تاثير يك دوره دوازده هفته‌اي تمرينات منتخب هوازي و مقاومتي در آب بر تراكم استخواني مهره‌هاي كمر و استخوان ران زنان چاق و يايسه

Effect of 12-weeks Selective Aerobic and Resistance Water Training on Femoral and Lumbar Spine Bone Density in Obese Postmenopausal Women.

The purpose of this study was to investigate the effect of 12-weeks selective aerobic and resistance water training on bone density and plasma levels of calcium and phosphorus in obese postmenopausal women. For this reason twenty obese postmenopausal women as subject elected to participate in this study and randomly divided into experimental group (age: 50±3.87, Height: 150±7.06, Weight: 80±2.05 BMI: 30±3/51) and control group (age: 50±3.83, Height: 150±7.61cm, Weight: 80±2.75Kg, BMI: 30±3/37). The experimental group performed selective resistance and aerobic water training for 3 month for 3-5sessions/wk in 45 min at 65-75% of MHR. Control group did not participate in any exercise program during study period. Blood samples were collected for assay of calcium, phosphor, pharatormone and 25 - OHD3 levels before and after exercise regimen. Bone density of lumbar spine and femur were measured in both groups in before and after exercise training period by densitometry method. Data analysis showed that there was a significant increase in femoral bone density, calcium and pharathor-mone levels in experimental group compared with control group at the end of study period. In conclusion, the results of this study indicate that one period of 12-weeks selective resistance and aerobic water training enhanced femural bone density in obese postmenopausal women.