Evaluation of quadriceps muscle cross-sectional area using an ultrasonic diagnostic equipment with a wide field of view

• Yasumoto Matsui ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Validation, Writing – original draft, Writing – review & editing

  * E-mail: matsui@ncgg.go.jp

  Affiliation Center for Frailty and Locomotive Syndrome, Hospital, National Center for Geriatrics and Gerontology, Obu, Japan

  https://orcid.org/0000-0001-7105-0919

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• Marie Takemura,

  Roles Data curation, Writing – review & editing

  Affiliation Center for Frailty and Locomotive Syndrome, Hospital, National Center for Geriatrics and Gerontology, Obu, Japan

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• Yasuo Suzuki,

  Roles Conceptualization, Formal analysis, Methodology

  Affiliations Center for Frailty and Locomotive Syndrome, Hospital, National Center for Geriatrics and Gerontology, Obu, Japan, Department of Human Care Engineering, Nihon Fukushi University, Mihama-cho, Japan

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• Tsuyoshi Watanabe,

  Roles Data curation, Writing – review & editing

  Affiliations Center for Frailty and Locomotive Syndrome, Hospital, National Center for Geriatrics and Gerontology, Obu, Japan, Department of Orthopedic Surgery, Hospital, National Center for Geriatrics and Gerontology, Obu, Japan

  https://orcid.org/0000-0002-4246-751X

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• Keisuke Maeda,

  Roles Data curation, Writing – review & editing

  Affiliations Nutrition Therapy Support Center, Aichi Medical University Hospital, Nagakute, Japan, Department of Geriatric Medicine, Hospital, National Center for Geriatrics and Gerontology, Obu, Japan

  https://orcid.org/0000-0001-7132-7818

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• Shosuke Satake,

  Roles Data curation, Writing – review & editing

  Affiliation Department of Geriatric Medicine, Hospital, National Center for Geriatrics and Gerontology, Obu, Japan

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• Hidenori Arai

  Roles Conceptualization, Writing – review & editing

  Affiliation National Center for Geriatrics and Gerontology, Obu, Japan

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