The negative impacts or disadvantages of LPS implementations reviewed may result from the misunderstanding of the Lean principles. Possibly, they also happen due to partial Lean implementations (when only one or two tools were implemented) that may be effective in a specific work context but not suitable to all possible situations as the principles of LPS should not lead, by definition, to any of the reported drawbacks in terms of workplace ergonomics.
It can be observed an increased concern about the school classrooms, in particular about the study and design of school furniture fitting the students' needs and anthropometrics characteristics. The main aim of this study was to perform an anthropometric survey, considering the main anthropometric dimensions and, in accordance, to define the dimensions and characteristics of school furniture for Portuguese students of the 1st education cycle using valuable and validated ergonomic criteria. The analyzed sample includes, so far, 432 students. Obtained results seem to reinforce the need to consider the specificity of the anthropometric characteristics of the Portuguese students by adding an extra size mark for school furniture in a future revision of the corresponding standard.
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