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KMID : 0357220090210020097
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Journal of Korean Society Physical Therapy
2009 Volume.21 No. 2 p.97 ~ p.101
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The Studies on the Foot Stability and Kinesiology by Direction of Carry a Load during Gait
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Lee Sang-Yeol
Bae Sung-Soo
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Abstract
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Purpose: This study examined how the direction of carrying a load affects the foot stability and kinesiology while walking.
Methods: The heel rotation, Hallux stiffness, foot balance, metatarsal load, toe out angle, subtalar joint flexibility were measured in 40 adults (men and women) who carried a load back and forth, walking on a 2-meter-long board. The measurement was carried out three times and the mean of the measurements was used to compare the difference between the front, back and the condition without a load.
Results: While walking, heel rotation and hallux stiffness occurred most when a front load was applied compared to a back load or no load condition (p<0.05). A metatarsal load also appeared to be the highest with the frond load, but there was no significant difference in the balance of the whole foot. Both the toe out angle and subtalar joint flexibility appeared to increase significantly (p<0.05).
Conclusion: Applying the front load causes subtalar joint instability and increases the plantar foot pressure imbalance during walking.
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KEYWORD
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Direction of carry a load, Foot movement, Foot stability
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