Complex sentence: He took up sit-skiing while rehabilitating from his injuries, and was able to adapt to a mono-ski within the first day of trying it at a Disability Wintersport Australia camp at Falls Creek.
Split into simpler sentences: He took up sit-skiing while rehabilitating from his injuries. He was able to adapt to a mono-ski within the first day of trying it at a Disability Wintersport Australia camp at Falls Creek.