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KMID : 1211620120070040459
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Journal of the Korean Society of Physical Medicine
2012 Volume.7 No. 4 p.459 ~ p.469
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The Effects of Asymmetric Bag Carrying during Walking on Plantar Pressure
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Park Soo-Jin
Lee Jung-Ho
Kim Jin-Sang
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Abstract
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Purpose: The purpose of the present study was to examine changes caused by asymmetric bag carrying methods to carry the bag with one shoulder only to plantar pressure during walking.
Methods: Twenty three normal adults without any gait problem participated in the present study. Experimental conditions used consisted of walking without carrying any bag(condition 1), walking wearing a bag on both shouders (condition 2), and walking wearing a bag on the right shoulder(condition 3) and the weight of the bag was set to 15% of each subject’s body weight. All the subjects were instructed to participate in all experiments under these three conditions and plantar pressures were measured from the subjects’ right and left feet using an F-scan system while the subjects were walking under the three conditions. To analyze the measured plantar pressure, the sole was divided into seven areas (Hallux, Toe, Met1, Met23, Met45, Mid foot and Heel) and maximum plantar pressures in individual areas were measured.
Results: The results of measurement of plantar pressures under three walking conditions did not show significant changes in any areas of the left and right feet except for the mid foot area of the right food. The asymmetry between the left and right feet was examined and the results showed significant differences only in area Met23 under condition 2 and did not show significant differences in any other areas.
Conclusion: On comprehensively considering the results of the present study, it could be seen that asymmetric bag carrying did not have large effects on changes in plantar pressure during walking compared to symmetric carrying. The reason for this is considered to be posture adjusting mechanisms against load positions.
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KEYWORD
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Asymmetric, Bag carrying methods, Plantar pressure
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