Abstract
(1) Background: biological variables and particular child rearing practices could be linked to postural control and rates of sitting onset. The segmental Assessment of Trunk Control (SATCo) is currently used as an assessment of postural control with a specific segment on premature infants. However, the association between related factors and segmental trunk control during sitting development in preterm infants via longitudinal assessments is still limited. Objective: to investigate the associations between biological and child rearing factors and segmental trunk control during sitting in moderate to late premature birth from the age of 4 months to age of independent sitting attainment. (2) Methods: forty-two infants born between 32 and 36 weeks of gestation were recruited. Their segmental trunk control was assessed using the SATCo. Their related factors were recorded from the age of 4 months to early onset of independent sitting attainment. The generalised estimating equation (GEE) model was used to identify the association between related factors and the SATCo with a linear distribution. (3) Results: cause of prematurity, baby rocking recliner and baby walker usage were negative factors, while play in a sitting position, opportunity to move on a traditional mat and sleep mattress were positive factors contributing to the segmental control of the trunk. (4) Conclusions: the experience of sitting on different surfaces and an opportunity to sit without support during the child rearing period from age of 4 months corrected could be positive factors associating with the segmental trunk control in moderate-to-late premature infants.
Highlights
Independent sitting capability is a motor landmark, having a downstream effect on an infant’s motor development [1,2]
(4) Conclusions: the experience of sitting on different surfaces and an opportunity to sit without support during the child rearing period from age of 4 months corrected could be positive factors associating with the segmental trunk control in moderate-to-late premature infants
Name lists of 58 moderate-to-late preterm infants were obtained from 26-district health promoting hospitals
Summary
Independent sitting capability is a motor landmark, having a downstream effect on an infant’s motor development [1,2]. The neuromuscular coordination of the trunk occurs due to continuous and progressive organisation of the head, thoracic, lumbar and sacral segments. At this age, range postural control is developed in parallel. Saavedra and colleagues (2012) investigated postural control across multiple trunk segments in infants aged from 3 to 9 months via a prospective longitudinal study. They found that the progression of trunk control in sitting was in a cephalocaudal direction in segmental parts. Postural control during sitting should be evaluated in segments rather than in a single unit [4]
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