Heart Rate Dynamics after Combined Strength and Endurance Training in Middle-Aged Women: Heterogeneity of Responses

• Laura Karavirta ,

  Contributed equally to this work with: Laura Karavirta, Madalena D. Costa

  * E-mail: laura.karavirta@polar.com

  Affiliation Department of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, Finland

  ⨯
• Madalena D. Costa ,

  Contributed equally to this work with: Laura Karavirta, Madalena D. Costa

  Affiliations Division of Interdisciplinary Medicine and Biotechnology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America, Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts, United States of America

  ⨯
• Ary L. Goldberger,

  Affiliations Division of Interdisciplinary Medicine and Biotechnology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America, Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts, United States of America

  ⨯
• Mikko P. Tulppo,

  Affiliation Department of Exercise and Medical Physiology, Verve Research, Oulu, Finland

  ⨯
• David E. Laaksonen,

  Affiliations Department of Medicine, Kuopio University Hospital, Kuopio, Finland, Department of Physiology, University of Eastern Finland, Kuopio, Finland

  ⨯
• Kai Nyman,

  Affiliation Central Finland Central Hospital, Jyväskylä, Finland

  ⨯
• Marko Keskitalo,

  Affiliation Department of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, Finland

  ⨯
• Arja Häkkinen,

  Affiliations Central Finland Central Hospital, Jyväskylä, Finland, Department of Health Sciences, University of Jyväskylä, Jyväskylä, Finland

  ⨯
• Keijo Häkkinen

  Affiliation Department of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, Finland

  ⨯