Assessing the Validity of Standing Long Jump to Predict Muscle Power in Children With and Without Motor Delays

Purpose : To determine the validity of standing long jump (SLJ) for predicting muscle power in children with and without developmental coordination disorder (DCD). Methods : A total of 589 children were recruited as part of the Coordination and Activity Tracking in CHildren study (251 girls and 338 boys; mean age 59.2 mo). Children were classified as typically developing (>16th percentile), at risk for DCD (sixth to 16th percentile), or...