Relationship between Changes in Foot Arch and Sex Differences during the Menstrual Cycle.
arch height flexibility
arch height index
menstrual cycle
sex difference
Journal
International journal of environmental research and public health
ISSN: 1660-4601
Titre abrégé: Int J Environ Res Public Health
Pays: Switzerland
ID NLM: 101238455
Informations de publication
Date de publication:
28 12 2022
28 12 2022
Historique:
received:
30
11
2022
revised:
25
12
2022
accepted:
26
12
2022
entrez:
8
1
2023
pubmed:
9
1
2023
medline:
11
1
2023
Statut:
epublish
Résumé
This study investigated the relationship between changes in foot characteristics and sex differences during the menstrual cycle in healthy male and female university students. We examined 10 female subjects and 14 male subjects. The menstrual cycle was divided into the three phases: the early follicular phase, ovulatory phase, and luteal phase via basal body temperature, an ovulation kit, and salivary estradiol and progesterone concentration measurements. Foot characteristics required for the calculation of the arch height index (AHI) were measured using a three-dimensional foot scanner under conditions of 10% and 50% weight-bearing loads. Arch height at 50% of foot length and truncated foot length were measured, and AHI was calculated by dividing arch height by truncated foot length. Arch height flexibility (AHF) was defined as the change in arch height from 10% weight-bearing load to 50% weight-bearing load. AHI was significantly lower in females than in males in the early follicular and ovulatory phases but did not differ significantly between males and females in each phase. AHF did not differ significantly between males and females in each phase. AHI and AHF showed no periodic fluctuation, suggesting that sex differences in AHF may be absent.
Identifiants
pubmed: 36612829
pii: ijerph20010509
doi: 10.3390/ijerph20010509
pmc: PMC9819586
pii:
doi:
Substances chimiques
Progesterone
4G7DS2Q64Y
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
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