A YouTube video titled, "Rapping Staff Sergeant", is going viral.
An account that goes by the name Amanda Lehr posted the video Tuesday. It already has more than 250,000 views.
The video shows a medical worker wearing camouflage scrubs and a girl wearing a pink cast that covers her right foot all the way up her calf. The medical worker teaches the girl about how to take care of her cast through a catchy rap song.