서킷저항 운동과 수중운동이 과체중 중년여성의 노화관련 호르몬, 근 손상지표 및 스트레스 호르몬에 미치는 영향

Abstract

The purpose of this study is to apply circuit resistance exercise and aquatic exercise to overweight mid-aged women, to look into the changes in their ageing hormones (Melatonin, DHEA-s, and GH), muscular damage indicators (CK and LDH), stress hormones (catecholamine and cortisol), body compositions (weight, body fat tsyr, and muscle mass), and to find which exercise method brings about positive changes in overweight mid-aged women's ageing hormones, muscular damage indicators, stress hormones, and body compositions. Methods : The study subjects were thirty overweight mid-aged women living in B city who had more than 25% of body fat rate. They had no health problems and had no experience of participating in any regular exercise programs. Among them, nine subjects had circuit resistance exercise; nine had aquatic exercise; and nine were in a control group.

Result : Regarding a change in melatonin before and after exercise, the group of circuit resistance exercise had a significant increase, whereas the aquatic exercise group and the control group had no significant difference. There was no significant difference between the groups.

Regarding a change in DHEA-S before and after exercise, the group of circuit resistance exercise and the aquatic exercise group had a significant increase, whereas the control group had no significant difference. And the group of circuit resistance exercise and the aquatic exercise group had a significantly higher DHEA-S than the control group.

Regarding a change in GH before and after exercise, the group of circuit resistance exercise and the aquatic exercise group had a significant increase, whereas the control group had no significant difference. And the group of circuit resistance exercise and the aquatic exercise group had a significantly higher GH than the control group.

CK was not significantly different before and after exercise, and between the groups. Regarding a change in LDH before and after exercise, the group of circuit resistance exercise and the control group had no significant difference, whereas the aquatic exercise group had a significant decrease. The aquatic exercise group had a significantly lower LDH than the control group.

Regarding a change in catecholamine (epinephrine and norepinephrine) before and after exercise, the group of circuit resistance exercise and the control group had no significant difference, whereas the aquatic exercise group had a significant decrease. The aquatic exercise group had a significantly lower catecholamine than the group of circuit resistance exercise and the control group. Cortisol was not significantly different before and after exercise, and between groups. Regarding a change in weight of body compositions before and after exercise, only the group of circuit resistance exercise had a significant decrease. The group of circuit resistance exercise and the aquatic exercise had a significant lower weight than the control group. With regard to a change in body fat rate before and after exercise, although the group of circuit resistance exercise and the aquatic exercise group had a significant decrease, there was no significant difference between the groups. Regarding a change in muscle mass before and after exercise, although the group of circuit resistance exercise and the aquatic exercise group had a significant increase, there was no significant difference between the groups

Conclusion: It is considered that resistance exercise is effective in order to change ageing hormones positively, and that aquatic exercise tends to be effective in order for the positive changes in muscular damage indicators and stress hormones. Nevertheless, to generalize the study results, it is necessary to apply various exercise methods for continuous research.