Bone Mineral Density Quantitative Trait Locus 3 Clinical Trial
Official title:
Effects of Whole Body Vibration and Pilates Method on Bone Mineral Density in Postmenopausal Women: a Randomized, Controlled, Clinical Trial
Women in the postmenopausal period suffer hormonal changes that contribute to a number of
negative factors to health, such as reduced bone mineral density and loss of muscle mass,
which contribute to the increased incidence of falls and consequent risk of fractures. Among
the possibilities to alleviate these symptoms are mainly drug treatment and the systematic
practice of physical exercise. Exercise stands out for not offering adverse effects. One form
of exercise that has been recently investigated is the whole body vibration, another form of
exercise well accepted by the population is the Pilates method.
Taking into account the lack of literature on the benefits of vibration training; and also
the Pilates method on bone mineral density, muscle strength, flexibility, postural balance,
fear of falling and the quality of life of postmenopausal women, explains the importance of
this work.
Women in the postmenopausal period suffer hormonal changes that contribute to a number of
negative factors to health, such as reduced bone mineral density and loss of muscle mass,
which contribute to the increased incidence of falls and consequent risk of fractures. Among
the possibilities to alleviate these symptoms are mainly drug treatment and the systematic
and regular physical exercise. However, drug treatment primarily involves hormone replacement
therapy, which is associated with increased risk of heart disease, stroke and breast cancer.
Thus, exercise stands out for not offering adverse effects, however, when it comes to bone
metabolism, it is not yet clear what type of exercise is the most effective for women in the
postmenopausal period.
One form of physical exercise that has recently been investigated is the whole-body vibration
(WBV), characterized by individual placement on a vibrating plate capable of transmitting
vertical acceleration for the musculoskeletal system, however, the intensity (frequency and
magnitude) ideal to allow increased bone metabolism has not been established and remain
controversial.
Other forms of exercise have been recommended for postmenopausal women, such as those of
muscular endurance. Exercises involving strength training, using weight can contribute to the
improvement of bone mineral density of women in the postmenopausal period. Another form of
exercise that also offers endurance is the Pilates method. However, the effects of this
technique on bone mineral density, has not been investigated, despite having shown potential
contribution on the variables pain, functional capacity and quality of life in postmenopausal
women.
This study is justified because there are still shortages of literature and evidence about
the benefits of vibration training; and also Pilates, on bone mineral density in
postmenopausal women. There are also still little information about how much vibration
training can influence muscle strength, flexibility, postural balance, fear of falling and
the population's quality of life in question.
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