The ubiquitous backpack

Backpacks remain ubiquitous. However, their widespread use continues to pose potential health challenges. It is suggest that over 90% of children use backpacks daily, with many carrying loads that exceed the recommended safe threshold of 10% of their body weight. Sustained use of poorly designed or overloaded backpacks may contribute to musculoskeletal strain, and postural fatigue.^1–22

From awareness to action: Grassroots advocacy

For over two decades, public health education, such as the American Occupational Therapy Association's (AOTA) National School Backpack Awareness Day campaign, has advocated for proper backpack use through a tag line, Pack It Light, Wear It Right. Educational advocacy has been a catalyst for meaningful grassroots change. For example, a student-led initiative at Walpole High School in the Commonwealth of Massachusetts found that students often carry 7%-21% of their body weight in backpacks, averaging 14.3%, which surpasses safe recommendations. Survey results align with national data and reveal evolving practices, including the decline in locker use. Action-oriented solutions ranged from data sharing with school authorities to community events promoting sustainable behavior changes. ¹² These collaborative approaches reflect core principles: empowering individuals and communities through evidence-informed mentorship and practice. I am delighted to be this student's mentor! Events, such as National School Backpack Awareness Day, serve as platforms for advocacy and facilitate global public health education.

Innovations in ergonomic backpack design

Recent years have seen significant progress in ergonomic backpack design. Research studies suggest pelvic-load transfer mechanisms, can significantly reduce shoulder load, strap tension, and user exertion. Designs utilizing adjustable hip belts and harness systems appear to efficiently transfer more of the weight from the shoulders to the pelvis, minimizing lumbar and shoulder compression. Additional design advancements include compression systems to optimize load placement, suspension frames to mimic spinal curvature, and modular multi-compartment layouts that challenge prior assumptions about load symmetry.^21,22

Principles for backpack design

Based on a review of the evidence literature, it is suggested that the next generation of backpacks should include these principles:

Center-of-gravity alignment: load mass positioned close to the spine minimizes shear forces

Large-scale campaigns, such as the AOTA's National School Backpack Awareness Day, have disseminated best-practice guidelines worldwide. The integration of public health messaging and ergonomic product innovation is anticipated to amplify the preventive impacts. The evolution of the backpack mirrors a growing societal awareness of musculoskeletal health especially during key developmental periods. While the Pack It Light, Wear It Right message remains relevant, advancing to backpack designs that protect, rather than simply carry, is important. The future of backpack safety will depend on converging biomechanical research, ergonomic design, advocacy, and grassroots practice to safeguard the musculoskeletal health of future generations.

This issue's Editor's Choice paper is Investigating the Impact of Nature-Based Interventions Using Mobile Low-Cost VR on Student Workload by authors Caesaron and Ardani.

I hope you enjoyed the Learn at WORK podcast with editorial board member, Dr Kathryn Wise discussing, More that meets the A.I.: Navigating the future of work. Look for the links on Instagram (@thejournalofwork) and Facebook (@WORK: A Journal of Prevention, Assessment & Rehabilitation) and YouTube: https://www.youtube.com/watch?v=T2Bgr5RCGV4 to access the podcast.

All my best,

Karen

Founding Editor, WORK

Occupational therapist & ergonomist

kjacobs@bu.edu

https://profiles.bu.edu/Karen.Jacobs

http://blogs.bu.edu/kjacobs/

linkedin.com/in/karenjacobsot