Effect of variable backpack load and strap option on the pulmonary function of children: A simulation using treadmill walking
| Autor: | Udoka A. C. Okafor, G.C. Okoye, Ukachukwu Okoroafor Abaraogu, E.B. Kizito |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Male
030506 rehabilitation medicine.medical_specialty Adolescent Vital Capacity Maximal Midexpiratory Flow Rate Peak Expiratory Flow Rate Walk Test Walking medicine.disease_cause Treadmill walking Pulmonary function testing Weight-bearing Weight-Bearing 03 medical and health sciences Physical medicine and rehabilitation Forced Expiratory Volume Medicine Humans 0501 psychology and cognitive sciences Term effect Child 050107 human factors Maximal Expiratory Flow Rate School age child Cross-Over Studies business.industry 05 social sciences Rehabilitation Public Health Environmental and Occupational Health Mean age Equipment Design Backpack Chest expansion Physical therapy Female 0305 other medical science business |
| Zdroj: | Work (Reading, Mass.). 55(3) |
| ISSN: | 1875-9270 |
| Popis: | BACKGROUND The restrictive effect of backpack loads on chest expansion has been widely reported but little is known whether pulmonary function in children is affected by the placement of the straps of the backpack. OBJECTIVE To determine the effects of strap configuration and backpack loads on pulmonary function among school age children. METHODS Eighteen children (mean age of 12±1.68 years) participated in this study. Pulmonary functionwas assessed using spirometryat baseline and during five test conditions. Two strap configurations were compared: double straps with the backpack worn midline on the back with one strap over each shoulder and single strap with the backpack worn laterally with one strap over the shoulder. RESULTS A marginal increase was shown in all measures of pulmonary function during standing and walking, and as the backpack weight increased. However, all the marginal changes in pulmonary function tests across different weights and strap patterns were not statistically significant. CONCLUSION Variable backpack loading and strap options appear to influence changes to the pulmonary function of children. Although the observed changes are marginal, it could not be determined if they have a long term effect. Further investigations of larger sample size are required to inform practice. |
| Databáze: | OpenAIRE |
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