Health and Nutrition
Can Exercise Undo the Damage of Sitting All Day?
A major study suggests that an evening workout may not fully offset the health risks of prolonged sitting
- Michal Arieli
- | Updated

Many of us spend most of the day sitting in front of a computer and reassure ourselves that a brisk walk or workout at the gym in the evening will make up for all those hours of inactivity. However, new research casts doubt on that assumption and raises an important warning for anyone who spends long hours sitting at work.
The large scale follow up study, conducted by researchers associated with the University of Glasgow and Harvard, used objective measurements from wearable devices and followed more than 90,000 participants for over a decade to examine their health outcomes.
Can an Evening Workout Make Up for Sitting All Day?
The study’s main conclusion is concerning: prolonged periods of sitting are associated with increased health risks and a greater risk of premature death, even among people who exercise at other times during the day.
In other words, spending hours without moving cannot necessarily be completely “cancelled out” by a single workout in the evening.
One reason may be the metabolic changes that occur in the body during prolonged inactivity. Extended periods of sitting can interfere with the regulation of blood sugar and insulin, contribute to harmful fat accumulation around internal organs such as the liver and heart, and promote inflammatory processes in the body.
The Solution May Be Simpler Than You Think
The good news is that reducing the risks does not necessarily require a dramatic change in your exercise routine. What matters is changing the way you move throughout the workday.
Instead of relying solely on an evening workout, try breaking up long periods of sitting. Simply standing up regularly or taking a short walk around the room can help reduce uninterrupted sedentary time.
If you work at a desk, look for small opportunities to move throughout the day. Stand up while making a phone call, walk to get a glass of water, take a brief walk between tasks, or simply get out of your chair at regular intervals. Our bodies need movement throughout the day, not only when the workday is over.
Regular exercise remains important, but it should not be viewed as a reason to remain almost completely inactive during the rest of the day. To take better care of your body, make movement part of your entire day rather than saving all of it for the evening.

