Developing Gross and Fine Motor Skills Using Sensory Integration in Children With Moderate Autism Spectrum Disorder

Sensory integration (SI)-based intervention programs aim to improve the motor performance of children with moderate autism spectrum disorder (MASD), which may contribute to the development of their gross and fine motor skills. This study aimed to explore the effectiveness of a SI-based training program in developing gross and fine motor skills in 70 children with MASD aged 6–9 years (M = 7.11, SD ± 1.19) and selected intentionally from a daycare center in Al-Ahsa in Saudi Arabia. The study used the quasi-experimental approach and followed the experimental design with two groups, which were randomly distributed and examined for equivalence. The study also used the Gross Motor Skills Scale (GMSS), the Fine Motor Skills Scale (FMSS), and the training program based on SI. The study found that the experimental group had significantly higher post-test scores in the GMSS and the FMSS than the control group, with these differences being statistically significant. However, no significant difference was observed between the post-test scores and the follow-up test scores within the experimental group, indicating stability in their performance over time. This indicates the effectiveness of the training program used in developing the targeted skills and the continuation of the training effect after the program’s application period. The study suggests that children should use SI-based training programs to enhance their motor skills.