Journal of Industrial Convergence (산업융합연구)

DAEHAN Society of Industrial Management (대한산업경영학회)
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Difference of Hormone, Bone mineral density, Anaerobic exercise capacity and Isokinetic strength according to menstruation condition in female weightlifters

여자 역도선수의 월경상태에 따른 호르몬, 골밀도, 무산소성 운동능력과 등속성 근력의 차이

  • Choi, Sun-Hyang (Graduate school of Sports and Leisure studies, Korea National Sport University) ;
  • Ji, Mu-Yeop (Department of Physical Education, Korea National Sport University) ;
  • Song, Ki-Jae (Department of Physical Education, Korea National Sport University) ;
  • Oh, Jae-Keun (Health and Exercise Science, Korea National Sport University) ;
  • Yoon, Jin-Ho (Department of Sports Rehabilitation, Korea Nazarene University)
  • 최선향 (한국체육대학교 사회체육대학원) ;
  • 지무엽 (한국체육대학교 체육학과) ;
  • 송기재 (한국체육대학교 체육학과) ;
  • 오재근 (한국체육대학교 운동건강관리학과) ;
  • 윤진호 (나사렛대학교 스포츠재활전공)
  • Received : 2021.02.28
  • Accepted : 2021.04.20
  • Published : 2021.04.30
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Abstract

In this study, female weightlifters were classified as normal menstruation group and irregular menstruation group to investigate the difference in hormone levels, bone mineral density, anaerobic exercise capacity and muscle strength according to the menstruation condition. The results of the study are as follow; Upon assessing the hormone levels of estradiol and progesterone in the luteal phase between groups, there was no significant difference. Upon assessing the bone mineral density of each body part of arms, legs, trunk, ribs, pelvis, spine, and total bone mineral density between groups, that of spine tended to be lower in the irregular menstruation group than the normal menstruation group, but there was no statistically significant difference. Upon assessing the anaerobic exercise capacity between groups there were no significant differences in the maximum power per body weight, mean power per body weight and fatigue index. Upon assessing the isokinetic trunk muscle strength between groups, there were no significant differences in the maximum torque per body weight, total work per body weight, and mean work per body weight. Therefore in future studies, if a variety of study subjects according to menstruation condition by weight division can be secured and reevaluation of various diseases that cause a deficit in the menstruation cycle can be carried out, then it can be useful data for the management of the athlete's condition of female athletes.

이 연구는 여자 역도선수의 월경상태에 따라 정상월경(N=5)과 월경불순(N=5)으로 집단을 설정하여 호르몬, 골밀도, 무산소성 운동능력, 근력의 차이를 규명하기 위해 진행하였다. 집단 간 차이를 확인하기 위해 비모수 검증 방법인 Mann whitney U-test를 실시하였으며, 모든 검증의 유의수준은 p=.05로 설정하였다. 난소 호르몬 측정 결과 에스트라디올(estradiol)과 프로게스테론(progesterone)에서 집단 간 유의한 차이가 없었다. 골밀도 측정 결과 모든 변인에서 집단 간 유의한 차이가 나타나지 않았다. 무산소성 운동능력 측정 결과 체중 당 최대파워, 평균파워, 피로지수 모두 집단 간 유의한 차이가 나타나지 않았다. 등속성 체간 근력 측정 결과 체중 당 최대회전력, 총 일량, 평균일량 모두 집단 간 유의한 차이가 나타나지 않았다. 이상 월경상태에 따른 집단 간 차이는 없었지만 두 집단 모두 호르몬 수치가 정상범위 내에서 낮은 경향을 미루어 보아 오랜 기간 고강도의 훈련이 난소호르몬에 영향이 있을 수 있다고 생각되며, 추후 월경불순집단에 포함된 세부 월경상태를 다양한 집단으로 세부 분류하고 월경에 영향을 미치는 다양한 질환 등이 포함된 연구 필요할 것으로 판단된다.

Keywords

Acknowledgement

This article is a condensed form of the first au-thor's master's thesis from Korea National Sport University.

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