A twice-a-week routine of high-intensity interval training shows a marked effect on fitness and overall wellbeing in people over 70, according to a new study.
Regular cardio sessions centered around short bursts of intense workouts, broken up by brief rest periods, can help us stay healthier for longer, according to researchers at the Norwegian University of Science and Technology.
When the 5 year study began in 2012, researchers called it Generation 100, and randomly divided healthy participants into three different training groups.
One group was assigned to high-intensity interval training (HIIT) using the 4X4 method twice a week—doing 4 minutes of 85-95% maximum heart rate aerobic exercise and 4 minutes of 60% maximum heart rate for 4 rounds. Group two was instructed to train at a steady, moderate intensity for 50 minutes. The participants could choose whether they wanted to train on their own or participate in group training with instructors.
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