The main point of this text is that ________.

The paragraph emphasizes the importance of avoiding a sedentary lifestyle and suggests several practical ways to incorporate physical activity into daily routines. It highlights the benefits of taking short walk breaks, stretching, opting for activities like taking the stairs or walking to work, and staying active without necessarily going to the gym. The central message is that being proactive in incorporating physical movement and avoiding prolonged inactivity is crucial for maintaining a healthy body.