Ergonomic Evaluation of Least Fatiguing Stairs in Indian Houses for Women Users  

Oleh:

Sandhu, Pravindrajit ; Sidhu, M.

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Anima Indonesian Psychological Journal vol. 21 no. 1 (Oct. 2005), page 66-74.
Topik: ergonomic; spiral type stairs; L - shaped stairs; total cardiac cost of work; physiological cost of work

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: AA46.4 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Climbing stairs is a routine for indian females, who live in flats or work in multistoried buildings. Sometimes they have to climb with considerable loads. Present study was thus conducted to examine stairs commonly seen in the country, to ergonomically evaluate the suitability of these stairs for routine climbing and to suggest the least fatiguing stairtype to them. Evaluated ergonomic parameters were : heart rate. energy expenditure, total cardiac cost of work, physiological cost of work and time spent on climbing twenty stairs at a stretch by 2- young women having similar physiological parameters. Reuslts of the study revealed that avearage dept of tread was 10,2" riser height 7,8" , width 32,8" and angle of stairways varied from 250 - 500. It was further seen that maximum exertion was found for climbing spiral type of stairs. Maximum increase over base in average heart rate was 51,09 beats . min while subjects climbed spiral type stairs as compared to L - shared stairs (23,27 beats / min). Similarly energy expenditure was also maximum while climbing spiral stairs that is 8,13 as compared to L - shaper i. e. only 3,7 HJ / min. So, subjects found spiral stairs most tiring and L - shaped least tiring. Major problem, which they faced, was breathlessness, pain in legs and giddiness while climbing spiral stairs only.

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