News — dna
The evidence for short burst of activity has been mounting for a long time. Now there is research showing that even small sessions can have bona fide benefits. Think: challenging enough to jack up your heart rate, but only a minute or less at a time. (i.e. 20 seconds of work, with 10 seconds of rest repeated several times).
These short and sweet exercise nuggets help build cardiorespiratory health. It has been said that these short bouts of exercise over a period of time (3-5 days a week for 3 weeks) may improve the heart's pumping capacity and ability to transport oxygen throughout the body. They also appear to improve markers of insulin sensitivity and lower triglycerides.