Physical fitness level in Japanese breast cancer survivors

  • Okumatsu Koki
    Graduate School of Comprehensive Human Sciences, University of Tsukuba
  • Tsujimoto Takehiko
    Faculty of Human Sciences, Shimane University
  • Wakaba Kyosuke
    Graduate School of Comprehensive Human Sciences, University of Tsukuba
  • Seki Akina
    Department of Breast Surgical Oncology, St. Luke’s International Hospital
  • Kotake Rina
    Department of Breast Surgical Oncology, St. Luke’s International Hospital
  • Yamauchi Teruo
    Division of Medical Oncology, Department of Internal Medicine, St. Luke’s International Hospital
  • Hirayama Satoshi
    Division of Corporate Planning, Central Sports Co., Ltd
  • Kobayashi Hiroyuki
    Department of General Medicine, Mito Medical Center, Tsukuba University Hospital
  • Bando Hiroko
    Department of Breast and Endocrine Surgery, Faculty of Medicine, University of Tsukuba
  • Yamauchi Hideko
    Department of Breast Surgical Oncology, St. Luke’s International Hospital
  • Tanaka Kiyoji
    Faculty of Health Sports Sciences, University of Tsukuba

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Other Title
  • 日本人乳がんサバイバーの体力水準
  • ニホンジン ニュウガン サバイバー ノ タイリョク スイジュン

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Abstract

<p>It has been reported that physical fitness of breast cancer patients is relatively lower due to the cancer treatment such as surgery, chemotherapy, or endocrine therapy. Previous studies have revealed that not only cardiorespiratory fitness but also muscle strength is lower among breast cancer patients than no disease women and these symptoms may aggravate the health-related quality of life. However, there is no study which has focused the physical fitness level in Japanese breast cancer survivors. The purpose of this study was to investigate the physical fitness level and the relationship between exercise habituation and physical fitness level in Japanese breast cancer survivors. Fifty breast cancer survivors participated in this study. Participants were assigned to either exercise habituation group (n=25) or non-exercise group (n=25). We evaluated exercise habituation using an original questionnaire and examined various physical fitness level. Body weight, body mass index, and percent body fat were significantly lower in the exercise habituation group than non-exercise group. T-score of cardiorespiratory fitness was significantly higher in the exercise habituation group than average Japanese women. These results suggested that exercise habituation is relative to body weight and cardiorespiratory fitness level in Japanese breast cancer survivors.</p>

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