The 1984 Apple Commercial: The Making of a Legend.
Many of the professional fashion models and actresses had difficulty spinning in place and then accurately throwing the sledgehammer as called for in the script. In fact, one errant sledgehammer toss almost killed an old lady walking down a path in Hyde Park where the casting call was being held. As luck would have it, one model, Anya Major, was also an experienced discus thrower and was hired to play the female lead because she looked the part and didn't get dizzy when spinning around preparing to hurl the hammer.via [ Old Computers ]