通过肌肉骨建模,探索支架高度对羽毛球侧切割的影响
Siqin Shen1, Haojie Li2, Jin Teng3
1College of Physical Education, Dalian University, Dalian, Liaoning, China.
PloS one
|January 13, 2026
概括
在羽毛球中,高支的内增加了脚的背部屈曲和膝盖的外部旋转. 这可能会改变下肢生物力学,可能会影响运动运动期间的受伤风险.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 整形外科 整形外科 整形外科
背景情况:
- 侧切割是一种高风险的羽毛球机动,会造成下肢显著的压力.
- 弧形支内用于足部稳定,但它们在羽毛球中的生物机械效应是未知的.
研究的目的:
- 为了研究门支高度的变化如何影响下肢生物力学在羽毛球的45度侧向切割过程中.
- 分析关节动力学,运动学和触碰力在脚,膝盖和部.
主要方法:
- 15名男子羽毛球运动员在没有支,低支和高支的内条件下进行了45度的侧向切割.
- 使用OpenSim肌肉骨建模来评估下肢生物力学.
- 单向重复测量ANOVA分析了关节角度,时刻和接触力之间的差异.
主要成果:
- 与没有和低支相比,高支显著增加了脚的背部屈曲和膝盖的外部旋转.
- 观察到更高的部延伸时刻与高支.
- 前后脚关节接触力在高支时增加;膝盖和部力量没有显著差异.
结论:
- 不同的弓形支高度在羽毛球边缘切割过程中急剧改变下肢机制.
- 高支导致脚背部屈曲和膝盖外侧旋转的增加,可能会影响运动策略.
- 需要进一步的研究来确定各种运动员群体中伤害风险的长期影响.
相关概念视频
Bones of the Upper Limb: Radius
The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
The radius has a nail-shaped head, and a short...
The radius has a nail-shaped head, and a short...
Bending and Torsional Moments
Bending and torsional moments are two fundamental concepts in structural engineering. They play an important role in understanding the behavior of materials and structures under different loading conditions.
The reaction developed in a structural element when subjected to an external force causes the element to bend. When a structural element bends upwards, it creates compressive normal forces on the top and tensile normal forces on the bottom, resulting in a couple that determines the bending...
The reaction developed in a structural element when subjected to an external force causes the element to bend. When a structural element bends upwards, it creates compressive normal forces on the top and tensile normal forces on the bottom, resulting in a couple that determines the bending...
Normal Strain under Axial Loading
Normal strain under axial loading is an important concept in the field of mechanics of materials. Axial loading implies the application of a force along the axis of a material, like a column or bar. This force can either compress or stretch the material. In the context of axial loading, normal strain is the deformation experienced by the material in the direction of the loading force. It's calculated as the change in length divided by the original length of the material. This unitless ratio...
Deformation of Member under Multiple Loadings
When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
Eccentric Axial Loading in a Plane of Symmetry
Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
General Case of Eccentric Axial Loading
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical bending,...
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical bending,...


