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KMID : 0377619970620010033
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Korean Jungang Medical Journal
1997 Volume.62 No. 1 p.33 ~ p.41
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Korean Judoists´ Bone Densities Examined by DEXV Method
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Kim Jung-Heang
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Abstract
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This study was focused on the bone density of Korean Judoists’ measured by DEXA method. The subjects of this study were forty-six nationally representative Judoists’ who participated to the examination proceeded at the department of Nuclear Medicine in Kyung Hee University. Bone Densitometry provided total body fat and body fat according to body part, the ratio of organic structure in left and right, bone mineral content, bone Ca content, and bone density.
The rank by body part as follow : lower limb > trunk > upper limb. In other hand, heavy weight Judoists´ group showed as the greatest value among three groups. Middle weight Judoists´ group showed as the second and light weight Judaists´ group was the third. Even though body fat percent measured by bio-measurement, dermatoscopic radio, and Bone Densitometry showed the significant different results, Bone Densitometry was indicated as the best measurement among those methods.
Trunk was highest, lower limb was the second, upper limb was the third, and head was the fourth ranked. In comparison of body composition between left and right sides, right side was superior than left side. Bone mineral, in value of content as well as percent in each body part, was examined for each subject.
It is very interesting that the decrease of bone marrow and body fitness are intractable. The clinical evidences were identified that Gibbs for limbs or long period of resting on the bed due hospitalization are influential in the decrease of bone marrow(Lee & Yeom, 1992). Osteoporosis which results the decrease of average bone marrow per unit of bone structure is one of the usual osteo-metabolic diseases. Bone structure which-is a basic system for physique continues as active destabilization during life time. The peak bone mass is established from age 12 to 40 with 10 to 15 % of total increase of bone mass(Heaney, 1982).
Therefore, the investigator accomplished this study sampling college judoists’ who were healthy enough and finished their physical growth, the most accurate DEXA examination was employed to measure bone density which was used to the calculation of the rates of body composition, body fat, body construction, bone mineral content, total bone Ca, bone density.
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