子どもの「運搬」における身体的負担
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概要
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Carrying a baby may be considered hard when the job is viewed in terms of energy consumption. It is hard work because a baby's weight increases rapidly from around 3 kg at the time of birth to around 10 kg 1 year after birth. This study aimed to work out how much load is normally borne by a person who carries a baby by measuring RMR and HR, and came up with the following figures and results. 1) RMR : 3.7 for carrying a baby in arms (Dakko), 3.1 for carrying by baby-carrier, and 2.8 for carrying on the back (Onbu). 2) The use of a baby-carrier decreases the carrying load as its RMR is smaller than carrying in arms. 3) RMR is the smallest when carried on the back, this, however, is no longer practised in Japan.
- 1998-11-15