Gravity magnetic resonance imaging measurement of muscle pump change accompanied by aging and posture.
aging
blood flow velocity
magnetic resonance imaging
popliteal vein
Journal
Japan journal of nursing science : JJNS
ISSN: 1742-7924
Titre abrégé: Jpn J Nurs Sci
Pays: Japan
ID NLM: 101227890
Informations de publication
Date de publication:
20 Jan 2021
20 Jan 2021
Historique:
received:
14
07
2020
revised:
16
11
2020
accepted:
13
12
2020
entrez:
21
1
2021
pubmed:
22
1
2021
medline:
22
1
2021
Statut:
aheadofprint
Résumé
To date no age-comparative study has been reported about effect of exercise on muscle pump action change, while its effect is suggested to differ in ages. This study aims to clarify the changes in muscle pump action with aging by measuring the muscle and vein area, and blood flow in lower legs. Subjects were healthy volunteers and consisted of three groups: young age group (N = 20), middle age group (N = 20) and old age group (N = 16). The lower leg flexor muscle area and popliteal vein area were measured by using T1-weighed magnetic resonance imaging at the condition pre- and post-ankle exercise in three positions. Moreover, popliteal blood flow velocity was also measured using phase contrast magnetic resonance imaging. The elderly had the highest number of individuals who had exercise habits (p < .001). In a multiple linear regression analysis, sitting posture, leg muscle volume, and rate of change in the soleus muscle were significantly related to blood flow velocity change. No difference was found in the changes in muscle pump action with age. The study results suggested that elderly people with exercise habits might be able to maintain the muscle pump action.
Identifiants
pubmed: 33474807
doi: 10.1111/jjns.12407
pmc: PMC8359411
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e12407Informations de copyright
© 2021 The Authors. Japan Journal of Nursing Science published by John Wiley & Sons Australia, Ltd on behalf of Japan Academy of Nursing Science.
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