The goal of this study is to measure the effect of telerehabilitation on the treatment of nonspecific chronic LBP in the adults Brazilian Black population. The main questions it aims to answer are: 1. Will the graded activity exercises guided by educational approach or only the educational approach alone improve low back pain intensity, functional capacity, quality of life, anxiety, fear-avoidance beliefs due to nonspecific chronic low back pain before, immediately after the 4-week intervention, and after 3 and 6 months of follow-up? 2. How will participants' behaviors in terms of frequency and adherence, exercise feedback diary, and educational approach for nonspecific chronic low back pain be? What are the participants' opinions and any difficulties or barriers encountered throughout the study? 3. What are the perceptions of discrimination based on race, gender, age, socioeconomic status, and education when accessing healthcare services for the treatment of low back pain in the past? Researchers will compare Group Experimental Graded Activity with Educational Program with Telerehabilitation to a placebo (only Educational Approach ) to see improve the pain intensity and functional capacity because of low back pain. Participants will: * Take Group Experimental (GAEP) or a placebo (OEA) 3 times per week, for 1 month. * Keep a feedback diary of their symptoms and the barriers they have. * Visit the researcher by online teleassessment after one month, 3 months and 6 months follow-up.
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Pain intensity
Timeframe: The participants' pain intensity will be evaluated at baseline (T0), after 12 sessions (T1), at 3 months (T2), and at 6 months (T3).