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Pain Science Education and Graded Exposure for Chronic Low Back Pain
Sponsor: University of Chile
Summary
Chronic low back pain can affect daily activities and may be influenced by how people understand pain, their fear of movement, and their responses to stressful or uncertain physical activities. This clinical trial will evaluate whether a 6-week program combining pain science education with graded exposure to movement is more effective than usual physical therapy for adults with chronic low back pain. Participants will be randomly assigned to one of two groups: pain science education combined with graded exposure to movement, or usual physical therapy. The study will assess changes in pain, disability, fear of movement, and pain-related thoughts. It will also examine physiological responses to stress and muscle activity while participants perform a lifting task. The study aims to determine whether combining education about pain with gradual exposure to feared movements can improve clinical outcomes, physiological responses to stress, and motor performance in people with chronic low back pain.
Official title: Effect of Pain Science Education Combined With Graded Exposure to Movement on Physiological Stress Responses and Motor Performance in Patients With Chronic Low Back Pain
Key Details
Gender
All
Age Range
18 Years - 60 Years
Study Type
INTERVENTIONAL
Enrollment
82
Start Date
2026-11-02
Completion Date
2028-03-31
Last Updated
2026-09-23
Healthy Volunteers
No
Conditions
Interventions
Pain Science Education Plus Graded Exposure
Participants will receive six 30-minute pain science education sessions over 6 weeks, including two group sessions, two individual online sessions, and two asynchronous sessions. Education will address pain neurobiology, the relationship between pain and tissue damage, pain modulation, cognitive and emotional influences on pain, neuroplasticity, self-management, and the role of movement. Participants will also receive six weekly individual, in-person graded exposure sessions. Feared or avoided functional activities will be identified and hierarchically ordered, and participants will be gradually exposed to these activities. Progression will be individualized by modifying load, speed, or range of motion.
Usual Physical Therapy
Participants will receive one 30-minute group educational session addressing mechanical causes of low back pain, spinal anatomy, physiology and biomechanics, self-care and ergonomics, lifting techniques, and therapeutic exercise. Participants will also receive one in-person physical therapy session per week for 6 weeks, including stretching, thermotherapy, electrotherapy, and conventional core stabilization exercises (3-4 sets of 20-30 repetitions). Participants will be instructed to perform trunk stabilization exercises at home three days per week.