This is from the meditation for Wednesday in the fifth week of Lent, by Fr. Ron Rolheiser:
"In the Gethsemane accounts we're told that, right after being strengthened by an angel, Jesus gets up off the ground and walks with courage to face the ordeal that awaits him. His agony and the strengthening he receives within it readied him for the pain that lay ahead. Indeed, at the time of Jesus, the word agony had a double sense. Beyond its more obvious meaning, it also referred to a particular readying that an athlete would do just before entering the arena or stadium. An athlete would work up a certain sweat (agonia) with the idea that this exercise and the lather it produced would concentrate and ready both his energies and muscles for the contest.
The gospel writers want us to have this same image of Jesus as he leaves the Garden of Gethsemane. His agony has brought about a certain emotional, physical, and spiritual lather so that he is now readied, a focused athlete, properly prepared to enter the battle. Moreover, because his strengthening brings a certain divine energy, he is indeed more ready than any athlete."
- from Daybreaks: Daily Reflections for Lent and Easter Week