Usability and effects on gait of an optimized schoolchildren backpack

背包 步态 后备箱 医学 物理疗法 物理医学与康复 运动学 可用性 计算机科学 工程类 生态学 结构工程 经典力学 生物 人机交互 物理
作者
Jansen Atier Estrázulas,Jaisson Agne Estrázulas,Rodrigo Ghedini Gheller,Inaê Caroline Gadotti,Antônio Renato Pereira Moro,Edgar Ramos Vieira
出处
期刊:Work-a Journal of Prevention Assessment & Rehabilitation [IOS Press]
卷期号:74 (4): 1419-1427
标识
DOI:10.3233/wor-210261
摘要

BACKGROUND: Backpacks used by children is a global concern, because may cause musculoskeletal discomforts and pain. OBJECTIVE: The purpose of this study was to test the usability and effects on gait kinematics wearing the Trunkpack versus a traditional backpack and no backpack. METHODS: Twenty-four children (9 to 11 years old) from a public school participated in this study. The usability was evaluated after a five-week testing period using a questionnaire. Gait kinematics was evaluated (Vicon) when the children were wearing a standard backpack, an optimized backpack (Trunkpack), and no backpack. Both backpacks were loaded with 10% of body weight. RESULTS: Was observed more trunk, hip and knee flexion when the children carried a standard backpack in comparison using the Trunkpack and not carrying a backpack (p < 0.01). The Trunkpack and no backpack were similar. The Trunkpack was well accepted by the schoolchildren (81% positive responses), 79% liked the head opening, 88% liked the waist straps, and 83% liked the facility to put and take objects in and out of the Trunkpack. CONCLUSION: Trunkpack requires less postural adjustments during gait than a standard backpack. Gait kinematics with the Trunkpack was comparable to the gait without carrying a backpack.
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