<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The paper analyses the impact of ligament stretch and tension on the speed of movement in martial arts from the perspective of sports physiology. It establishes the numerical relationship between the peak impact value of the ligament speed and the differential equation of the flexibility of the joints in the initial stage of tension (impact peak). It was found that the differential equation of the ligament tension of the movement is formed after the movement is stable, which cannot reflect the flexibility of the ligament and the mastery of the movement. In this paper, a tension calculation model for ligament equilibrium is established by using a kinetic method of motion. Although it is a static equation, continuous use can obtain dynamic effects. The simulation proves that the initial tension change is more realistic.</p>
</abstract>

The paper analyses the impact of ligament stretch and tension on the speed of movement in martial arts from the perspective of sports physiology. It establishes the numerical relationship between the peak impact value of the ligament speed and the differential equation of the flexibility of the joints in the initial stage of tension (impact peak). It was found that the differential equation of the ligament tension of the movement is formed after the movement is stable, which cannot reflect the flexibility of the ligament and the mastery of the movement. In this paper, a tension calculation model for ligament equilibrium is established by using a kinetic method of motion. Although it is a static equation, continuous use can obtain dynamic effects. The simulation proves that the initial tension change is more realistic.

Numerical calculation and study of differential equations of muscle movement velocity based on martial articulation body ligament tension

Department of Industrial Technology Application

Department of Information Systems, Faculty of Computing and Information Technology

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

The paper analyses the impact of ligament stretch and tension on the speed of movement in martial arts from the perspective of sports physiology. It...

Ligament	Parameter
Ligament	C3	C4	C5	C6	λ*
MCL/LCL	0.57	48.0	467.1	−485.37	1.063
ACL	0.0139	116.22	535.039	−556.75	1.046
PCL	0.1196	87.178	431.063	−443.74	1.035

Meniscus transplantation fixation	ACL/(%)		PCL/(%)		MCL/(%)
Meniscus transplantation fixation	Pronation	External rotation	Pronation	External rotation	Pronation
Medial meniscus resection	−6.1	−3	26.9	25.3	20.4
Double tunnel fixing	1.5	1.1	2.4	−3.9	1.8
Three tunnels fixing	7.2	8	−0.1	−4.3	−4.2

Ligament	Buckling angle
Ligament	0°	25°	60°	80°
ACL	35	10	25	30
PCL	0	0	25	30
MCL	25	10	10	5
LCL	35	20	25	30

Numerical calculation and study of differential equations of muscle movement velocity based on martial articulation body ligament tension

Publicado en línea: 15 dic 2021

Páginas: 315 - 326

Recibido: 16 jun 2021

Aceptado: 24 sept 2021

DOI: https://doi.org/10.2478/amns.2021.1.00051

Palabras clave
muscle tension, exercise speed balance, forward and backward slip, martial arts exercise, ligament tension

© 2021 Zan Liu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Material properties of each ligament (/MPa)

Average change percentage of maximum deformation of each ligament

Selection results

Numerical calculation and study of differential equations of muscle movement velocity based on martial articulation body ligament tension

Publicado en línea: 15 dic 2021

Páginas: 315 - 326

Recibido: 16 jun 2021

Aceptado: 24 sept 2021

DOI: https://doi.org/10.2478/amns.2021.1.00051

Palabras clavemuscle tension, exercise speed balance, forward and backward slip, martial arts exercise, ligament tension

© 2021 Zan Liu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Material properties of each ligament (/MPa)

Average change percentage of maximum deformation of each ligament

Selection results

Palabras clave
muscle tension, exercise speed balance, forward and backward slip, martial arts exercise, ligament tension