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Showing 2 results for Hajaghazadeh
Anthropometric Dimensions of Foot in Students
Roya Emamgholizadeh Minaei, Mohammad Hajaghazadeh, Teimour Allahyari, Hamidreza Khalkhali, Mansoor Keramat,
Volume 4, Issue 1 (Journal of Ergonomics 2016)
Abstract

Introduction: Foot anthropometric dimensions could be useful in designing comfortable footwear. The objective of this study was the measurement of foot anthropometric dimensions in a group of students.

Methods: This was a descriptive study in which 21 dimensions of foot for 580 males and females were measured manually. To measure the foot dimensions, a digital caliper and a tape were used. The measured dimensions included the important lengths, widths, heights and girths of foot. Descriptive statistics such as percentiles, mean and standard deviation were calculated for the collected data. To test and survey of the mean of foot dimensions between males and females, statistics such as independent t-test and effect size (Cohen’s d) were used.

Results: The values of mean, standard deviation, the 5th, 50th, and 95th percentiles were calculate and tabulated for the total studied population and for gender. In all measured foot dimensions, males had bigger dimensions than females. Gender had different impacts on the measured foot dimensions. The mean of all foot dimensions was significantly different between males and females (P value = 0.001). Digital pattering of I and II were observed in 78% and 22% of the studied population, respectively.

Conclusions: In the present study, important anthropometric data of foot were collected for a group of students. The presented percentiles could be used in design of male and female shoes. Conducting similar studies in children with different age categories could help completion of the anthropometric database.


The study of anthropometric dimensions of hand in office staffs in Urmia
Mohsen Taghizade, Iraj Mohebbi, Hamidreza Khalkhali, Parya Ahmadi-Arablu, Arezou Torfeh, Mohammad Hajaghazadeh,
Volume 6, Issue 1 (Journal of Ergonomics 2018)
Abstract
Background: The lack of fit between tools and human hand could result in musculoskeletal disorders and decrease efficiency. Designing hand tools, anthropometric data of target population is necessary. A few studies have reported the hand anthropometric dimensions of Iranians. Therefore, the aim of the present study was to measure the most important anthropometric dimensions of hand in a population of office staffs in Urmia.
Methods:In this study, 20 dimensions of dominant hand were measured in 345 participants (217 males and 128 females) using a digital caliper and a plastic tape. The important percentiles were reported by gender. Independent t-test was used to compare the mean of male and female hand dimensions. The length and width of hand were compared with the corresponding data from published literature.
Results: The values of 5th, 50th, and 95th percentiles were calculated and tabulated by gender. The hand dimensions of men were larger than those of women. The mean of hand dimensions of men was statistically different from those of women (P=0.001). In contrast to women, the hand length and breadth of the men of this study were significantly different from those of the most of the other communities.
Conclusion: The results of this study could be used by designers or importers of hand tools and gloves. Considering the significant differences of hand dimensions between men and women, it is recommended to use hand dimensions of each gender for designing their related products.

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