“…As AMC typically affects the limbs in a symmetrical manner (Oishi et al, ; Wallach et al, ), many children with AMC initially have difficulty lifting both arms against gravity and bending them at the elbow (Babik et al, ). However, at an early age, these children may develop a strong hand preference (Babik, Movva, Cunha, & Lobo, under review), likely because it is adaptive to concentrate on learning to control the movement of only one arm, rather than attempting to manage both arms. This might result in a decrease or delay in the development of bimanual object play (Babik & Michel, ) in children with AMC (Gibson, ; Jouen & Molina, ; Kimmerle et al, ; Lobo & Galloway, , ; Rochat, ).…”