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이만균(ManGyoonLee),성순창(SoonChangSung),공성아(SungAKong) 한국체육학회 2005 한국체육학회지 Vol.44 No.5
This study was designed to create a regression equation for health-physical fitness age in the male elderly. Two hundred fifty healthy older men, aged 65~85years, were volunteered to participate in the study. Thirteen items of physical fitness for daily activity, several variables related to body composition, and blood pressure were measured. After performing primary component analysis, a regression equation for health-physical fitness age was created by utilizing first primary component before rotation as dependent variable and seven items representing each item after the rotation as predictors. The validity of the equation was confirmed by cross-validity test performed in other 50 older men. Therefore, the regression equation could be utilized as a useful index for degree of aging in older men. The regression equation is as follows:FAFS= -8.611+.005X1+0.0009X2+.053X3+.014X4+0.009X5+0.105X6+0.093X7 (R2=0.935) ----(1)(X1=DBP, X2=grip strength, X3=standing from sitting, X4=vertical jump, X5=sit-and-reach, X6=fat-free mass, X7=fat mass) AFA= 5.171FAFS+73.03 -----(2) Z = 1.376age-27.46 ------(3) AFAc = 5.171FAFS+73.03+Z ----(4)(AFA=activity fitness age, Z=correction factor, AFAc=corrected activity fitness age)The physical fitness age calculated by the regression equation after correction had a difference from chrolonical age, but the average of the physical fitness age was close to the chrolonical age. Additionally, the correlation coefficient between the activity fitness age and chrolonical age was .790(p=0.05). The quation created in the present study was unique because it could evaluate the health-related factors by including the diastolic blood pressure, fat-free mass, and fat mass, and because it could assess the degree of aging easily by including the components which could be measured by non-invasive method.The equation would be utilized for the exerdse prescription in the elderly, recruiting and the distribution of the elderly in the company.
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