Foot longitudinal arch burdened with its weight with reference to females at the age between 21 and 23 in the light of projection moirě
Journal Title: Antropomotoryka. Journal of Kinesiology and Exercise Sciences - Year 2009, Vol 19, Issue 46
Abstract
[b]Introduction[/b]. The muscle system ensuring a full efficiency of a foot works in its specific lifting system. Thepassive-active system functions well in rhythmic work when it is subject to alternate contractions and decontractions; this is the time of regeneration. While in motion some muscles contract in a concentric way by bending in a joint, whereas other muscles strain in an eccentric way, concentrating bent.[b]Aim of the work[/b]. Determination of parameters describing a foot of an adult, fully fit and healthy female.[b]Subjects and methodology[/b]. The research covered 60 female recruits at the age between 21 and 23 of the autumn recruitment to the Higher Officer School of Ground Forces. For the purpose of the assessment of values of selected parameters describing a habitual posture, the attitude towards a computer assessment of posture – Posturometr M has been used.[b]Results[/b]. As regards the length of the right foot, the average value is 242.8 mm, and as for the left one it is 241.32 mm, with a great spread of the right foot from 219.0 to 261.0 mm and from 213.0 to 257.0 mm for the left one. The difference of length, when the right one is longer, is on average 1.1 with terminal values from 0.0 mm to 14.0 mm, the difference is 0.43% with min/max 0.0/5.8%, in the case of the left foot – 2.47 mm with disparity from 0.0 to 10.0 mm, and the difference is 1.02% with min/max values from 0.0 to 4.1%.[b]Conclusions[/b]. 1. The females at the age 21–23 subject to research show 0.43% difference in the length of feet when the right one is longer, and 1.02% when the left one is longer, 3.43% difference in the width when the right is wider and 1.86% when the left one is wider. 2. The average valgity angle of the right foot hallux falls within the limits from 3 to 6 degrees, and in the case of the left foot from 3 to 5 degrees. 3. The average varus deformity angle of the right foot little toe from 0 to 16 degrees, and in the case of the left one from 0 to 20 degrees. 4. The average heel angle for both feet falls within the brackets of 15–16 degrees. When the right foot plantar surface is greater, the difference is 22.94%, when the left is greater, it is 0.46%. 5. The average Clarke’s angle of the right foot is 38.12, and in the case of the left one it is 40.97 degrees.
Authors and Affiliations
Mirosław Mrozkowiak
Keywords
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