Analysis and Comparison of Motion Biomechanics Characteristics of Squat Jump and Half-Squat Jump

Author:

Zhao Manman1ORCID,Zhang Jinjin1ORCID

Affiliation:

1. School of Physical Education, Xi'an Peihua University, Xi’an, Shaanxi,710125, China

Abstract

In order to study the biomechanical characteristics of squat jump and half-squat jump, analysis and comparison were made. This paper tests and analyzes the kinematics and dynamics of 63 young men’s squat jump, and synchronously collects the kinematics and dynamics data of subjects in the process of weight-bearing squat, in-situ free jump, and high platform landing. The experimental results showed that there was significant difference in knee joint angle at the time of toe off ( P  < 0.05), and there was significant difference in ankle joint angle at the time of toe off ( P  < 0.05). The time law of squat jump and semi squat jump in vertical jump was the same. In vertical jump, the reaction time law of squat jump and semi squat jump is the same, and the recovery standing time is the longest, followed by the take-off time and reaction time. The two vertical jump methods have no effect on the height, time, and speed of exercise take-off.

Funder

Shaanxi Provincial Sports Bureau

Publisher

Hindawi Limited

Subject

Computer Networks and Communications,Computer Science Applications

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