THE ROLE OF HIGH - IMPACTS EXERCISES IN IMPROVE BONE MINERAL DENSITY IN POSTMENOPAUSAL WOMEN WITH OSTEOPENIA OR OSTEOPOROSIS
Journal Title: CITIUS ALTIUS FORTIUS - JOURNAL OF PHYSICAL EDUCATION AND SPORT - Year 2010, Vol 27, Issue 2
Abstract
Purpose - The aim of this study was to examine the effect of high - impacts exercises program based on weightbearing and strengthening exercises in improve bone mineral density in postmenopausal women with osteopenia or osteoporosis. Material and Methods – This study included 46 postmenopausal women with osteoporosis or osteopenia whose diagnoses were made by dual energy X-ray absorptiometry (DEXA) showing T-scores of less than -2.5 and in a range of -1 to -2.5, respectively, aged between 43 and 65 years. Subjects were divided into two groups, the experimental group (N=23) and the control group (N=23). The experimental group followed a multiple therapy based on medication, a diet and exercises program (high - impacts exercises), while the control group was submitted only to diet and medication. Areal bone mineral density (BMD) and T-score was measured on the lumbar spine (L1–L4) with dual-energy X-ray absorptiometry – DEXA ( Osteocore Medilink) at baseline and after 12 months of exercise. Results - After 12 months of high-impact exercise intervention, both groups exhibited significant improvements in T-score (-0,79 vs -0,42 mean variation), and bone mineral density in lumbar spine (0,091g/cm2 vs 0,042g/cm2 ; p<0.001). But, the exercise group demonstrated a significant gain compared with the control group in T- score (30,3% vs 21,83%;) and Spine BMD (12,56% vs 6,25%). In terms of changes after the treatment, a significant difference between the two groups was observed (p<0.001). The two groups differ significantly with respect to the differences between the mean (-1,84 vs -2,19; p<0.001 for T score and 0,816 vs 0,748; p<0.001) improvements obtained after the exercise program. Conclusion - This study indicates that high-impact exercise is safe and effective in improving bone mineral density in the lumbar spine in postmenopausal women with osteopenia or osteoporosis. If done on a regular basis, this type of training may be an efficient, safe, and inexpensive way of preventing osteoporosis later in life.
Authors and Affiliations
Ilinca Ilona, Avramescu Taina, Shaao Mirela, Rosulescu Eugenia, Zavaleanu Mihaela
Keywords
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