The contribution of physical fitness, sex hormones and sex hormone-binding globulin on high-density lipoprotein cholesterol in young male endurance athletes

Shuzo Kumagai, Takashi Migita, Shigemi Hanamura, Miki Hidaka, Yoshihiko Moriyama, Haruka Sasaki

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)

    Abstract

    A study was conducted to investigate the contribution of physical fitness evaluated by speed at onset of blood lactate accumulation (OBLA-SP), sex hormones and sex hormone-binding globulin (SHBG) on high-density lipoprotein cholesterol (HDL-c) in 12 young male endurance athletes. These athletes has a higher level and wide range of intraindividual variance (44 to 93 mg/dl) for HDL-c. The serum estradiol level was significantly and positively correlated with the level of apoprotein AI (Apo AI), and serum testosterone level was significantly and positively associated with the levels of both HDL3-c and apoprotein AII (Apo AII). The SHBG level was positively associated with the levels of both HDL-c and HDL2-c. Age, certain anthropometric parameters such as percentage body fat, body mass index, and body fat distribution evaluated by waist to hip ratio, and physical fitness levels were not associated with HDL-c and other lipids and apoproteins. These results suggest that the HDL-c level in endurance athletes is strongly associated with not only male but also female hormones, and SHBG, being independent of age, body composition and physical fitnesss level.

    Original languageEnglish
    Pages (from-to)415-422
    Number of pages8
    JournalJapanese Journal of Physical Fitness and Sports Medicine
    Volume46
    Issue number4
    DOIs
    Publication statusPublished - Aug 1997

    All Science Journal Classification (ASJC) codes

    • Orthopedics and Sports Medicine
    • Physical Therapy, Sports Therapy and Rehabilitation

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