Measuring physical and mental strain during manual assembly tasks

Barbara Tropschuh, Sina Niehues, Gunther Reinhart

Research output: Contribution to journalConference articlepeer-review

8 Scopus citations


Due to a rising number of product variants and an increase in complexity, manual assembly tasks lead to increasing physical and mental strain on employees. In order to maintain their health, an individual strain-oriented employee scheduling is necessary. In the conducted study, the individual physical and mental strain during manual assembly tasks is determined by using smart sensors and questionnaires. This paper presents the structure and process of the study as well as the first results of the applied questionnaires regarding the differences between the two levels of workload and concerning the validity to capture subjective strain. The performance requirements assembly competence and chronic stress were identified as predictors for perceived subjective physical and mental strain, queried by NASA-RTLX and Borg.

Original languageEnglish
Pages (from-to)968-974
Number of pages7
JournalProcedia CIRP
StatePublished - 2021
Event54th CIRP Conference on Manufacturing Ssystems, CMS 2021 - Patras, Greece
Duration: 22 Sep 202124 Sep 2021


  • Mental strain
  • laboratory study
  • manual assembly
  • physical strain


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