“…In addition to social isolation and rejection from peers, parents of children with HFASD in this study as well as parents of children with many types of disabilities in previous research are concerned about their child's safety (An & Goodwin, 2007;Ayvazoglu et al, 2006;Worcester, Nesman, Mendez, & Keller, 2008). Parents' concern for safety of their own children with HFASD or for the safety of others may have contributed to the low amounts of MVPA found in participants.…”