DEVICE FOR TESTING LEG MUSCLE POWER IN THE ELDERLY

老年人腿部肌肉力量测试装置

• 批准号: 6168808
• 负责人: Neil Martin Cole
• 金额: $ 10.47万
• 依托单位: BIO LOGIC ENGINEERING, INC.
• 依托单位国家: 美国
• 财政年份: 1996
• 资助国家: 美国
• 起止时间: 1996-09-30 至 2001-03-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6168808
• 关键词: accidental falls; balance; biomechanics; biomedical equipment development; clinical research; geriatrics; human old age (65+); human subject; knee; leg; measurement; monitoring device; muscle strength; portable biomedical equipment

DESCRIPTION: (adapted from applicant's abstract) This Phase II STTR project involves the continued development of a safe, low-cost, portable device to measure maximum voluntary muscle power generated during fundamental movements of the hip and knee. The goal is to provide an objective and sensitive geriatric tool for easily assessing the physical domain that best predicts the ability to successfully arrest an on-going fall. The execution of rapid steps needed to regain balance requires high levels of hip and knee power that may exceed the capacity of an elderly individual. Nevertheless, leg power is rarely measured during geriatric assessments because accurate, portable, cost effective devices for the measurement are not commercially available. Consequently, Bio Logic Engineering will enhance and commercialize the Phase I prototype to provide measures of power generation during isolated hip and knee movements performed in the gravity free plane. Power and strength measures from 40 healthy younger, 40 healthy older subjects, and from 20 slower older female walkers will be compared with results obtained on a standard isokinetic system. Because higher speed movements appear more relevant, the hypothesis will be tested that 240 deg/sec power data will explain more of the variability on a forward fall recovery test than do 120 deg/sec data. PROPOSED COMMERCIAL APPLICATION: Our primary goals are to provide a tool to improve geriatric assessment and rehabilitation, and in the long-term possibly aid in the reduction of falls suffered by the elderly. The market for the device is widespread considering its use in geriatric research, orthopedic rehab, sports medicine, group practices, medical centers, hospitals, assisted living centers, athletic training, etc. We anticipate sales volume to be in the thousands to many tens of thousands of units at an estimated retail cost of $5,000 each. A considerable increase in commercial potential may be realized if future research validates its clinical utility in aiding in the assessment of the physical capacity of an elderly individual to recover from a loss of balance.

产品说明：（改编自申请人的摘要）该第二阶段STTR项目涉及继续开发一种安全、低成本、便携式设备，以测量髋关节和膝关节基本运动期间产生的最大随意肌肉力量。我们的目标是提供一个客观和敏感的老年医学工具，轻松评估的物理域，最好的预测能力，成功地逮捕正在进行的下降。执行快速步骤需要恢复平衡需要高水平的髋关节和膝关节的力量，这可能超过老年人的能力。然而，在老年评估过程中很少测量腿部力量，因为用于测量的准确、便携、成本效益高的设备在市场上不可用。因此，生物逻辑工程将加强和商业化的第一阶段原型，以提供发电措施，在孤立的髋关节和膝关节运动进行的重力自由平面。功率和力量的措施，从40个健康的年轻人，40个健康的老年受试者，并从20个较慢的老年女性步行者将进行比较，获得一个标准的等速系统的结果。由于更高速度的运动似乎更相关，因此将对假设进行检验，即240度/秒的功率数据比120度/秒的数据更能解释前倒恢复试验的变异性。拟定商业应用：我们的主要目标是提供一种工具，以改善老年评估和康复，并在长期可能的援助，在减少福尔斯遭受的老年人。考虑到其在老年医学研究、骨科康复、运动医学、团体实践、医疗中心、医院、辅助生活中心、运动训练等方面的应用，该设备的市场非常广泛。我们预计销售量将达到数千至数万台，估计零售成本为每台5，000美元。如果未来的研究证实其在帮助评估老年人从失去平衡中恢复的身体能力方面的临床效用，则可能实现商业潜力的显著增加。