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Investigation of the relationship between localized cumulative stress and plantar tissue stiffness in healthy individuals using the in-vivo indentation technique

Title
Investigation of the relationship between localized cumulative stress and plantar tissue stiffness in healthy individuals using the in-vivo indentation technique
Authors
Yum, HaeunEom, So YoungLee, YeokyeongKim, JinahLee, JihyeTeoh, Jee ChinLee, Taeyong
Ewha Authors
이지혜이태용
SCOPUS Author ID
이태용scopus
Issue Date
2019
Journal Title
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS
ISSN
1751-6161JCR Link

1878-0180JCR Link
Citation
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS vol. 98, pp. 157 - 162
Keywords
Plantar soh tissueStiffnessIndentationThicknessProlonged weight bearing
Publisher
ELSEVIER
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
This study was conducted to determine whether prolonged and repetitive exercise stiffens the plantar soft tissue. Healthy female subjects in their early 20s with a similar body mass index but different majors (13 engineers (controls) and 13 ballet dancers) were recruited. Tissue thickness was measured using ultrasound, while peak stress, stress distribution, and center of pressure were obtained Zebris (R) pressure mat. Stiffness was evaluated using a custom-made tissue indentation system. F-test and independent sample T-test were used to determine significant differences between the two groups. No significance was found in the thickness of the second sub metatarsal head (MTH) and heel between the two groups. In the second sub-MTH, the ballet group showed higher peak stress, loading rate, and stiffness than the control group. Conversely, in the heel region, all the results were higher for the control group. The results of this study quantify the impact of exercise on the stiffness of plantar soft tissue and confirm that even healthy individuals who do prolonged and repetitive exercise have stiffer plantar soft tissue.
DOI
10.1016/j.jmbbm.2019.06.020
Appears in Collections:
엘텍공과대학 > 휴먼기계바이오공학부 > Journal papers
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