여성 노인의 연령에 따른 근감소증 요인 비교
Comparison of Sarcopenia Factors According to Age in Elderly Women
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초록
본 연구는 60세 이상의 여성 노인을 연령에 따라 신체조성, 관절가동범위, 기능성 체력, 그리고 보행패턴 등 근감소증과 관련된 변인들의 차이를 비교하였다. 연구 대상자들은 70세 이하(n=77)와 70세 이상(n=59)으로 구분하였다. 본 연구에서 신체조성은 Inbody 720을 이용하여 측정하였고, 관절가동범위는 경사계를 이용하여 목과 허리부위의 움직임을 측정하였으며, 기능성 체력은 근력, 이동성, 유연성, 균형을 측정하였다. 그리고 보행능력은 시간적-공간적 변인을 구분하여 측정하였다. 본 연구의 결과에서 근감소증과 관련된 신체조성 변인 중 체지방율과 복부비만도가 70세 이하 집단에서 유의하게 낮게 나타났고, 기능성 체력 변인은 70세 이하의 집단에서 앉았다 일어서기, 윗몸 앞으로 굽히기, 우측 눈뜨고 외발서기, 좌측 눈뜨고 외발서기는 유의하게 높게 나타났으며, 2.45m 돌아오기, 10m 걷기, 10m 걸음수는 유의하게 빠르고 낮게 나타났다. 관절가동범위 변인은 70세 이하 집단에서 좌측 경추 회전, 경추 신전, 좌우 요추 회전 및 요추 굴곡과 신전에서 유의하게 높게 나타났다. 보행 관련 변인은 70세 이하 집단에서 보폭수는 유의하게 낮게 나타났고 보폭 길이와 활보장은 모두 좌우측에서 유의하게 높게 나타났다. 한발 지지 주기는 우측에서 유의하게 높고, 두발 지지 주기는 좌우측에서 유의하게 낮게 나타났고 두발 지지 시간은 좌우측에서 70세 이하 집단에서 유의하게 낮게 나타났다. 그리고 양발 뒤꿈치 사이 기저면은 70세 이상 집단에서 좌우측에서 유의하게 높게 나타났다. 결론적으로, 근감소증은 여성 노인의 체력, 운동, 그리고 독립생활 유지를 위한 중요한 문제이기에 생애 전환기 이전부터 근력, 평형성, 유연성에 초점을 둔 효율적인 운동프로그램이 제시되어야 할 것이다.
Abstract
The purpose of this study is to compare the differences in sarcopenia-related factors, such as body composition, functional fitness, and gait variables, among elderly women aged 60 years. Groups were classified according to age. The results of this study are as follows.: There were significant differences in Bodyfat% and WHR of body composition variables. Functional variables related to sarcopenia showed significant differences among subjects under 70 years of age, including sit-to-stand, sit & reach, right one leg with eyes open, left one leg with eyes open, timed up and go, and 10m walking speed, as well as the number of steps. Range of motion variables associated with sarcopenia showed significant differences in left cervical spine rotation, cervical spine extension, left and right lumbar rotation, and lumbar flexion and extension for the group under 70 years of age. Gait variables related to sarcopenia showed significant differences in stride length on both the left and right sides for the group under 70 years of age. Also, stride length showed significant differences on the left side for the group under 70 years of age. Normalized velocity was significantly higher in the group aged 70 years of age, as were the right side of the single support cycle, double support cycle on both the left and right sides, and double support load time for both sides. The heel-to-heel base support was significant on both the left and right sides for the group aged 70 years of age. In conclusion, Aging and sarcopenia are important for maintaining physical fitness, exercise, and independence in older women. Exercise programs that focus on improving strength, balance, and flexibility can help reduce the risk of falls and mitigate the effects of sarcopenia.
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