Definition of "physical exercise" [physical exercise]

• The activity of exerting your muscles in various ways to keep fit (noun)

WordNet. Princeton University. 2010.

• "He was too wrapped up in his work to notice Tad; who went on across to the exercise section of C Deck to see Bap there, in full spacesuit, working at the taskboard in Mode C of the experiment dealing with daily physical exercise by each of them."