Muscle architecture, voluntary activation, and low-frequency fatigue do not explain the greater fatigue of older compared with young women during high-velocity contractions

• Liam F. Fitzgerald ,

  Contributed equally to this work with: Liam F. Fitzgerald, Jane A. Kent

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: l.fitzgerald@phhp.ufl.edu

  Affiliation Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America

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• Margaret M. Ryan ,

  Roles Formal analysis, Investigation, Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America

  ⨯
• Miles F. Bartlett ,

  Roles Formal analysis, Investigation, Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America

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• Jules D. Miehm ,

  Roles Investigation, Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America

  ⨯
• Jane A. Kent

  Contributed equally to this work with: Liam F. Fitzgerald, Jane A. Kent

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Supervision, Visualization, Writing – review & editing

  Affiliation Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America

  ⨯