Higher intensity exercises are found to offer more significant relief from anxiety, a new study showed.

Iran PressSci & Tech: Studies continue to uncover the ways different forms of exercise can be advantageous for our mental health, and a new study has drilled into how chronic anxiety might best be treated through such interventions. The authors have uncovered a relationship between the intensity of physical activity and relief from symptoms of anxiety, with those working up the most sweat found to benefit the most.

The research was led by scientists at the University of Gothenburg and was intended to fill a gap in what we know about physical exercise and mental health. Studies have established links between exercise and reduced risk of depression, but the scientists say the connection with relief from anxiety is less clear. So they drew up a study involving 286 patients diagnosed with an anxiety disorder, constituting what they describe as one of the largest studies of its kind to date, New Atlas reported.

These subjects were divided into groups to undertake different exercise regimes across a 12-week period, defined as either moderate or strenuous. Both groups participated in 60-minute training sessions three times each week involving warmups, 45 minutes of combined aerobic and strength training, followed by cool downs and stretching.

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The sessions were guided by a physical therapist, with the moderate sessions designed to drive the participants' heart rate up to 60 percent of its maximum, and the more intensive sessions designed to hit 75 percent of the participants' maximum. These were confirmed with heart rate monitors and what's known as the Borg scale, an established measure of physical exertion.

Most of the subjects across both groups went from baseline levels of moderate to high anxiety, to a low level of anxiety once the 12-week exercise program had wrapped up. But the difference between the two was profound. The scientists observed that chances of improvement in anxiety symptoms among those in the moderate program rose by a factor of 3.62 compared to a control group. For those in the strenuous group, this factor increased to 4.88.

“There was a significant intensity trend for improvement – that is, the more intensely they exercised, the more their anxiety symptoms improved,” says first author of the study Malin Henriksson.

Findings such as these drive home the benefits of maintaining an active lifestyle when it comes to managing conditions like anxiety, and also demonstrate how it advantages those with chronic forms of the condition and don't respond to standard treatments, like medication and cognitive behavioral therapy. In this way, the study shows how exercise programs tailored to individual circumstances, possibly designed around heart rate and physical exertion, could offer specialized new forms of therapy.


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