October 2, 2023

A Five-Minute Fix for the Hazards of Prolonged Sitting

Now a study by Columbia University exercise physiologists has an answer: simply 5 minutes of strolling every half hour during periods of extended sitting can offset some of the most harmful results.
The study, led by Keith Diaz, Ph.D., associate teacher of behavioral medication at Columbia University Vagelos College of Physicians and Surgeons, was released in Medicine & & Science in Sports & & Exercise, the journal of the American College of Sports Medicine.
Unlike other research studies that test a couple of activity choices, Diazs study checked 5 various exercise “snacks”: one minute of walking after every 30 minutes of sitting, one minute after 60 minutes; five minutes every 30; five minutes every 60; and no walking.
” If we had not compared several choices and varied the frequency and duration of the workout, we would have only had the ability to provide people with our finest guesses of the ideal regimen,” Diaz states.
Each of the 11 grownups who got involved in the research study pertained to Diazs laboratory, where individuals sat in an ergonomic chair for eight hours, increasing only for their prescribed exercise snack of treadmill walking or a bathroom break. Scientist watched on each individual to guarantee they did not over- or under-exercise and periodically determined the individuals high blood pressure and blood sugar level (essential signs of cardiovascular health). Participants were allowed to deal with a laptop, check out, and utilize their phones during the sessions and were provided standardized meals.
The optimal amount of motion, the scientists discovered, was 5 minutes of strolling every 30 minutes. This was the only amount that considerably lowered both blood sugar level and blood pressure. In addition, this walking regimen had a remarkable impact on how the individuals responded to big meals, decreasing blood glucose spikes by 58% compared with sitting throughout the day.
Taking a walking break every 30 minutes for one minute also provided modest advantages for blood glucose levels throughout the day, while strolling every 60 minutes (either for one minute or five minutes) supplied no advantage.
All quantities of strolling significantly lowered high blood pressure by 4 to 5 mmHg compared with sitting all the time. “This is a considerable decrease, similar to the reduction you would anticipate from exercising everyday for 6 months,” states Diaz.
The researchers also periodically determined individuals levels of state of mind, tiredness, and cognitive performance during the screening. All walking regimens, other than walking one minute every hour, caused considerable declines in fatigue and substantial improvements in state of mind. None of the walking routines affected cognition.
” The results on state of mind and tiredness are very important,” Diaz states. “People tend to repeat behaviors that make them feel great which are enjoyable.”
The Columbia scientists are presently evaluating 25 different dosages of walking on health results and testing a wider variety of individuals: Participants in the existing study remained in their 40s, 50s, and 60s, and the majority of did not have diabetes or high blood pressure.
” What we understand now is that for ideal health, you need to move frequently at work, in addition to a daily workout regimen,” states Diaz. “While that might sound impractical, our findings show that even percentages of walking spread through the workday can substantially decrease your risk of heart problem and other persistent illnesses.”
Recommendation: “Breaking Up Prolonged Sitting to Improve Cardiometabolic Risk: Dose-Response Analysis of a Randomized Cross-Over Trial” by Andrea T. Duran, Ciaran P. Friel, Maria A. Serafini, Ipek Ensari, Ying Kuen Cheung and Keith M. Diaz, 15 December 2022, Medicine & & Science in Sports & & Exercise.DOI: 10.1249/ MSS.0000000000003109.
The research study was moneyed by the Robert N. Butler Columbia Aging Center of Columbia University.

Extended sitting has actually been linked to a number of unfavorable health effects. Sitting for long durations of time has been revealed to increase the danger of numerous chronic conditions, such as cardiovascular disease, weight problems, type 2 diabetes, and particular types of cancer. Prolonged sitting likewise leads to reduced circulation, which can result in the formation of blood embolisms and a higher risk of deep vein apoplexy. In addition, prolonged sitting can lead to a decrease in muscle activity, triggering the muscles to weaken and increasing the danger of injury.
In addition, this strolling regimen had a significant result on how the participants reacted to big meals, decreasing blood sugar spikes by 58% compared with sitting all day.

Extended sitting likewise leads to reduced blood circulation, which can result in the formation of blood embolisms and a greater danger of deep vein apoplexy. In addition, extended sitting can lead to a decline in muscle activity, causing the muscles to damage and increasing the threat of injury.
A prescription for extended sitting: A five-minute stroll every half hour.
Growing proof highlights the threats of extended sitting, a typical element of contemporary life, even for people who engage in routine workout. In light of these findings, doctor advise that all adults lower the quantity of time invested sitting and increase exercise.
How often and for how long do we need to get up from our chairs?
Few studies have compared different options to identify the minimum level of exercise needed to offset the negative health impacts of a sedentary workday, a concern that lots of office employees aspire to have actually responded to.