Comparison of Plantar Pressure Distribution in Dominant & Non-dominant leg of female Kata and Kumite National Team

• Main Authors: Elnaz Dizaji, Raghad Memar, Heydar Sadeghi
• Format: Article
• Language: fas
• Published: Islamic Azad University, Hamedan Branch 2016-09-01
• Series: Biyumikānīk-i varzishī
• Subjects: Karate; Kata; Kumite; Dominant leg; Plantar pressure
• Online Access: http://biomechanics.iauh.ac.ir/browse.php?a_code=A-10-107-1&slc_lang=en&sid=1

Objective: The aim of this study was to compare the plantar pressure distribution of dominant and non-dominant legs of females who were participated in the kata and kumite national team. Methods: Twelve kumite and 8 kata female athletes of the Karate national team participated in this study. Plantar pressure was measured using emed platform during barefoot walking. After dividing the foot into 10 masks, peak pressure, pressure-time integral, maximum force and force-time integral were calculated. Wilcoxon and U-Mann-Witney tests were used to analyze parameters at a significance level of p ≤ 0.05. Results: In comparison of kata and kumite teams it was found that, kata plantar pressure parameters in Metatarsal-2 (p=0.05) and Metatarsals-3, 4, 5 (p=0.04) were significantly less than those in kumite. Also, in comparison of dominant and non-dominant leg, plantar pressure parameters of dominant leg were less in Metatarsal-2 (p=0.04) and more in Bigtoe (p=0.04) and Toes-3, 4, 5 (p=0.03) than those in the non-dominant leg. Conclusion: Results may be indicative different of natures of the two athletic fields in that Kumite has a higher impact on plantar pressure due to higher mechanical loads. Furthermore, the unequal use of the legs may affect plantar pressure because of leg dominance. Thus, further and more comprehensive studies are necessary to prevent exercise-induced adaptations in professional levels and their treatments.