Sam's research agenda focuses on the health and wellbeing of typically developing children and children with disabilities, with recent work emphasizing the role of independent mobility in the development of language, cognition, play interactions, and motor behaviors of children diagnosed with cerebral palsy, spina bifida, Down syndrome, and other significant physical and cognitive diagnoses. His research is interdisciplinary in nature, bridging the fields of Kinesiology, Psychology and Pediatric Rehabilitation.