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Exercise and Osteoporosis.

Osteoporosis is a decrease in bone mass, trabecular and cortical diffuse or localized resulting from an imbalance between bone formation and resorption, the regulators are systemic factors (hormones, ions, vitamin D, drugs) and local ( mechanical stress). After menopause

1 / 3 of women with osteoporosis.

The known risk factors are age, female sex, menopause early and thinness, all closely linked to changes in hormone levels.

Another important risk factor is the lack of movement in relation to the failure of the bone stimulation via the stress produced by the movement.

Also, the smoke and alcohol are a risk factor for osteoporosis.

remember that osteoporosis occurs only when it becomes symptomatic fracture (bone porch it is more fragile and even a small impact can cause a fracture). As occurs in the vertebral body, trabecular bone rarefaction in favors with the collapse of microfractures wedge vertebra and deformity or fish.

But let's see how physical activity promotes bone remineralization .

The mechanical stress caused by this activity (tension and pressure exerted by the muscles on the skeleton) promote the activation of osteoblasts (cells responsible for deposition of bone tissue) and contrast as the loss of bone mass. More specifically, as a result of the compression and decompression of motion secondary to bone crystals, the surfaces of these crystals will electrify producing currents, which are a powerful stimulus in osteoblastic activity.

univeral therefore accepted that physical activity aimed at increasing the mechanical load on the skeleton prevents and delays the progression of bone loss in old age. In addition, some data suggest that improving balance and increased muscle mass that occur through an appropriate exercise are other factors protective about the risk of pathological fractures due to falls.

addition to the classic indication of aerobic exercise conducted under load (path activities, exercises in extension), recent studies suggest that mainly the strengthening muscle ( weight training) has a specific indication, resulting in a greater impact on bone density (increases). is also shown that the positive effects of physical are maintained only if it remains constant over time, the result of a change in lifestyle of the person becomes active.

In the case of fracture, physical activity helps prevent complications related to immobilzzazione. Once consolidated the break, the subject will be led weaning from the body and in muscle tone and posture, allowing the maximum functional recovery.