相关实验视频

Updated: Sep 11, 2025

Biomechanical Analysis Methods to Assess Professional Badminton Players' Lunge Performance

Biomechanical Analysis Methods to Assess Professional Badminton Players' Lunge Performance

Published on: June 11, 2019

在精英和业余单人滑冰运动员之间,对双边下肢关节力学和Axel跳跃中的肌肉协同模式的比较研究

Jialiang Yu¹, Mingda Li¹, Zhiyuan Chen²

¹School of Sport Training, Chengdu Sport University, Chengdu, China.

Frontiers in bioengineering and biotechnology

|August 14, 2025

概括

精英花样滑冰运动员在轴跳跃期间表现出优异的下肢协调和肌肉激活时间.

科学领域:

生物力学生物力学
运动科学运动科学运动科学
发动机控制器的控制器

背景情况:

对下肢关节动力学和滑冰跳跃中的肌肉协同作用的分析是有限的.
轴跳需要下肢运动和肌肉激活的复杂协调.

研究的目的:

为了比较业余和精英花样滑冰运动员在阿克塞尔跳跃期间的下肢关节动力学和肌肉协同模式.
为优化花样滑冰训练计划提供理论基础.

主要方法:

采用三维运动捕捉和表面电肌图 (sEMG) 来收集数据.
OpenSim软件处理了动力学数据;分析了非负矩阵分解 (NMF) 的肌肉协同作用.
在轴跳的接近,起飞和飞行阶段收集了动力学和sEMG数据.

主要成果:

在接近到起飞阶段,在精英滑冰运动员和业余滑冰运动员之间观察到下肢关节角度 (部,膝盖,脚,下) 的显著差异.
精英滑冰运动员表现出五种不同的肌肉协同作用,而业余运动员表现出六种,肌肉贡献和激活时间有所不同.
精英运动员在前肌肉中表现出显著更高的贡献重量,并在关键阶段更早,更集中地激活肌肉.

结论:

接近和起飞阶段是阿克塞尔跳跃中精英滑冰运动员和业余滑冰运动员之间的关键区别.
精英滑冰运动员表现出更有效的运动策略和卓越的运动性能,特别是在肌肉激活时间方面.
培训应强调在这些关键阶段加强下肢控制和早期,高效的肌肉激活.

关键词:

阿克塞尔跳跃跳跃艺术滑冰艺术滑冰是一项运动.关节动力学关节动力学发动机控制器的控制器肌肉协同作用肌肉协同作用技能水平技能水平技能水平

更多相关视频

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations

Published on: May 1, 2018

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

相关概念视频

Axial and Appendicular Muscles

Axial and Appendicular Muscles

Skeletal muscles, the key players in our body's movement, can be classified into two groups based on their location and function: axial muscles and appendicular muscles. These classifications reflect the primary roles the muscles play in the body's structure and movement.
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...

Development of the Limb Synovial Joints

Development of the Limb Synovial Joints

Joints form during embryonic development in conjunction with the formation and growth of the associated bones. The embryonic tissue that gives rise to all bones, cartilage, and connective tissues of the body is called mesenchyme.
The mesenchymal stem cells differentiate into chondrocytes that form the hyaline cartilage, and later the cartilaginous model of the bone. This model further transforms into a bone. This process is known as endochondral ossification.
During development, the limbs...

Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...