Los Angeles
In the clip, Schwarzenegger is seen headed for a home workout session, followed by his pet donkey Lulu.
Lulu watches attentively as he exercises, before the actor turns to the camera and says: "How cute is this?"
The clip ends with a shot of Lulu staring at herself in the mirror, reports mirror.co.uk. The Hollywood star captioned it: "Lulu pumps up."
Schwarzenegger shared another video of his lazy pet having a nap on the lawn. "Lulu is having a hard time adjusting to the work week," he wrote.
Arnold recently gushed about his daughter Katherine's pregnancy with her husband Chris Pratt.
During an interview earlier this month, Arnold said: "Can you believe that? That is really exciting news that Katherine now is pregnant and having a baby.
"I don't know when exactly. Sometime this summer. Inevitably, I'm really looking forward to playing around with whatever it is, she or he, and having some fun."
Visit news.dtnext.in to explore our interactive epaper!
Download the DT Next app for more exciting features!
Click here for iOS
Click here for Android