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首页> 外文会议>International Research Society of Spinal Deformities >The effect of Frontpacks, Shoulder bags and Handheld bags on 3D back shape and posture in young university students: An ISIS2 study
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The effect of Frontpacks, Shoulder bags and Handheld bags on 3D back shape and posture in young university students: An ISIS2 study

机译：前包装，肩包和手持袋对年轻大学生3D背形姿势的影响：ISIS2研究

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Background: Students at school and university settings have been shown to carry heavy loads in a variety of pack systems. Both type and mode of load carriage have been shown to cause significant postural adaptations that can lead to injuries in the shoulder, arms, hands and back. Whilst backpacks have been well researched, there is a paucity of literature on the effects of frontpacks, shoulder bags and hand-held bags on 3D posture and back shape. Objective: The objective of this study was to evaluate the effect of carrying three different types of bag (shoulder, front and handheld), each containing a load of 15% body weight. Materials: The Integrated Shape Imaging System 2 (ISIS 2) was used to evaluate 3 D back shape and posture. Participants: The study involved twenty-five university students. A repeated measures design was used to record the effects of four conditions using no load (reference), a frontpack, a shoulder bag and a handheld bag. Measurements with ISIS 2 were taken 5 minutes post loading. All of the conditions were randomised in an attempt to offset any order effects. Results showed an increase in extension and lumber lordosis angles for the front bag (P<0.001) and an increase in flexion and reduced lumber lordosis in the shoulder and hand held bags (p<0.05). Kyphosis curves were also significantly increased in the hand held bag (p<0.006). Right unilateral load carriage also demonstrated the greatest right volumetric asymmetry. Discussion: Bilateral front carriage as supported by previous literature produces a symmetrical shift away from the load. Unilateral carriage however produces an asymmetrical deviation away from the load which results in significant postural deviations and adaptations. Conclusion: Frontbags may be more suitable for load carriage within the young adult student population as they produce a symmetrical postural deviation in one plane in response to load. The shoulder and handheld bags produce postural deviations in all planes which may cause adverse stress and strain on spinal structures and ultimately lead to pain and progressive postural scoliosis.
机译：背景：已显示学校和大学环境的学生在各种包装系统中携带重载。已经显示出两种类型和载荷模式，导致可能导致肩部，武器，手和背部受伤的显着姿势适应性。虽然背包已经得到了很好的研究，但缺乏对3D姿势和背部形状的前包装，肩包和手持袋的影响的文献。目的：本研究的目的是评估携带三种不同类型的袋子（肩部，前部和手持）的效果，每个袋子含有15％体重的负荷。材料：集成形状成像系统2（ISIS 2）用于评估3 D背形和姿势。参与者：该研究涉及二十五名大学生。重复措施设计用于录制使用没有负载（参考），前包装，肩包和手持式袋的四种条件的效果。用ISIS 2测量载荷5分钟。所有条件都是随机化的，试图抵消任何订单效应。结果表明，前袋的延伸和木材崇善角度增加（P <0.001），肩部和手持袋中的屈曲和降低木材雄蕊的增加（P <0.05）。手持式袋中的脊氏曲线也显着增加（P <0.006）。正确的单侧载荷载体还展示了最右边的体积不对称。讨论：以前文献支持的双侧前架产生了远离负荷的对称转变。然而，单侧载体产生远离负荷的不对称偏差，导致显着的姿势偏差和适应性。结论：前袋可能更适合于年轻成年学生人群中的载荷，因为它们在一个平面上产生对称的姿势偏差，以响应负载。肩部和手持式袋在所有平面中产生姿势偏差，这可能导致脊柱结构的不利应力和菌株，最终导致疼痛和渐进的姿势脊柱侧凸。

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