Robert F. Kennedy Jr. has been seen working out with a lot of big names in the Trump administration, but his latest outing with a Hollywood action star might just take the cake. In a post on Thursday on X the Secretary of Health and Human services hit Gold’s Gym in Venice, California, for a chance to pump some iron with the legendary seven-time Mr. Olympia Arnold Schwarzenegger . In the shot, RFK Jr. and the 78-year-old former Governor of California and action star are each grinning from ear to ear surrounded by weightlifting equipment. Robert F. Kennedy Jr. and Arnold Schwarzenegger smiling together in a gym. X/@RobertKennedyJr “Senior’s Day, Gold’s Gym in Venice,” the Health Secretary captioned the post. It is unclear if they were working out in order to crush their enemies as there’s no video of the two testing their strength . Robert F. Kennedy Jr. testifying during an HHS budget hearing. Nathan Posner/Shutterstock Robert F. Kennedy Jr. shirtless, kneeling on pavement with a broad smile. RFK Jr.…