Inability of infants to push up in the prone position and subsequent development.
Ayako SenjuMasayuki ShimonoMayumi TsujiReiko SugaEiji ShibataYoshihisa FujinoToshihiro KawamotoKoichi KusuharaPublished in: Pediatrics international : official journal of the Japan Pediatric Society (2018)
Infants who cannot maintain the prone position on extended arms lag behind those who can, although the effect sizes become relatively small after 1.5 years of age. Early intervention may be considered if delay is problematic or persistent.
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