put muscle on

Cesco worked to improve his game as an outside hitter and put muscle on his rail-thin frame, which grew to 6-foot-8.

Thomas worked to put muscle on his then-6-2 frame and to understand Taft's West Coast offense.

Not only was he 7 feet tall, but he had the kind of build you could put muscle on.

But it was the President's private sessions with Ky and Chief of State Thieu that put muscle on the skeleton of public rhetoric in Honolulu.

Rundstedt's job has been to put muscle on a defense skeleton.