1. Performance consistency in various motor assessments performed by children with Developmental Coordination Disorder Jennifer Chuang, BBA & Dr. Priscila Caçola Developmental Motor Cognition Lab, Department of Kinesiology, The University of Texas at Arlington INTRODUCTION PURPOSE Children with Developmental Coordination Disorder (DCD) have low motor skills that include marked delays in achieving motor milestones, poor balance, low coordination and handwriting difficulties. Because of the heterogeneous nature of this condition and its comorbidity with other disorders, it is difficult to develop a single profile of motor skill deficiencies in children with DCD and it remains unclear how a particular child with DCD may perform in an array of motor assessment batteries. The purpose of our experiment was to compare performance of children diagnosed with DCD through the use of three different assessments of motor skills. Bruininks-Oserestsky Test of Motor Proficiency – 2 nd ed. (BOT-2): 1.Fine manual control (FMC): Fine motor precision - 7 items Fine motor integration - 8 items 2.Manual coordination (MC): Manual dexterity - 5 items Upper-limb coordination - 7 items 3.Body coordination (BC): Bilateral coordination - 7 items Balance - 9 items 4.Strength and agility (SA): Running speed and agility - 5 items Strength - 5 items All composites are combined resulting in a total motor composite (TMC) score providing a general measure of motor ability. Test of Gross Motor Development – 2 nd ed. (TGMD-2): Locomotor (LM) - run, gallop, hop, leap, horizontal jump, slide Object Control (OC) - striking a stationary ball, stationary dribble, catch, kick, overhand throw, underhand roll Beery-Buktenica Developmental Test of Visual- Motor Integration – 6 th ed. (Beery-VMI –6): Visual Motor Integration (VMI) - 30 Items Visual Perception (VP) - 30 Items Motor Coordination (MC) - 30 Items METHODSRESULTS CONCLUSION In general, the results suggest that low performance across an array of motor assessments is consistent in children with Developmental Coordination Disorder, regardless of the type of the assessment. Comorbid behavioral and emotional issues pervading the disorder causes difficulties assigning a singular profile of motor skill deficiencies to a child diagnosed with DCD. However, consistent low performance in multiple motor assessments can provide a pathway to understanding additional similarities within the disorder. Further studies are necessary to explore detection and consistency of motor difficulties in children with DCD. Developmental Motor Cognition Lab RESULTS METHODS 4 participants (3 males, 1 female), all children 7 years of age. DCD diagnosis involved parent referral and was confirmed with screening tests: Kaufmann Brief Intelligence Test – 2 nd ed. (KBIT-2) – 2 average, 1 above average, 1 upper extreme Movement Assessment Battery for Children – 2 nd ed. (MABC-2) – all below the 2 nd percentile All children were assessed with the BOT-2, TGMD-2, and Beery-VMI-6. The order of the assessments was counterbalanced. Table 1. Participant Percentiles and Categories for BOT-2 Table 2. Participant Percentiles and Categories for TGMD-2 Table 3. Participant Percentiles and Categories for Beery-VMI-6 The comprehensiveness of the BOT-2 showed each child’s unique strengths and weaknesses. Of all tests, children had the most difficulties with the TGMD-2, demonstrating that gross motor skill performance, though not part of the DCD diagnosis, is a good indicator of motor difficulties. VMI scores confirmed the specific difficulties with manual coordination, as children did not have problems with the visual perception scale