Document Detail


Distribution of plantar pressure on the second metatarsal head during walking.
MedLine Citation:
PMID:  15318276     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND AND PURPOSE: Although high pressure occurs on the second metatarsal head during waking, the distribution of this plantar pressure has not been reported. The purpose of the study was to analyze the distribution of plantar pressure on the second to the fourth metatarsal heads during walking in healthy adults. METHODS: Plantar pressure was measured at the second and adjacent metatarsal heads by 2.54 mm x 2.54 mm transducers during walking in 72 healthy adults (32 women and 40 men). Data at the instant of peak pressure were analyzed using spatial statistics. The length and width of 90% predicted peak pressure (PPP), and anterior and posterior extents to 80, 70, 60, and 50% PPP were regressed by peak pressure, body height, body weight, gender, and foot length of the subjects. RESULTS: The distribution parameters of plantar pressure decreased proportionally from the second to the fourth metatarsal heads, and were different from the first metatarsal head. The distribution parameters were inversely correlated to peak pressure. Besides peak pressure, the length and width of 90% PPP, and anterior extent to 80% PPP could be predicted by body weight. The anterior extent to 70% PPP could be predicted by foot length. The posterior extent to 80, 70, 60, and 50% PPP could be predicted by body height of the subjects. CONCLUSIONS: Besides peak pressure, the distribution of plantar pressure was correlated with body weight, body height, and foot length at different areas on the second metatarsal head in normal adults.
Authors:
Wei-Li Hsi; Jiunn-Horng Kang; Jin-Shin Lai
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of the Formosan Medical Association = Taiwan yi zhi     Volume:  103     ISSN:  0929-6646     ISO Abbreviation:  J. Formos. Med. Assoc.     Publication Date:  2004 Jul 
Date Detail:
Created Date:  2004-08-19     Completed Date:  2004-12-02     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9214933     Medline TA:  J Formos Med Assoc     Country:  China (Republic: 1949- )    
Other Details:
Languages:  eng     Pagination:  540-5     Citation Subset:  IM    
Affiliation:
Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei.
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MeSH Terms
Descriptor/Qualifier:
Adult
Biomechanics
Body Height / physiology
Body Weight / physiology
Female
Foot / physiology*
Humans
Male
Metatarsal Bones / physiology*
Pressure
Walking / physiology*

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