Conversation so far:
Who did Reggie Jackson play for in 1980-1981?
Reggie Jackson entered the last year of his New York Yankee contract in 1981.
What happened with Reggie Jackson during that last year with the New York Yankees?
As he entered the last year of his Yankee contract in 1981, Jackson endured several difficulties from George Steinbrenner.
What kind of difficulties did Reggie Jackson have with George Steinbrenner?
After the owner consulted Jackson about signing then-free agent Dave Winfield, Jackson expected Steinbrenner to work out a new contract for him as well. Steinbrenner never did.
Did George Steinbrenner and Reggie Jackson butt heads about anything else?
Steinbrenner invoked a clause in Jackson's contract forcing him to take a complete physical examination.

Question: What was the result of that physical examination?
Self-contained rewrite: What was the result of Reggie Jackson's physical examination during the 1981 season?