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Calcaneal bone density reduction in patients with restricted mobility.

M Gross, J G Roberts, J Foster

    Archives of Physical Medicine and Rehabilitation
    |March 1, 1987
    PubMed
    Summary

    Reduced calcaneal bone density is common in patients with restricted mobility. This bone loss is likely due to lack of weight-bearing and decreased physical activity.

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    Area of Science:

    • Orthopedics
    • Gerontology
    • Radiology

    Background:

    • Chronic continuing care patients often experience restricted mobility.
    • Bone density loss is a significant concern in aging and immobilized populations.
    • Calcaneal bone density is an indicator of skeletal health.

    Purpose of the Study:

    • To determine the prevalence of reduced calcaneal bone density in chronic continuing care patients with restricted mobility.
    • To explore correlations between demographic and clinical factors and calcaneal bone density.

    Main Methods:

    • Cross-sectional study of 49 chronic continuing care patients.
    • Calcaneal bone density measured using Compton gamma ray scattering technique.
    • Analysis included correlation with age, weight, gender, diagnosis, duration, and muscle tone.

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    Main Results:

    • 57% of patients exhibited reduced calcaneal bone density.
    • No significant association found between descriptive factors and bone density variability.
    • Forward stepwise regression analysis showed no correlation (p = NS).

    Conclusions:

    • Restricted mobility and lack of weight-bearing significantly impact calcaneal bone density.
    • Immobilization leads to inevitable severe reduction in physical activity and bone loss.
    • Further research into interventions for bone density preservation in this population is warranted.