - : Informa Healthcare. - 1403-8196 .- 1651-1948. ; 14:3, s. 115-122
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Tidskriftsartikel (refereegranskat)abstract
- Aims: The purpose of this study was to investigate criterion-related validity and testretest repeatability of the heart rate monitor Polar RS400 versus electrocardiogram (ECG). Methodology: Ten healthy subjects, 19-34 years, performed a cycle ergometer test 5 min on each load (50, 100 and 150 W). Heart rate (HR) was measured with ECG and Polar RS400 and recorded digitally. After at least one hour resting the test was repeated. Major findings: The results showed a significant correlation between HR measured by ECG and by Polar RS400 with correlation coefficients ranging from 0.97 to 1.00. In test 1 the mean difference ±2SD between HR Polar and HR ECG was 0.7±4.3 bpm and in test 2, 0.2±3.2 bpm. In the repeated tests, the mean difference of HR between test 2 and test 1±2SD was 3.2±11.9 bpm with ECG and 2.6±14.3 bpm with Polar RS400 and these differences were not statistically significant. Conclusion: This study indicates good criterion-related validity and testretest repeatability of Polar RS400. Differences observed at individual levels should be noticed, but are not considered to be clinically important. Polar RS400 is thus well suited for recording HR during physical activity and exercise training. © 2012 Informa Healthcare.
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| 5. |
- Engström, E, et al.
(författare)
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Comparison of heart rate measured by Polar RS 400 and ECG, validity and repeatability .
- 2012
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Ingår i: Advances in Physiotherapy. - 1651-1948. ; 14:3, s. 115-122
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Tidskriftsartikel (refereegranskat)abstract
- Aims: The purpose of this study was to investigate criterion-related validity and test–retest repeatability of the heart rate monitor Polar RS400 versus electrocardiogram (ECG). Methodology: Ten healthy subjects, 19–34 years, performed a cycle ergometer test 5 min on each load (50, 100 and 150 W). Heart rate (HR) was measured with ECG and Polar RS400 and recorded digitally. After at least one hour resting the test was repeated. Major findings: The results showed a significant correlation between HR measured by ECG and by Polar RS400 with correlation coefficients ranging from 0.97 to 1.00. In test 1 the mean difference ± 2SD between HR Polar and HR ECG was 0.7 ± 4.3 bpm and in test 2, 0.2 ± 3.2 bpm. In the repeated tests, the mean difference of HR between test 2 and test 1 ± 2SD was 3.2 ± 11.9 bpm with ECG and 2.6 ± 14.3 bpm with Polar RS400 and these differences were not statistically significant. Conclusion: This study indicates good criterion-related validity and test–retest repeatability of Polar RS400. Differences observed at individual levels should be noticed, but are not considered to be clinically important. Polar RS400 is thus well suited for recording HR during physical activity and exercise training.
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| 6. |
- Garland, Stephen, et al.
(författare)
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Is Ross treadmill method an alternative to Åstrand cycle ergometer method?
- 2017
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Ingår i: European Journal of Physiotherapy. - : Informa UK Limited. - 2167-9169 .- 2167-9177. ; 19:3, s. 167-172
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Tidskriftsartikel (refereegranskat)abstract
- Aims: To assess the agreement between the Ross treadmill method and the Åstrand ergometer cycle method, and the repeatability of each method. Methodology: Twenty healthy people aged 22.5 ± 2.2 years were tested on two different days, each day with both methods with a pause of 30 min between the tests. The tests were executed in the reverse order the following test day. Major findings: There was no statistical difference between the methods. The correlation (R) between the methods was 0.85. The mean difference (95% CI) of the methods was 0.050 (0.046–0.054) L/min and the limit of the agreement (mean difference ±2SD) was 0.81 L/min. No significant differences in test-retest were shown for either test. The mean difference for Åstrand tests was 0.12 L/min and 0.08 L/min for the Ross tests. The coefficient of repeatability was 0.88 L/min (23%) for the Åstrand test, and 0.78 L/min (20%) for the Ross test. Conclusion: The Ross treadmill test could be used as an alternative to the Åstrand cycle ergometer test, showing good agreement and repeatability. The large variation should be considered when estimating aerobic capacity on an individual level, although either method could be used for group studies where maximal measurements are not possible.
