Cycling and bone health: a systematic review

Hugo Olmedillas, Alejandro Gonzalez de Aguero, Luis A Moreno, José A Casajus, Germán Vicente-Rodríguez

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    Abstract

    Background
    Cycling is considered to be a highly beneficial sport for significantly enhancing cardiovascular fitness in individuals, yet studies show little or no corresponding improvements in bone mass.

    Methods
    A scientific literature search on studies discussing bone mass and bone metabolism in cyclists was performed to collect all relevant published material up to April 2012. Descriptive, cross-sectional, longitudinal and interventional studies were all reviewed. Inclusion criteria were met by 31 studies.

    Results
    Heterogeneous studies in terms of gender, age, data source, group of comparison, cycling level or modality practiced among others factors showed minor but important differences in results. Despite some controversial results, it has been observed that adult road cyclists participating in regular training have low bone mineral density in key regions (for example, lumbar spine). Conversely, other types of cycling (such as mountain biking), or combination with other sports could reduce this unsafe effect. These results cannot yet be explained by differences in dietary patterns or endocrine factors.

    Conclusions
    From our comprehensive survey of the current available literature it can be concluded that road cycling does not appear to confer any significant osteogenic benefit. The cause of this may be related to spending long hours in a weight-supported position on the bike in combination with the necessary enforced recovery time that involves a large amount of time sitting or lying supine, especially at the competitive level.
    Original languageEnglish
    Article number168
    Number of pages10
    JournalBMC Medicine
    Volume10
    Issue number168
    DOIs
    Publication statusPublished - 20 Dec 2012

    Keywords

    • cyclists
    • osteopenia
    • osteoporosis
    • sport
    • training

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