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    Calcif Tissue Int. 2001 Jun;68(6):342-7. Epub 2001 May 23.

    Effects of high versus low-intensity resistance training on bone mineral density in young males.

    Tsuzuku S, Shimokata H, Ikegami Y, Yabe K, Wasnich RD.

    Source

    Body Design Medical Institute, Ikuno, Osaka, Japan.

    Abstract

    The purpose of this study was to investigate the effect of high-intensity and low-intensity resistance training upon bone mineral density (BMD) by comparing the BMD of young male powerlifters (n = 5), recreational trainees (n = 5), and controls (n = 5). Lumbar spine (L2-L4), proximal femur, and whole body BMDs were measured using dual-energy X-ray absorptiometry (DXA). The high-intensity group showed a significantly greater BMD when the whole body and trochanter regions were measured than the low-intensity and control group. The BMD of the lumbar spine, femoral neck, and Ward's triangle was greater in the high-intensity group compared with the control group. There was no significant BMD difference between the low-intensity and control group except at the trochanter region. These results suggest that high-intensity resistance training is effective for increasing BMD, but low-intensity resistance training is not.

    PMID:
    11685421
    [PubMed - indexed for MEDLINE]

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