Adjenti, S. K., Louw, G. J., Jelsma, J., & Unger, M. (2018). An ultrasonographic analysis of the activation patterns of abdominal muscles in children with spastic type cerebral palsy and in typically developing individuals: a comparative study. Archives of Physiotherapy, 8(1). https://doi.org/10.1186/s40945-018-0048-x