What question did this study set out to answer?

To evaluate the effects of brisk walking on bone mineral density in women with a history of upper limb fractures.

January 1, 1997Age and Ageing

Randomized placebo-controlled trial of brisk walking in the prevention of postmenopausal osteoporosis

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Randomized trial evaluates bone density effects of brisk walking in postmenopausal women with fractures, suggesting potential benefits and risks.

To evaluate the effects of brisk walking on bone mineral density in women with a history of upper limb fractures.
165 women with upper limb fractures were randomly assigned to either brisk walking or upper limb exercises (placebo).
Bone mineral density was assessed at baseline, and at 1 and 2 years post-intervention.
Both groups received assessments every three months to monitor progress and encourage participation.
At 2 years, the placebo group experienced a greater decline in femoral neck bone mineral density (mean difference 0.019 g/cm2, P=0.056).
Both groups showed similar increases in lumbar spine bone mineral density (+0.017 g/cm2).
The brisk-walking group had a higher risk of falls (excess risk 15 per 100 person-years, P<0.05).

Ebrahim et al. (1997) studied this question.

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Randomized trial evaluates bone density effects of brisk walking in postmenopausal women with fractures, suggesting potential benefits and risks.