Integration of Lumbar Extensor Muscle Strengthening with Ergonomic Seating

将腰部伸肌强化与符合人体工程学的座椅相结合

• 批准号: 7400276
• 负责人: Daniel Foster
• 金额: $ 17.21万
• 依托单位: ABOVE FITNESS PRODUCTS, LTD
• 依托单位国家: 美国
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-09-06 至 2010-08-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/7400276
• 关键词: Address; Age; American; Articular Range of Motion; Atrophic; Back; Chronic; Clinical; Common Cold; Computer Interface; Computers; Condition; Development; Devices; Effectiveness; Employee; Engineering; Environment; Equipment; Exercise; Exercise Physiology; Fatigue; Feedback; Goals; Grant; Human; Incidence; Injury; Instruction; Joints; Left; Ligaments; Lordosis; Low Back Pain; Lower Back Injury; Measures; Mechanics; Medical; Methods; Monitor; Movement; Muscle; Musculoskeletal Diseases; Occupations; Pain; Pelvis; Performance; Personal Satisfaction; Phase; Population; Positioning Attribute; Posture; Preventive; Problem Solving; Productivity; Range; Range of motion exercise; Reporting; Research; Research Personnel; Resistance; Risk; Role; Speed; Stimulus; Stress; Structure; Surface; System; Technology; Testing; Time; Treatment Cost; Treatment Protocols; Validation; Vertebral column; Week; Work; Workers' Compensation; Workplace; arthropathies; computerized; cost; day; design; ergonomics; experience; fitness; innovation; instructor; muscle strength; novel; prevent; programs; prototype; sedentary; success; usability; visual feedback

DESCRIPTION (provided by applicant): This grant proposes an innovative approach to prevent low back pain and injury associated with prolonged seating. Specifically, we propose to integrate lumbar extensor muscle strengthening with ergonomic task seating. By doing so, we will provide the public with a means to address two primary causes of low back pain and injury: 1) poor or prolonged seating postures, and 2) weak lumbar muscles, and to do so without leaving the workplace. With over 100 million American workers sitting on the job, work styles becoming more sedentary, and the average worker getting older, the need for preventive measures is critical. Over 100 million work days are lost each year due to low back pain, second only to the common cold. Medical treatment costs for employers exceed $26 billion per year; costs related to lost productivity and retraining new employees exceed $100 billion per year. Leveraging our preliminary work on the mechanical hardware, Phase I will develop the technology required for independent and safe performance of the exercise regimen and test the efficacy of the exercise stimulus to isolate the lumbar extensors via a novel method of pelvic stabilization. Specific Aim 1 will develop a computerized visual feedback system for inclusion on the chair to monitor user performance during exercise. Specific Aim 2 will evaluate and compare lumbar extensor surface electromyographic (EMG) activity during dynamic trunk extension exercise on two devices; our prototypic Back-to-Work ChairTM, and the clinically proven MedXTM Lumbar Extension machine (MedX Corporation, Ocala, FL). Successful completion of this work will position us in Phase II to subject the chair to clinical validation in a workplace environment. This would include usability testing with seated workers to optimize the ease of use and content of the computer feedback system, and a 12 week program of progressive resistance exercise to determine the effect of isolated lumbar strengthening on reports of low back pain and morphological changes of the lumbar spine.

描述（由申请人提供）：这项拨款提出了一种创新方法来预防腰痛和长时间坐着造成的伤害。具体来说，我们建议将腰伸肌强化与符合人体工学的任务座椅结合起来。通过这样做，我们将为公众提供一种方法来解决腰痛和受伤的两个主要原因：1）不良或长时间的坐姿，2）腰部肌肉无力，并且无需离开工作场所即可实现这一点。由于超过 1 亿美国工人坐着工作，工作方式变得更加久坐，而且普通工人的年龄越来越大，预防措施的必要性至关重要。每年因腰痛损失的工作日超过 1 亿个，仅次于普通感冒。雇主每年的医疗费用超过260亿美元；与生产力损失和新员工再培训相关的成本每年超过 1000 亿美元。 利用我们在机械硬件方面的初步工作，第一阶段将开发独立、安全地执行运动方案所需的技术，并测试运动刺激的功效，以通过一种新的骨盆稳定方法隔离腰部伸肌。具体目标 1 将开发一种计算机视觉反馈系统，安装在椅子上以监测用户在锻炼期间的表现。具体目标 2 将评估和比较两种设备上动态躯干伸展运动期间腰伸肌表面肌电图 (EMG) 活动；我们的原型 Back-to-Work ChairTM 和经过临床验证的 MedXTM 腰椎伸展机（MedX Corporation，奥卡拉，佛罗里达州）。这项工作的成功完成将使我们进入第二阶段，在工作环境中对椅子进行临床验证。这将包括对坐着的工作人员进行可用性测试，以优化计算机反馈系统的易用性和内容，以及为期 12 周的渐进抗阻训练计划，以确定孤立腰椎强化对腰痛和腰椎形态变化报告的影响。