A recent study conducted at the University of Jyväskylä in Finland has found that regular physical activity can slow down the loss of bone mineral density in older adults. The study focused on men and women aged 70 to 85 who had previously been physically inactive. It revealed that while bone mineral density at the femoral neck decreased, the structural properties of the bone were maintained or even slightly improved after a year-long exercise training intervention.
One interesting finding of the study was that individuals who engaged in more moderate and high-intensity activity experienced less deterioration in bone density compared to those who were less active. This suggests that the intensity of physical activity plays a significant role in preserving bone health.
The researchers also looked at the impact of different types of movements on bone health. They found that impacts comparable to brisk walking were associated with better preservation of bone mineral density. This suggests that even short bursts of activity can have a positive impact on bone health.
The study highlights the importance of incorporating high-intensity activity into daily routines, such as brisk walks and stair climbing. Additionally, it suggests that jumping-like impacts can be achieved by raising up on tiptoes and then dropping down onto the heels.
The femoral neck, a part of the hip bone, is particularly susceptible to fall-related fractures. Maintaining bone mineral density at the femoral neck is crucial for preventing hip fractures.
The researchers also emphasize the importance of daily physical activity in maintaining bone health and preventing fractures, especially in older individuals who do not regularly exercise. Increased physical activity can improve functional capacity and muscle strength, which in turn reduces the risk of falls and allows the bones to be loaded more efficiently.
The study was part of the PASSWORD study conducted by the Faculty of Sport and Health Sciences and Gerontology Research Centre at the University of Jyväskylä. It involved 299 men and women aged 70 to 85 who were initially less active than recommended. Participants engaged in progressive muscle strength, endurance, balance, and flexibility training, with half of the subjects also participating in a computer training program.
The amount and intensity of physical activity were measured using accelerometers before and after six months of training. Bone density and structural properties of the femoral neck were measured using dual-energy X-ray absorptiometry before and after the one-year exercise program.
Overall, the study underscores the importance of regular physical activity in maintaining bone health in older adults. By incorporating high-intensity activities into daily routines, individuals can slow down the loss of bone mineral density and reduce the risk of fractures. These findings have implications for preventing hip fractures and promoting healthy aging.
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1. Source: Coherent Market Insights, Public sources, Desk research
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