Video shows sister saving little brother from choking while jumping on trampoline

COLLIN COUNTY, Texas (CNN) - A Texas boy is alive thanks to his big sister’s quick thinking.

According to the Lavon Police Department, the two were jumping on a trampoline when he started choking.

Video the department shared shows the girl, Leah, performing abdominal thrusts.

Police say she learned the choking rescue technique from a babysitting guide and her mother.

Officers called her a hero for helping save her brother.