EFFECT OF WALKING SPEED ON THE MECHANICS OF GAIT

步行速度对步态力学的影响

• 批准号: 2568376
• 负责人: J P HOLDEN
• 金额: --
• 依托单位: NATIONAL INSTITUTE OF ARTHRITIS AND MUSCULOSKELETAL AND SKIN DISEASES
• 依托单位国家: 美国
• 资助国家: 美国
• 起止时间: 至
• 项目状态: 未结题
• 来源: https://reporter.nih.gov/project-details/2568376
• 关键词: biomechanics; body movement; clinical research; ergonomics; gait; human subject; knee; limb movement; neuromuscular function; young adult human (21-34)

It is estimated that up to 43 million Americans have a disabling condition that limits one or more of their daily activities, and that 38% of people with disabilities have significant mobility limitations. Biomechanically-based movement analysis is used increasingly in the surgical and medical treatment of a variety of neuromuscular and musculoskeletal disorders associated with these functional limitations. Inverse dynamics analysis provides data on the joint kinetics -- net muscle moments and powers used at joints during movement -- which reveal the neuromuscular strategies used to produce the observed movement. A patient's gait patterns are often evaluated using comparisons with data obtained from healthy individuals, despite the fact that many patients walk at much slower speeds. It is important when interpreting a patient's data to distinguish which variations from normal are due solely to differences in walking speed and which are due to neuromuscular abnormalities or adaptations other than speed. The purpose of this project is to investigate the effect of dramatically different walking speeds on the mechanics of gait, as well as the effect of measurement variation on the interpretation of gait data.

据估计，多达 4300 万美国人患有残疾 这限制了他们的一项或多项日常活动，并且 38% 的人 残疾人士的行动能力受到很大限制。 基于生物力学的运动分析越来越多地应用于 各种神经肌肉疾病的外科和药物治疗 与这些功能限制相关的肌肉骨骼疾病。 逆动力学分析提供了关节动力学数据——网络 运动过程中关节使用的肌肉力矩和力量——这揭示了 用于产生观察到的运动的神经肌肉策略。 一个 通常通过与数据比较来评估患者的步态模式 尽管许多患者从健康个体中获得 以慢得多的速度行走。 在解释患者的病情时，这一点很重要 数据来区分哪些与正常值的变化完全是由于 步行速度的差异是由神经肌肉引起的 速度以外的异常或适应。 这样做的目的 项目是调查显着不同的步行效果 速度对步态力学以及测量的影响 步态数据解释的变化。