Autism spectrum disorder (ASD) is not a specific disorder, but a group of disorders that have similar behavioral characteristics, such as difficulties with communication and socialization. The cause of ASD is still unknown but there are studies that indicate there may be a genetic or environmental component. More specifically, ASD can cause limitations in intellectual abilities as well as difficulties with attention and motor coordination. ASD is usually identified during the first three years of life and affects boys to a greater extent than girls (Autism Society). ASD actually occurs at a rate five times higher in boys than girls, affecting up to 1 in 54 boys compared to 1 in 252 girls (Centers for Disease Control and Prevention). More recent reports have shown that the prevalence of ASD has increased compared to previous years and indicates that ASD may actually affect up to 1 in 88 individuals (Autism Speaks). There are many different types of therapies that can help people whose lives are affected by ASD. This article describes many of the challenges faced by individuals with ASD and also explores some of the physical activities that have proven effective in helping children with ASD overcome many of the obstacles they face. Motor disorders are one of the many issues of concern for children diagnosed with ASD. These motor disabilities can be very diverse and include disabilities that affect the individual with general and fine motor skills and posture control (Bhat, Landa, & Galloway, 2011). There is research showing that 83% of children with ASD demonstrate below-average functioning on various tests related to motor skills. These movement disorders can affect...... half of article ......dquatictherapy.htmO'Connor, J., French, R., & Henderson, H. (2000). Using physical activity to improve the behavior of children with autism: Two-for-one benefits. Gym, 22-29. Prupas, A., Harvey, W. J., & Benjamen, J. (2006). Early intervention aquatics. Journal of Physical Education, Recreation & Dance, 46-51.Reid, G., O'Connor, J., & Lloyd, M. (2003). Autism Spectrum Disorders: Physical Activity Instruction, Part III. Gym , 20-48.Smith, B. (2011, April). Hippotherapy: Teaching strategies for students with autism. Retrieved March 23, 2012, from Bright Hub: http://www.brighthub.com/education/special/articles/19121.aspx Tomchek, S. D., & Dunn, W. (2007). Sensory processing in children with and without autism: A comparative study using the Brief Sensory Profile. The American Journal of Occupational Therapy , 190-200.