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Iron status determined changes in health measures induced by nordic walking with time-restricted eating in older adults– a randomised trial
Abstract
Background and aims This study evaluated whether stored iron determines the adaptive response induced by Nordic walking (NW) training combined with 10 hours’ time-restricted eating (TRE) in older adults. Trial design and methods Twenty-four participants underwent 12-week NW training supported by 10 h of TRE. The group was divided due to baseline ferritin concentration low < 75 ng/ml (LF) and high level ≥ 75 ng/ml (HF). Body composition, physical fitness and blood collection were assessed at baseline and post-intervention. Results NW + TRE induced a statistically significant decrease in ferritin levels in all participants (p = 0.01). Additionally, statistically significant intergroup differences in the LF vs. HF in the reduction of serum ferritin levels (p = 0.04) were observed. The procedure NW + TRE diminished HbA1c levels (p < 0.01) and glucose in all participants (p = 0.05). The range of HbA1c drop was more pronounced among those participants who experienced a greater decrease in the stored iron (p = 0.04, =0.17, F=4.59). Greater changes in body weight and percent of body fat were recorded in the HF group (for both p<0.01). Conclusion Body iron stores determine the effects of a 12-week NW + TRE intervention on serum ferritin. The changes in HbA1c are more pronounced in subjects with a higher decrease in serum ferritin.
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Authors (13)
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Jakub Antoni Kortas
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Joanna Reczkowicz
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Ulana Juhas
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Ewa Ziemann
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Aleksandra Świątczak
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Katarzyna Prusik
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Szczepan Olszewski
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Nakisa Soltani
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Ewa Rodziewicz-Flis
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Damian Flis dr
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Małgorzata Żychowska
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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BMC Geriatrics
no. 24,
ISSN: 1471-2318 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Kortas J. A., Reczkowicz J., Juhas U., Ziemann E., Świątczak A., Prusik K., Olszewski S., Soltani N., Rodziewicz-Flis E., Flis D., Żychowska M., Gałęzowska G., Antosiewicz J.: Iron status determined changes in health measures induced by nordic walking with time-restricted eating in older adults– a randomised trial// BMC Geriatrics -,iss. 1 (2024),
- DOI:
- Digital Object Identifier (open in new tab) 10.1186/s12877-024-04876-8
- Sources of funding:
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- Free publication
- Verified by:
- Gdańsk University of Technology
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