Pediatric Physical Therapy published research on weight and gross motor skill development in young children. Body mass index and gross motor skill level was determined for 4650 kindergarteners. The results indicated that children with obesity exhibited decreased motor skills compared to their peers especially with respect to locomotor and balance skills.
Reference: Roberts, Dawn; Veneri, Diana; Decker, Robert; Gannotti, Mary. Weight Status and Gross Motor Skill in Kindergarten Children. Pediatric Physical Therapy. 24(4):353-360, Winter 2012. doi: 10.1097/PEP.0b013e3182680f19