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@ARTICLE{Herold:145153,
      author       = {Herold, Fabian and Hamacher, Dennis and Törpel, Alexander
                      and Goldschmidt, Leonard and Müller, Notger and Schega,
                      Lutz},
      title        = {{D}oes squatting need attention?-{A} dual-task study on
                      cognitive resources in resistance exercise.},
      journal      = {PLOS ONE},
      volume       = {15},
      number       = {1},
      issn         = {1932-6203},
      address      = {San Francisco, California, US},
      publisher    = {PLOS},
      reportid     = {DZNE-2020-00511},
      pages        = {e0226431},
      year         = {2020},
      abstract     = {Accumulating evidence shows that acute resistance exercises
                      and long-term resistance training positively influence
                      cognitive functions, but the underlying mechanisms have been
                      rarely investigated. One explanatory approach assumes that
                      the execution of resistance exercises requires higher
                      cognitive processes which, in turn, lead to an 'indirect'
                      training of higher cognitive functions. However, current
                      knowledge on the engagement of higher cognitive functions
                      during the execution of resistance exercises is relatively
                      sparse. Hence, the purpose of this study was to examine to
                      what extent cognitive resources are needed to perform a
                      resistance exercise in the form of barbell back
                      squatting.Twenty-four young adults performed a cognitive
                      task (serial subtraction of 7's) during standing and during
                      barbell back squatting on a Smith machine. The total number
                      and the number of correct responses were analyzed and taken
                      as indicators of the cognitive load imposed by the
                      experimental condition (squatting) and the control condition
                      (standing). Additionally, participants' perceived exertion,
                      mean heart rate, and the number of squats they were able to
                      perform were assessed.While accuracy scores were found not
                      to be significantly different between conditions, the
                      numbers of total and of correct responses were significantly
                      lower during squatting than during standing. Additionally,
                      during squatting a higher number of total answers was given
                      in the fifth set compared to the first set. We attribute
                      this phenomenon to a learning effect. Furthermore, there was
                      no statistically significant correlation between cognitive
                      measures and perceived exertion.Results suggest that
                      perceived exertion cannot explain the higher dual-task costs
                      observed during squatting. They rather reflect that more
                      cognitive resources are needed to perform low-load barbell
                      back squats than during standing. However, further research
                      is necessary to confirm and generalize these findings.},
      keywords     = {Adult / Attention / Biofeedback, Psychology / Cognition:
                      physiology / Exercise / Female / Humans / Male / Muscle,
                      Skeletal: physiology / Posture: physiology / Resistance
                      Training: methods / Young Adult},
      cin          = {AG Becker / AG Müller},
      ddc          = {610},
      cid          = {I:(DE-2719)1013007 / I:(DE-2719)1310003},
      pnm          = {345 - Population Studies and Genetics (POF3-345) / 344 -
                      Clinical and Health Care Research (POF3-344)},
      pid          = {G:(DE-HGF)POF3-345 / G:(DE-HGF)POF3-344},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31961904},
      pmc          = {pmc:PMC6974039},
      doi          = {10.1371/journal.pone.0226431},
      url          = {https://pub.dzne.de/record/145153},
}