That's not even close to true. I can easily pop into HN for 5 minutes while taking a mental break at work, that's not an option (and would be utterly ineffective) for the gym.
If you truly only have 5 minutes of free time in your entire week, then why is it ineffective to do 5 minutes of pushups?
That’s a lot of pushups.
If you truly only have 5 minutes of free time in your entire week, then why is it ineffective to do 5 minutes of pushups?
That’s a lot of pushups.