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J Sports Med Phys Fitness. 2008 Sep;48(3):352-9.

The effect of a water exercise program on bone density of postmenopausal women.

Author information

1
Department of Life Sciences, Zinman College, Wingate Institute, Netanya, Israel. rotstein@wincol.ac.il

Abstract

AIM:

The aim of the present study was to examine the effect of a seven months program of water exercise, on bone mineral density (BMD) in postmenopausal women.

METHODS:

Thirty-five postmenopausal women trained for seven months for three one-hour sessions per week. DEXA test findings for vertebrae L2-L4 showed that although the time factor had a significant effect only on the bone mineral content (BMC), (4.61 P < 0.05), the interaction of time group was found to be significant for each of the variables: BMD (9.25 P < 0.01), BMC (7.99 P < 0.01), z-score (5.35 P < 0.05) and t-score (9.41 P < 0.01).

RESULTS:

These interactions indicate a general trend towards maintenance or improvement of bone status in the experimental group and a trend towards declining bone status for the control group. DEXA test findings for femoral neck density indicated no significant differences between the groups pre and post treatment. However a significant interaction was found for BMC (8.08 P < 0.01) in the right leg indicating an increase trend in BMC in the experimental group and a trend towards decrease for the control group.

CONCLUSION:

The findings of the present study support the hypothesis that it is possible to plan and execute a water exercise program that has a positive effect on bone status of post-menopausal women.

PMID:
18974722
[Indexed for MEDLINE]

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