著者

カルマール 良子

出版者

日本発育発達学会

雑誌

発育発達研究 (ISSN:13408682)

巻号頁・発行日

vol.2017, no.76, pp.1-7, 2017 (Released:2017-12-09)

参考文献数

16

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In Japan previous data did not consider distinguishing between infants' creeping, hands and knees crawling and hands and feet crawling. Therefore the process of these motor skills has not been clearly understood in the national literature and it is incomparable with well-defined international data. In 2015 a detailed questionnaire survey of 307 infants in three prefectures (Hyogo, Okayama and Tottori) revealed that the majority of infants (76.1%) did both creeping and hands and knees crawling. The length of crawling was most frequent between 3 and 4 months, which is a similar figure compared to international research findings. The results further included the measure of shuffling, which is an irregular way of crawling on the back. Substantially 14.7% infants did not process with hands and knees crawling. 11.1% of the group skipped the complete acquisition process and progressed to walking without doing either creeping or any types of crawling.

著者

カルマール 良子 今西 香寿

出版者

Japan Society of Human Growth and Development

雑誌

発育発達研究 (ISSN:13408682)

巻号頁・発行日

vol.2020, no.86, pp.44-51, 2020 (Released:2020-05-23)

参考文献数

26

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Previous studies have shown that the use of a baby-walker during the first year after birth of a baby, when the motor skill is most significantly developed, may affect the subsequent development of the child. However, since trends in use of other infant equipment have not been investigated, it is not clear what kind of infant equipment is used at each stage of the infantile development. The present study was usage survey of infant equipment, including those other than baby-walkers, for newborns and infants during their first year of life. The survey was conducted by means of a questionnaire targeting 612 infants in Hyogo, Okayama, and Tottori prefectures in Japan, resulting in 307 valid responses, which have revealed their usage of infant equipment. Some items of infant equipment that are used for a longer time than baby-walkers may restrict infant. While the infant equipment increases the safety of the lives of infants, our data suggests the possibility that those devices may also limit their self-directed, which is important for gross motor development.

著者

カルマール 良子 今西 香寿

出版者

日本体育学会発育発達専門分科会

雑誌

発育発達研究 (ISSN:13408682)

巻号頁・発行日

vol.86, pp.44-51, 2020-03

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Previous studies have shown that the use of a baby-walker during the first year after birth of a baby, when the motor skill is most significantly developed, may affect the subsequent development of the child. However, since trends in use of other infant equipment have not been investigated, it is not clear what kind of infant equipment is used at each stage of the infantile development. The present study was usage survey of infant equipment, including those other than baby-walkers, for newborns and infants during their first year of life. The survey was conducted by means of a questionnaire targeting 612 infants in Hyogo, Okayama, and Tottori prefectures in Japan, resulting in 307 valid responses, which have revealed their usage of infant equipment. Some items of infant equipment that are used for a longer time than baby-walkers may restrict infant. While the infant equipment increases the safety of the lives of infants, our data suggests the possibility that those devices may also limit their self-directed, which is important for gross motor development.