基于三维弧度体积的新弧度灵活性分级系统的脚结构研究
Jun Liu1, Miao Deng2, Wei Wang2
1Department of Orthopedics, Daping Hospital, Army Medical University, Chongqing, 400042, China; The 5th Outpatient Clinic, Western Theater General Hospital, Chengdu, 610000, China.
Chinese journal of traumatology = Zhonghua chuang shang za zhi
|September 16, 2023
概括
开发了一个新的3D分类系统,用于弧度体积灵活性 (AVF). 这种系统,以及门高度灵活性 (AHF),在足类型中进行了分析,并没有显示AVF和AHF之间存在显著的相关性.
科学领域:
- 生物力学 生物力学
- 整形外科 整形外科 整形外科
- 足部医学是一门专业.
背景情况:
- 足结构和灵活性对于足部功能和伤害预防至关重要.
- 传统的方法通常依赖于门高度,缺乏全面的3D理解.
- 需要一个新的分类系统,以更好地描述脚的特性.
研究的目的:
- 引入一个新的三维 (3D) 分类系统,用于弧度体积灵活性 (AVF).
- 为了研究AVF和弧度指数 (AI) 之间的关系.
- 检查门高度灵活性 (AHF) 和AI之间的相关性.
主要方法:
- 招募了180名年轻男性成年人进行3D脚部扫描和船形高度测量.
- 计算了AVF和AHF,将门分为五个灵活性级别 (非常硬到非常灵活) 和三种类型 (洞穴,直径,平面).
- 采用千平方和斯皮尔曼相关性测试来分析数据,统计学意义设置为p < 0.05.
主要成果:
- 分析了318英尺的有效数据;在左脚和右脚之间没有发现AVF的显著差异.
- 在洞穴,直肠和平平脚类型中,AVF分布有所不同,但这些差异在统计学上并不显著.
- 在门高度灵活性 (AHF) 和门体积灵活性 (AVF) (p=0.060) 之间没有发现显著的相关性.
结论:
- 弓体积灵活性 (AVF) 均地分布在不同的脚弓类型 (cavus,rectus,planus) 上.
- 该研究发现AVF和高度灵活性 (AHF) 之间没有统计学上显著的关系.
- 与AHF相比,AVF提供了一个潜在的更全面的3D测量弧形灵活性.
相关概念视频
01:29Three-Dimensional Analysis of Strain
247
Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...
247
01:20Structural Classification of Joints
3.5K
Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
A fibrous joint is where the adjacent bones are united by fibrous connective...
3.5K
01:09Functional Classification of Joints
4.2K
Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
4.2K
01:30Three-Dimensional Force System
2.1K
In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
2.1K