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People with often slouch, their droopy shoulders mirroring their down mood. So what happens if they simply sit up straighter? They may feel more upbeat and less fatigued, says a new study from the University of Auckland. The study is slated for publication in the March 2017 issue of the Journal of Behavior and Experimental .

Proud, persistent, confident, alert

Previous research had focused on the link between posture and mood in healthy populations, says Elizabeth Broadbent, Ph.D., one of the authors of the new study. Broadbent is an associate professor of health psychology at the University of Auckland.

“These studies suggest that, compared to sitting in a slumped position, sitting upright can make you feel more proud after a success, increase your persistence at an unsolvable task, and make you feel more confident in your thoughts,” Broadbent says. “Research also suggests that sitting upright can make you feel more alert and enthusiastic, feel less fearful, and have higher after a task.”

But would a simple change in posture have any impact on people with depression? That’s what Broadbent and her colleagues set out to investigate.

How the research was conducted

The study included 61 participants who were identified as having mild to moderate depression on a screening test. The group as a whole was more likely to sit with stooped shoulders and a rounded back, compared to norms for people without depression.

Researchers randomly assigned the participants to either an upright-posture group or a usual-posture group. Those in the upright-posture group were given instructions on how to sit up straight:

First, they looked straight ahead, straightened their backs, and leveled their shoulders. Then, they thought about stretching the tops of their heads toward the ceiling while gently drawing their shoulder blades down and together.

Rigid physiotherapy tape was placed on their shoulders and backs to help them maintain this position. In contrast, the usual-posture group sat however they wished. Tape was applied to their shoulders and backs, too, but in a manner that didn’t affect their posture.

While sitting this way, the participants took part in a task that’s widely used to elicit stress. It involved giving a five-minute speech, which they were told would be judged, and then counting backward from 1,022 in steps of 13. At various points during the study, participants also filled out questionnaires measuring their mood symptoms.

Benefits for people with depression

The results: “In our study, asking individuals with mild to moderate depression to sit upright reduced their fatigue and increased their enthusiasm over a short time period, compared to individuals who sat in their usual posture,” says Broadbent.

“In addition,” Broadbent says, “participants sitting upright spoke more words in total during the stressful speech task, but reduced how much they used first-person singular pronouns (such as “me” and “I”). This suggests that they had more energy, had less negative mood, and were less self-focused”— changes consistent with easing of depressive symptoms.

When your mood is in a slump

If you have depression that’s causing serious distress and interfering with your daily life, good posture is no substitute for professional treatment. But as an addition to treatment, occasionally reminding yourself to sit or stand up straight might help you feel more upbeat and energetic. Thus far, there’s only limited evidence to support this approach, but there’s also very little risk in trying it.

In any case, improving slouchy posture may have other health benefits. Poor posture can lead to backaches, shoulder and neck pain, and headaches.

If you don’t have depression but are just feeling a little blue, multiple studies suggest that improving droopy posture may give your mood a pick-me-up. “The reason I got into this area was that one day I was walking along, feeling a bit sad after a bad day,” says Broadbent. “I noticed that I was walking with my shoulders slumped and looking at the ground. I looked up and put my shoulders back, and immediately I felt much better.”

Broadbent adds, “I hypothesized that, if this worked for me, it might work for other people, too. That is what got me started on this research pathway. From my own experience and from my research, I think adopting an upright posture can help people feel better. But I think much depends on context and situation, and more research is needed into when [this strategy] works and for whom.”

Linda Wasmer Andrews tries not to slump over her desk, where she spends her days writing about strategies that promote health and . Connect with her on Twitter or Facebook.