What is it with John McCain's arm?

Answer 1

When Senator McCain was a Prisoner of War of the North Vietnamese, he was tortured until he could not pull his hands above his hands. The North Vietnamese tortured him to give information of U.S., but he never gave in.

Answer 2

It was injured when his airplane was shot down during the Vietnam War.

Answer 3

they were both broken when he jumped out of an airplane. this being the case, they will not fully extend.

Answer 4

No