노르딕 걷기운동이 노인 여성의 골밀도 및 골 관련 지표에 미치는 영향 = Effects of Nordic Walking Exercise on Bone Density and Bone Relation Factors in Elderly Women

국문 초록 (Abstract)

본 연구는 지역 건강증진 운동 프로그램인 노르딕 걷기운동이 고령 여성의 골밀도 및 골 관련 지표(활성산소, 항산화능력, 동맥경직도)에 어떠한 영향을 미치는지를 알아보는 것이다. 노르딕 걷기운동은 주 4회(월, 수, 금, 토)의 빈도로20주 동안 최대심박수의 50~70% 강도로 매회 30~40분간 실시하였다. 60~70세 여성 42명을 대상으로 변인들을 측정비교 분석한 결과 다음과 같은 결론을 얻었다. 20주간의 노르딕 걷기운동 집단에서만 골질량지수는 증가, T-점수는감소를 각각 보였다. 또한, 활성산소는 감소를 항산화능력은 증가를 보였으며, 왼손, 오른손, 왼발, 오른발의 혈관탄성도가 각각 유의하게 감소하였다. 그리고, 골질량지수와 T-점수는 항산화능력과는 정상관의 관계, 활성산소와는 역상관의 관계를 각각 보이고 있다. 혈관탄성도와 활성산소는 역상관의 관계, 혈관탄성도와 항산화능력과는 정상관의높은 관련성을 각각 보이는 것으로 나타났다. 이상에서 살펴본 바와 같이 노르딕 걷기운동 프로그램이 고령 여성의골밀도, 활성산소, 항산화능력 및 동맥경직도에 긍정적인 영향을 미치는 것으로 나타났다.

다국어 초록 (Multilingual Abstract)

The purpose of this study was to investigate the effects of 20weeks nordic walking exercise on bone density, free radical,antioxidant capacity and blood vessel elasticity in elderly women. Subject of nordic walking exercise group performed the walking at 50~70%HRmax for 30~40min/session four times per week for 20weeks. The change of BQI and T-score were significantly increased after nordic walking exercise for 20weeks. Also, antioxidant capacity was significantly increased after nordic walking for 20weeks. And, free radical and blood vessel elasticity such at left hand, right hand, left foot, right foot were significantly decreased after nordic walking for 20weeks respectively. In the analysis of correlation, there are significant correlation between bone density and free radical(antioxidant capacity) as well as between bone density and blood vessel elasticity. Also, there are significant correlation between blood vessel elasticity wave velocity and free radical as well as between blood vessel elasticity and antioxidant capacity. In conclusions, this study suggests that the 20weeks nordic walking exercise program can improve bone density, free radical, antioxidant capacity and blood vessel elasticity in elderly women.

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