> 1. Physical exercise won't help but getting up from your seat does. The former is a super set of the latter. You could argue that you only get up once for phy

> 1. Physical exercise won't help but getting up from your seat does. The former is a super set of the latter. You could argue that you only get up once for physical exercise but you can't totally discount the muscle movements during that 30-60 min period. They're not saying sitting for extended periods negates all of the advantages of exercise, but what they are saying is that no amount of exercise can negate all of the disadvantages of sitting for extended periods. The counter-intuitiveness of this claim is exactly why this is in the news.