在测量膝关节松时,Lachmeter在测试器内部和测试器之间的可靠性
Mikkel Oxfeldt1, Anton B Pedersen1, Mette Hansen1
1Department of Public Health, Aarhus University, Aarhus, Denmark.
Translational sports medicine
|April 24, 2024
概括
新的数字膝盖松装置Lachmeter在健康人群中显示出可变的可靠性,但在ACL患者中显示出更一致的可靠性. 拉赫曼抓技术比前部抽抓更可靠.
科学领域:
- 整形外科 整形外科 整形外科
- 生物力学 生物力学
- 医疗器械技术 医疗器械技术
背景情况:
- 膝盖受伤在所有年龄组中都很普遍.
- 准确的临床膝关节检查对于患者的预后,监测和康复至关重要.
- 拉赫米特是一种新的数字化设备,旨在改进膝盖松性评估的罗利米特.
研究的目的:
- 为了评估Lachmeter在测试者内部和测试者间的可靠性.
- 为了评估Lachmeter在健康膝盖和前十字带 (ACL) 损伤的膝盖中的性能.
- 为了比较两个不同的握力技术 (拉赫曼和前抽) 与拉赫米特的可靠性.
主要方法:
- 这项研究涉及24名健康参与者和6名ACL患者.
- 两名测试人员使用Lachmeter检查膝盖,并在21天内进行重新检查.
- 使用拉赫曼和前抽抓技术进行了测量.
- 使用类内相关系数 (ICC),标准测量误差 (SEM) 和最小可检测变化 (SDC) 来评估可靠性.
主要成果:
- 在健康受试者中,测试者内部可靠性从差到好 (ICC: -0.280.87),测试者内部可靠性也是可变的 (ICC: 0.410.87).
- 在ACL患者中,测试器内可靠性中等至优异 (ICC:0.530.94),测试器间可靠性一般良好 (ICC:0.610.89).
- 与前部抽抓技术相比,拉赫曼抓技术的可靠性更高.
结论:
- 拉赫米特在健康人群中表现出可变的可靠性,但在ACL患者中显示出中度至优异的可靠性.
- 拉赫曼手柄是使用拉赫米特的首选技术.
- 建议进一步验证Lachmeter与黄金标准膝盖松性评估的相关性.
相关概念视频
Uncertainty in Measurement: Reading Instruments
37.6K
Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...
37.6K
Temperature Measurement Sites
4.3K
A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
4.3K
Assessing Blood pressure in the Leg
17.9K
Proper measurement of leg blood pressure is a critical skill for healthcare providers, ensuring precise and reliable readings. When performed correctly, this procedure informs patient care and enhances the efficacy of interventions. The following text outlines step-by-step guidelines to measure blood pressure in the leg, providing clarity and ease of understanding for practitioners.
Preparation:
Preparation:
17.9K
Distance Measurements by Taping
710
Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
710
Distance Corrections
430
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
430


