Posture Training for Middle Schoolers

The goal of this clinical trial is to investigate if posture training can improve back pain and posture in middle school students. The main questions it aims to answer are: * Can posture training reduce back pain in middle school students? * Can posture training improve body posture in middle school students? Researchers will compare training and control groups to see if posture training reduces pain and improves body posture. Participants will; * Fill a survey assessing pain and body posture at three time points: before the training, immediately after, and at the 1st and 3rd months * Attend three sessions of training on correct body posture and spinal health and its importance, and exercises to be done for spinal health

Inclusion Criteria: * Parental consent and voluntary participation * No physical or mental disabilities * Being a 5th, 6th, 7th, or 8th-grade student * Marking inappropriate posture (incorrect answer) in at least 4 out of 5 posture-related questions in the Back Pain and Posture Assessment tool * Being present at school on the study days, with no excused absence or medical leave * Full participation in the training program and completion of the follow-up process after the pre-test Exclusion Criteria: * Lack of parental consent * Voluntary withdrawal from the study * Failure to complete all three training sessions * Inability to attend school for any reason * Presence of a chronic condition that may cause back pain or posture disorders