Hand anthropometric data of Indian children aged 6 to 17 years
An important consideration for a user friendly design is appropriate dimensions of the product as per the end user. Such user dimensions based ergonomic products have an established contribution towards the safety, ease and efficiency of the user and is of paramount importance. To design ergonomic products, the anthropometric database of users is required and then it is possible to determine what should be product dimensions which would be most suitable as per the dimensions of user. It is observed that use of anthropometric dimensions for product designs is becoming prominent and there are data sources available especially in western world. In India however, availability of anthropometric database is very limited and so is its use. Especially when it comes to school going children in India, age group 6-17 year,
there is hardly any available database to refer to for making ergonomic product design for Indian children. So urgent need was felt to collect and offer Indian children’s anthropometric data to the designers for comfortable, safe and efficient designs.
In order collect the anthropometric database, this work has chosen Delhi NCR as the area for conducting the survey. Since Delhi NCR has a good mix of people migrated from different states and thus presents a good opportunity to guage an averaged indication for the country. We have collected anthropometric data from 2461 Indian children from 71 different schools in Delhi NCR between 6-17 years. Nine anthropometric dimensions were collected including hand grip strength, pinch strength, hand length, palm width, palm width with thumb, height & weight. Table-1 shows the participants’ details for different ages and genders. Table 2 shows the 5th, 25th, 50th, 75th and 95th percentile values of 9 different anthropometric measures for
males and females of age 6 to 17 years. To measure the hand grip strength and hand pinch strength digital hand dynamometer and pinch gauge were used. Height of participants was measured by measuring tape and the weight measurement was processed using a digital weighing machine. To measure the hand length
and palm widths, an impression of hand was taken on a specially designed and calibrated information collection sheet. Further details of the measuring methodology is described in the following subsections.
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