Lower blood pressure by getting up

The cross-over study of 19 people aged 45–65 years, to be presented at the Hypertension Sydney conference this week, compared the effect of seven hours of sitting with periods of sitting broken up with intermittent light or moderate exercise.

The experiment took place in a simulated domestic environment with a TV, over one day for three weeks.

All participants sat for two hours on arrival. One group then continued to sit uninterrupted and the other groups undertook two-minute bouts of light intensity walking on a treadmill at 3.2km per hour every 20 minutes, or