title: Phylontogenic progressions or infant development--sit to crawl.
authors.forename: Matt
authors.initials: M
authors.lastname: Wallden
mesh_terms: D001696:Biomechanical Phenomena; D002657:Child Development; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009048:Motor Skills / Q000502:physiology*; D011187:Posture / Q000502:physiology*