Effects of using backpacks on the occurrence of back pains /
Crisella Alday.
- Las Piñas City, Philippines : Southville International School and Colleges, 2005.
- 21 pages : colored illustrations ; 28 cm.
Includes bibliographical references.
Back--Effect of loads on health. Back pain--Causes and prevention. Backpacks--Health aspects. Posture--Effects of carrying weight. Spinal health--Impact of heavy bags.