The shaping of human motor development is demonstrated by the orderly sequence of events which occur throughout the individual's development process. Muscular strength and proficiency in gross motor skills improve with advancing chronological age throughout childhood and adolescence, with sex differences in performance tending to favor males. (JN)

This study was designed to explore the effects of vestibular stimulation on the developmental behavior, respiratory functioning, weight and length gains, and morbidity and mortality rates of premature infants. A total of 20 infants participated in this study in 4 groups of 5 infants each. Group A infants were placed in a motorized hammock within…

This paper describes a multivariate model of early infant competence formulated from variables representing infant-environment transaction including: birthweight, habituation index, personality ratings of infant social orientation and task orientation, ratings of maternal responsiveness to infant distress and social signals, and observational…