Effect of a Physiotherapist-Led School-Based Postural Education Programme on Knowledge of Healthy Postural Habits Among Nigerian Adolescents: A Controlled Quasi- Experimental Study

For many teenagers, the school day is a long exercise in sitting still. They hunch over textbooks, lean into computer screens, and carry heavy bags, often for hours at a time. While this routine feels normal, it can quietly strain the developing spine. Musculoskeletal disorders, which include pain in the back, neck, and shoulders, are a major cause of disability worldwide. Although these conditions are often thought of as problems for older adults, evidence shows that the roots of many of them are planted during childhood and adolescence. This is a critical window when the body is growing rapidly and when lifelong habits regarding how we sit, stand, and move are formed. If poor postural habits take hold during these years, they can persist into adulthood, leading to chronic pain. The question facing health experts is whether a structured lesson on how to sit and move correctly can actually change what teenagers know and how they behave, particularly in regions where such health education is not yet common.

In Nigeria, a team of researchers set out to test this idea with a group of adolescents attending private lesson centers in Enugu. These centers provide extra academic help for students preparing for national exams, meaning the students spend significant time sitting in classrooms. The researchers, led by physiotherapists, wanted to see if a specific educational program could improve the students' understanding of healthy posture and their actual habits. They focused on a group of 200 teenagers, splitting them into two groups. One group received a special program, while the other continued with their usual studies. The goal was to determine if a short, focused course taught by a physical therapy expert could make a real difference in how these young people cared for their spines.

The program itself was designed to be hands-on and practical. Over the course of three weeks, the students in the intervention group attended fifteen sessions, one every weekday. Each session lasted forty-five minutes and was led by a single licensed physiotherapist to ensure the teaching was consistent. The lessons were not just lectures; they included live demonstrations of good and bad posture, guided practice where students corrected their own positions, and discussions about how to carry school bags, use computers, and lift objects safely. The students learned about the anatomy of the spine and the specific risks of slouching or staying in one position for too long. They were given pamphlets and posters to reinforce the messages. The other group of students, the control group, did not receive this extra instruction during the study period; they simply continued their normal academic routine.

After the three weeks were over, the researchers measured what had changed. They asked the students to answer questions about their knowledge of back care and their daily habits. The results showed a clear and significant shift in what the students knew. Those who attended the lessons demonstrated a much higher level of understanding regarding healthy postural habits compared to the students who did not. The improvement was substantial, covering both general daily activities and specific physical exercises. This suggests that when teenagers are given clear, repeated instruction from a specialist, they can quickly learn the facts about spinal health.

The study also looked at whether this new knowledge translated into actual changes in how the students sat and moved. The researchers found that the intervention group did improve in specific areas. A significantly higher number of these students reported sitting correctly while writing and while using a computer. These are behaviors that were directly practiced and corrected during the lessons. However, the changes were not uniform across all habits. While the students got better at sitting at a desk, their habits regarding how they carried their backpacks, how they slept, or how much time they spent watching television did not show a statistically significant improvement compared to the control group. This indicates that while a short course can fix immediate, supervised behaviors, changing deeper lifestyle habits that happen at home or outside the classroom takes more time and reinforcement.

Perhaps the most telling result concerned physical pain. The researchers asked the students if they were experiencing any aches or pains in their neck, back, or shoulders. Despite the improvements in knowledge and some behaviors, the study did not find a significant reduction in these symptoms over the three-week period. This is not surprising to experts in the field. Pain often develops from years of poor posture, and fixing the root cause does not instantly erase the discomfort that has already built up. The researchers noted that it takes time for the body to heal and for new, healthy habits to become strong enough to prevent pain. The lack of immediate pain relief does not mean the program failed; rather, it suggests that the benefits of such education may take longer to appear in the form of reduced pain.

The study concludes that a physiotherapist-led program in a school setting is a powerful tool for teaching adolescents about spinal health. It successfully equipped students with the knowledge they need to protect their backs and helped them correct specific postural errors while sitting at a desk. However, the researchers caution that this is just the beginning. Changing deep-seated habits and preventing long-term pain requires more than a few weeks of lessons. It likely needs ongoing support from parents and teachers, as well as longer periods of practice. The findings provide a strong reason to include such education in school health programs, not as a quick fix for pain, but as a foundational step toward a lifetime of better movement and health.