Cancer survivors exhibit a different relationship between muscle strength and health-related quality of life/fatigue compared to healthy subjects

S. Morishita, A. Tsubaki, J. B. Fu, Y. Mitobe, H. Onishi, Tetsuya Tsuji

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We investigated the difference in relationship between muscle strength and quality of life (QOL)/fatigue in long-term cancer survivors and healthy subjects. Thirty-six cancer survivors and 29 healthy subjects were assessed for body composition and bone status at the calcaneus using the Osteo Sono Assessment Index. Muscle strength was evaluated via handgrip and knee extensor strength. Health-related QOL was assessed using the Medical Outcome Study 36-item Short-Form Health Survey. Fatigue was measured using the brief fatigue inventory. Cancer survivors exhibited lower QOL scores in the physical functioning, physical role function, bodily pain and general health domains (p <.05). Grip and knee extension muscle strength in cancer survivors was positively correlated with the physical function and bodily pain of QOL (p <.05). The usual fatigue subscale score was only significantly higher in cancer survivors than in healthy subjects (p <.05). However, there were no correlations between muscle strength and fatigue in cancer survivors. Our results showed that muscle strength was an important factor for improving QOL in cancer survivors. We believe that the findings of this study will be relevant in the context of planning rehabilitation for cancer survivors.

Original languageEnglish
Article numbere12856
JournalEuropean Journal of Cancer Care
Issue number4
Publication statusPublished - 2018 Jul 1



  • cancer
  • exercise
  • quality of life

ASJC Scopus subject areas

  • Oncology

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