What Effect Do Different Training Environments Have on Femoral Bone Density in Premenopausal Women?
Publish place: Journal of Advanced Sport Technology، Vol: 4، Issue: 2
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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JR_JJAST-4-2_010
تاریخ نمایه سازی: 2 آبان 1401
Abstract:
Considering that maintaining the optimal level of bone mineral density during premenopausal period is important in reducing the risk of osteoporosis and subsequent fractures during postmenopausal period, the aim of the present study was to evaluate the effect of different training environments on femoral bone density in premenopausal women. In this quasi-experimental study with a pretest-posttest design, ۴۰ premenopausal women aged between ۴۰ to ۴۵ years were divided in four groups, ۱۰ people in each group (exercise group in water, land, combined and control). Exercise groups performed ۱۲ weeks of exercise three times a week ۷۰ minutes per session. The subjects’ femoral bone density was measured before and after ۱۲ weeks by DEXA bone density measurement device. Data were analyzed using descriptive statistics, one-way analysis of variance, analysis of covariance and LSD post hoc test at a significance level of P≤۰.۰۵, using SPSS software version ۲۴. Femoral bone density showed a significant increase in the combined exercise group (P <۰.۰۵) but in the control group a decrease in bone density was observed (P <۰.۰۵). Total bone density of hip and femoral neck showed statistical differences in water exercise group, land exercise group and combined exercise group in comparison with control group (P <۰.۰۵). Given this there was no difference between the exercise groups in water and land environment, exercise in any environment is recommended for premenopausal women. Because weight training exercises in all three types of training environments prevent the progression of bone mineral density in premenopausal ages.
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