April 1, 2014 9:09 AM EDT

Chris Evans discussed how he maintained his Captain America physique for his latest movie, Captain America: The Winter Soldier, on the Tonight Show Monday night.

The secret to his workout routine? Balance beams and ribbon twirling. Or, rather, gymnastics… we’re pretty sure he was kidding about the other part.

Surprisingly, Evans kept quiet about his interview with Variety, in which he said he planned to retire from acting after his Marvel contract expired.

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