Many studies have shown a major correlation here. Look at the latest study which states that by walking at least 11 minutes every day, the risk of premature death is reduced by 25%. Just by walking for 11 minutes. But obviously, in the case of blue zones, natural walking is much more common. The more you include natural walking in your daily life, the better it is. Now, walking uses specific muscles of the legs, but it is very important to naturally move every muscle in the body.
What we see in Okinawa is that people don’t have a lot of furniture in their homes. Instead of using dining tables people sit on the floor to eat. What is the benefit of this? They have to sit down and get up at least 3-4 times a day. More natural movement. The simple logic is to try to incorporate natural movements in daily life as much as possible.
You can buy a standing desk instead of a normal desk. You can sit on the floor and eat instead of at the dining table. In many places in India, this has been the traditional way. And instead of using a car, use a cycle or walk as much as possible.