 |
 |

High Contact Pressure Beneath Backpack Straps of Children Contributes to Pain
Arch Pediatr Adolesc Med. 2005;159:1186-1187.
 |
 |
| Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings. |
|
 |
 |
Worldwide, 92% to 94% of schoolchildren carry backpacks1-2 and frequently complain of shoulder and back pain.1, 3 On average, children load their backpacks between 10% to 22% body weight (BW).4-5 An understanding of how loads are distributed under backpack straps may help identify the source of shoulder and back pain in children. The purpose of this study was to quantify the contact pressures and perceived pain under backpack straps while children carried varying loads.
Methods
The study was approved by San Diego Childrens Hospital and Health Center (San Diego, Calif) and University of California, San Diego, institutional review boards. Both the legal guardian and the child subject signed the consent form. Subjects age, height, and weight were mean ± SD 13.2 ± 0.8 years, 136.5 ± 49 cm, and 62 ± 21 kg, respectively. All subjects reported carrying a backpack during normal daily activity.
Five male and 5 female, healthy, normal subjects wore T-shirts and shorts or pants and carried . . . [Full Text of this Article] Results
Comment
AUTHOR INFORMATION
Brandon R. Macias, BA;
Gita Murthy, PhD;
Henry Chambers, MD;
Alan R. Hargens, PhD
|