Blair Rippy Standridge, 21, the head cheerleader at the University of South Carolina and a native of Arlington, died Sunday in a Columbia, S.C., hospital as a result of injuries he received in a trampoline accident on Feb. 12.

Mr. Standridge, who was a senior at the university, broke his neck in the accident and had been in the intensive care unit of Richland Memorial Hospital since it occured.

Officials at the university said Mr. Standridge was injured while dismounting from a trampoline in a somersault. They said he missed a floor mat and struck his head.

Mr. Standridge graduated from Washington-Lee High School in Arlington before going to South Carolina. In high school, he had been a gymnast, a member of the Art Club, tha German Honor Society, the ELOS honor society, the marching band, the choir, the Madrigal Singers and the key Club, of which he had been vice president. He had played the role of "Henry Higgins" in th class production of "My Fair Lady."

He was majoring in drama at the University of South Carolina.

Survivors include his parents, Dr. and Mrs. Charles Standridge, of Arlington, where Dr. Standridge is minister of the First Baptish Church in Clarendon, and a brother, Mark.

The family suggests that expressions of sympathy be in the form of contributions to the Blair Rippy Standridge Memorial, Richland Memorial Hospital, Columbia, S.C.