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Objectives To assess kinematic parameters and proximal and distal reaching adjustments of infants at biological or environmental risk and compare with reaching performance of six-month-old full-term infants without known risk factors. Methods This blinded cross-sectional study included 62 infants at six months of age divided into three independent groups: Group with no known risk factor (NRF), 28 full-terms with no risk factors; Low SES group (LSES):19 full-terms classified as low socioeconomic status and no biological risk; Very preterm group (VPT), 15 very preterm infants at six months corrected age and no environmental risk. Infants were placed in a reclined baby chair at 45°, and a malleable and unfamiliar object was presented to the infant at 5-second intervals to elicit reaching movements. Results Infants from LSES presented reaching duration (p = 0.032, Cohen’s f = 0.349) and movement unit (p = 0.033, Cohen’s f = 0.351) significantly higher than VPT group. Horizontal hand orientation was moderately associated with infants at environmental risk (p = 0.031; Cramer’s V = 0.30). Conclusion Infants of low socioeconomic status perform less functional reaching movements than very preterm infants at six months corrected age. Socioeconomic status may impact more on reaching skills than biological risk. Given the importance of reaching for infant development, low-cost public health strategies are needed to identify possible delays.

This study describes the results of four children with hemiparetic cerebral palsy, age between four and eleven years (6.50± 3.32) who had performed a Constraint-induced Movement Therapy (CIMT) protocol. The purpose was to analyze qualitatively the effects of the CIMT protocol on the use of the affected upper limb. The protocol was performed for three weeks, with restriction of the nonaffected upper limb and functional activities were performed with the transfer of gains during treatment to the real environment. A qualitativeanalysis of the upper limb movement was performed through the Quality of Upper Skills Test (QUEST) scale and the assessment of distal adjustments. Improvements on the QUEST scale score and on the distal adjustments were observed in all four participants after the training protocol. The constraint-induced movement therapy may be an effective intervention aiming to improve the quality of the upper limb movement in children with hemiparetic cerebral palsy.

To analyze the association between lifestyle and signs of DCD in children aged 7 to 10. Methods: A total of 93 schoolchildren aged 7 to 10 were recruited for this study. Developmental Coordination Disorder Questionnaire (DCDQ), Movement Assessment Battery for Children À Second edition (MABC-2) and the Inventory of Lifestyle in Childhood and Adolescence (ILCA) were used. Lifestyle was analyzed with basis on specific tasks performed frequently or infrequently at home and outdoor, considering children with positive and negative DCD signs. Results: Only the item "performing household tasks" showed a significant association (p = 0.04) between groups. Children with DCD signs displayed a more infrequent behavior (73.1 %) in performing such tasks when compared to those without (26.9 %). Conclusion: Children with DCD signs presented a more sedentary behavior, expressed specifically in the less frequent performance of household tasks. The result may be explained by parental involvement in this sort of task. Further studies, however, are needed in order to broaden this understanding.