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| 7. |
- Gustafsson, Anna, et al.
(författare)
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Effects of Acute Exercise on Circulating Soluble Form of the Urokinase Receptor in Patients With Major Depressive Disorder
- 2017
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Ingår i: Biomarker Insights. - : Sage Publications. - 1177-2719. ; 12, s. 1-6
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Tidskriftsartikel (refereegranskat)abstract
- Inflammation has been proposed to play a role in the generation of depressive symptoms. Previously, we demonstrated that patients with major depressive disorder (MDD) have increased plasma levels of the soluble form of the urokinase receptor (suPAR), a marker for low-grade inflammation. The aim of this study was to test the hypothesis that acute exercise would induce inflammatory response characterized by increased suPAR and elucidate whether patients with MDD display altered levels of suPAR in response to acute exercise. A total of 17 patients with MDD and 17 controls were subjected to an exercise challenge. Plasma suPAR (P-suPAR) was analyzed before, during, and after exercise. There was a significantly higher baseline P-suPAR in the patients with MDD, and the dynamic changes of P-suPAR during the exercise were significantly lower in the patients with MDD, compared with the controls. This study supports the hypothesis that an activation of systemic inflammatory processes, measured as elevated P-suPAR, is involved in the pathophysiology of depression. The study concludes that P-suPAR is influenced by acute exercise, most likely due to release from activated neutrophils.
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| 8. |
- Gustafsson, Gunnar, et al.
(författare)
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The acute response of plasma brain-derived neurotrophic factor as a result of exercise in major depressive disorder.
- 2009
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Ingår i: Psychiatry Research. - : Elsevier BV. - 1872-7123 .- 0165-1781. ; 169:3, s. 244-248
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Tidskriftsartikel (refereegranskat)abstract
- Brain-derived neurotrophic factor (BDNF) and other neurotrophins are believed to play an important role in affective disorders. In this study we investigated plasma-BDNF response during an incremental exercise test in 18 patients suffering from moderate major depressive disorder (MDD) and 18 controls. The patients were not treated with antidepressants or neuroleptics. Possible associations between plasma plasma-BDNF levels, dexamethasone suppression test cortisol levels and Montgomery-Asberg Depression Rating Scale (MADRS) scores were also tested. No difference in basal BDNF levels between patients and controls was found. BDNF increased significantly during exercise in both male and female patients as well as in male controls, with no significant differences between the groups. BDNF levels declined after exercise, but after 60 min of rest BDNF levels showed tendencies to increase again in male patients. No correlation between BDNF and cortisol or MADRS scores was found. We conclude that unmedicated patients with moderate depression and normal activity of the hypothalamic-pituitary-adrenal axis do not have a disturbed peripheral BDNF release during exercise. The BDNF increase 60 min after interruption of exercise in male patients might indicate up-regulated BDNF synthesis, but this needs to be further investigated in future studies.
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| 9. |
- Hagströmer, Maria, et al.
(författare)
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Att bedöma och utvärdera fysisk aktivitet vid rådgivning i vården.
- 2015
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Ingår i: Läkartidningen. - 0023-7205. ; 112
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Tidskriftsartikel (refereegranskat)abstract
- To make individualized counseling possible, valid and reliable measures of physical activity are necessary. In health care, quality must be continuously secured and developed. Follow-up of life-style habits such as physical activity does not differ from monitoring of other treatment in the health care setting. After counseling and appropriate period of time, evaluation should be done to assess if there has been any change in the physical activity level. For assessment and evaluation of physical activity in routine clinical practice the National Board for Health and Social Welfare indicator questions regarding physical activity are recommended. For a more detailed assessment and evaluation of physical activity and sedentary behavior comprehensive validated instruments/diaries should be used. For precise and objective assessment and evaluation of both physical activity and sedentary behavior, movement sensors are recommended.
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| 10. |
- Hagströmer, M, et al.
(författare)
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Bedöma och utvärdera fysisk aktivitet
- 2015
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Ingår i: FYSS Fysisk aktivitet i sjukdomsprevention och sjukdomsbehandling.
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Bokkapitel (populärvet., debatt m.m.)
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