성인여성의 집단 간 신체조성 및 등속성 하지근력 특성 분석 = The characteristic analysis of body composition and isokinetic leg strength in adult females

다국어 초록 (Multilingual Abstract)

[Purpose] The purpose of this study was to provide the physiological characteristics of female adults in their 30s by comparing the body composition and the maximal strength of the knee extension and flexion and bilateral ratio and ipsilateral ratio(H/Q: Hamstring and Quadriceps ratio) depending on age. [Methods] Body composition was measured by Hv-ps 7681(GE medical systems Lunar, USA). Isokinetic lower limb muscular strength was measured by Isomed2000(D&R Ferstl GMBH, Germany). 92 volunteers who were chosen by our selection criteria agreed to participate in our study. The participants were divided into three groups depending on age and classified as female adults in twenties(n=30), in thirties(n=34), in forties(n=28). To evaluate differences according to age, One-way ANOVA was used. [Results] The result in the test for female adults is as follows. In body composition, there were significant differences in lean mass, bone mineral density in the legs area among groups(p<.05). In isokinetic test, there were significant differences in muscular strength among groups in extensor of knee(p<.05). [Conclusion] The finding revealed that strength training based on the characteristics depending on age is required and ipsilateral ratio needs to be improved.

국문 초록 (Abstract)

[목적] 본 연구의 목적은 연령에 따른 신체조성과 슬관절 굴신근력 및 양측 근력비율과 동측 근력 비율 (H/Q : 무릎 관절 대퇴 근력 비율)을 비교하여 30대 전후 여성 성인들의 생리학적 근골격계 특성을 탐색하는데 있다. [방법] 신체조성의 측정은 이중에너지 엑스레이 방사선 흡수 계측(DEXA; Dual-energy X-ray absorptiometry)원리를 사용하는 Hv-ps 7681(GE medical systems Lunar, USA)을 이용하여 분석하였으며, 등속성 각근력의 측정은 Isomed2000(D & R Ferstl GMBH, Germany)을 사용하여 실시되었다. 본 연구의 대상자는 수도권에 거주하는 성인여성 92명이 참여하였으며, 이들은 연령에 따라 세 그룹으로 나뉘어 20대 그룹(30명), 30대 그룹(34명), 40대 그룹(28명)의 여성 성인으로 분류되었다. 집단 간 차이를 검증하기 위해 일원분산분석(One-way ANOVA)을 실시하였으며, 다음과 같은 결론을 얻었다. [결과] 연령별 구분에 따른 성인여성의 신체조성은 하지 근육량과 하지 골밀도에서 집단 간 유의한 차이를 보였다(p<.05). 연령별 구분에 따른 슬관절 근력은 신근근력에서 집단 간 유의한 차이를 보였다(p<.05). [결론] 본 연구를 바탕으로 연령별 운동능력 특성을 고려한 효율적 트레이닝 방법의 적용과 체계적인 보완 훈련 목표치를 제시할 수 있을 것으로 사료된다.

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