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Asian J Kinesiol > Volume 15(4); 2013 > Article
The Official Journal of the Korean Academy of Kinesiology 2013;15(4):117-127.
DOI: https://doi.org/10.15758/jkak.2013.15.4.117     Published online October 31, 2013.
Correlationship between Balance Ability, and Muscular Fitness in the Mid-old Aged
Hyuk-Soo Shin, Jung-Sok Oak, Mi-Hyun No
Dankook University
Correspondence:  Jung-Sok Oak,
Email: jsoak@dankook.ac.kr
Received: 1 July 2013   • Accepted: 20 July 2013
Abstract

INTRODUCTION
The purpose of this study was to analysis between balance ability, strength, and muscle power and investigate gender differences of these variables.
METHOD
Two hundreds sixty subjects (130 male and 130 female in mid-age group) participated in this study. We used balance system SD (Biodex Medical System Inc., U.S.) to obtain static and dynamic balance index and biodex system 4 pro, an isokinetic test equipment for left, right knee strength and muscle power. Pearson's correlation value between the observed variables were obtained and their significance verified. Independence sample T-test were performed with α = .05.
RESULTS
The findings were as followings: First, the static and dynamic balance ability and knee muscle strength were significantly correlated. Second, the static and dynamic balance ability and knee muscle power had a significant correlation. Third, left/right knee strength and knee muscle power in men and women were significantly correlated with each other. Fourth, the static balance ability of the left leg support and right leg support showed stronger results in men than women, but women were better than men for the dynamic balance ability of the right leg support and both legs support. Fifth, knee muscle strength was higher in men than women. Sixth, muscle power was higher in men than women.
CONCLUSION
These results suggest that participants in mid-old aged show consistent correlation with muscle strength and muscle power per unit weight. Therefore, the weigh may be a critical factor to maintain their balance. Conversely, there was no significant difference between muscle strength and muscle power on gender, dynamic and static balance ability. There are more complex and sensitive factors involved in balance ability, thus further follow-up study will be needed in the future. 논문투고일 : 2013. 7. 1 1차 수정일 : 2013. 7. 16 게재확정일 : 2013. 7. 20
Keywords: Balance ability, Strength, Muscular power, Sex difference


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