"The first couple of weeks just went mad with the training and nothing else to do. And was like…over did it I think and was exhausted," Hemsworth told the host.
"So, I've sort of found a balance now."
The 36-year-old also admits that looking after his three kids with wife Elsa Pataky is equally as tricky.
"You know, keeping my kids entertained is like training, it's a physical challenge in itself," he continued.
Fortunately, the former cover star is living it up in Byron and doesn't face the same difficulties as inner city folk.
"We're under different sort of restrictions here and we're still allowed to surf and exercise outside," he added.
"I'm thankful to be in a small coastal town like this and I feel for you, and anyone in a big city that's isolated at moment and locked in an apartment."