Chronic low back leads to a significant socio-economic burden. It is associated with physical and psychosocial deconditioning. Even a short "nature experience" has positive effects on the affective and cognitive factors involved in chronic pain. In the brain, the anterior cingulate cortex plays an important role in both pain and emotions. Exposure to a natural environment may decrease activation of the anterior cingulate cortex. The main objective of this study is to evaluate the effectiveness of therapeutic horticulture on the decrease of activation of the anterior cingulate cortex in people with chronic low back pain participating in 2 sessions of 90 minutes of therapeutic horticulture and 2 sessions of 90 minutes of handiwork. The investigators hypothesize that therapeutic horticulture may reduce the activation of the anterior cingulate cortex. The effects of therapeutic horticulture may be mediated through the double exposure to both nature and physical activity.
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Change in the activity of the anterior cingulate cortex
Timeframe: 3 weeks