Laura Karavirta
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Explore the profile of Laura Karavirta including associated specialties, affiliations and a list of published articles.
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Recent Articles
11.
Koivunen K, Portegijs E, Karavirta L, Rantanen T
Geroscience
. 2023 Sep;
46(2):1575-1588.
PMID: 37656329
Reduced age-specific mortality and increased muscle strength and walking speed of current older adults may have altered the relationships between these factors as more people may be above the reserve...
12.
Lopponen A, Delecluse C, Suorsa K, Karavirta L, Leskinen T, Meulemans L, et al.
Med Sci Sports Exerc
. 2023 Apr;
55(9):1525-1532.
PMID: 37005494
Purpose: Five times sit-to-stand (STS) test is commonly used as a clinical assessment of lower-extremity functional ability, but its association with free-living performance has not been studied. Therefore, we investigated...
13.
Hinrichs T, Portegijs E, Rantanen T, Infanger D, Schmidt-Trucksass A, Karavirta L
Exp Gerontol
. 2022 Aug;
167:111925.
PMID: 35963452
Background And Aim: Arterial stiffening - a process that is largely due to intimal thickening, collagen disposition or elastin fragmentation - significantly contributes to cardiovascular events and mortality. There is...
14.
Lopponen A, Karavirta L, Koivunen K, Portegijs E, Rantanen T, Finni T, et al.
J Gerontol A Biol Sci Med Sci
. 2022 Mar;
77(8):1644-1653.
PMID: 35313347
Background: Good sit-to-stand (STS) performance is an important factor in maintaining functional independence. This study investigated whether free-living STS transition volume and intensity, assessed by a thigh-worn accelerometer, is associated...
15.
Rantalainen T, Koivunen K, Portegijs E, Rantanen T, Palmberg L, Karavirta L, et al.
Med Sci Sports Exerc
. 2022 Feb;
54(7):1210-1217.
PMID: 35220366
Purpose: Information about mobility and physical function may be encoded in the complexity of daily activity pattern. Therefore, daily activity pattern complexity metrics could provide novel insight into the relationship...
16.
Karavirta L, Leppa H, Rantalainen T, Eronen J, Portegijs E, Rantanen T
J Gerontol A Biol Sci Med Sci
. 2021 Sep;
77(3):597-604.
PMID: 34590115
Background: The usual accelerometry-based measures of physical activity (PA) are dependent on physical performance. We investigated the associations between PA relative to walking performance and the prevalence and incidence of...
17.
Lopponen A, Karavirta L, Portegijs E, Koivunen K, Rantanen T, Finni T, et al.
Sensors (Basel)
. 2021 Sep;
21(18).
PMID: 34577275
(1) Background: The purpose of this study was to evaluate the day-to-day variability and year-to-year reproducibility of an accelerometer-based algorithm for sit-to-stand (STS) transitions in a free-living environment among community-dwelling...
18.
Leppa H, Karavirta L, Rantalainen T, Rantakokko M, Siltanen S, Portegijs E, et al.
Aging Clin Exp Res
. 2021 Aug;
33(10):2909-2916.
PMID: 34417731
Background: Outdoor mobility enables participation in essential out-of-home activities in old age. Aim: To compare changes in different aspects of outdoor mobility during COVID-19 restrictions versus two years before according...
19.
Skantz H, Rantalainen T, Karavirta L, Rantakokko M, Palmberg L, Portegijs E, et al.
J Aging Phys Act
. 2021 Mar;
29(6):1018-1025.
PMID: 33780907
The authors examined whether accelerometer-based free-living walking differs between those reporting walking modifications or perceiving walking difficulty versus those with no difficulty. Community-dwelling 75-, 80-, or 85-year-old people (N =...
20.
Palmberg L, Portegijs E, Karavirta L, Rantanen T
J Gerontol A Biol Sci Med Sci
. 2021 Mar;
76(8):e159-e160.
PMID: 33649756
No abstract available.