Lower limb maneuver investigation of chasse steps among male elite table tennis players

Changxiao Yu, Shirui Shao, Jan Awrejcewicz, Julien S. Baker, Yaodong Gu

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)
121 Downloads (Pure)

Abstract

Background and objectives
The popularity of table tennis has increased globally. As a result, the biomechanical movement patterns in the lower limb during table tennis have attracted extensive
attention from coaches, scientists and athletes. The purpose of this study was to compare the differences between the long and short chasse steps in table tennis and evaluate risk factors related to injuries in the lower limb.

Materials and Methods
Twelve male elite athletes performed forehand topspin strokes with long and short chasse steps in this study, respectively. The kinematics data of the lower-limb joints were measured by a Vicon motion analysis system. The electromyograms (EMG) of six lower-limb muscles were recorded using a myoelectricity system.

Results
The key findings were that the angle change rate of the ankle in the long chasse step was faster with a larger
range of motion (ROM) in the coronal and transverse planes. The hip was also faster in the sagittal and transverse planes but slower in the coronal plane compared with the short chasse step. In addition, the vastus medialis (VM) was the first activated muscle in the chasse step.

Conclusions
The hip and ankle joints in the long chasse step and the knee joint in the short chasse step have higher
susceptibility to injury. Moreover, tibialis anterior (TA), vastus medialis (VM) and gastrocnemius (GM) should be sufficiently stretched and warmed prior to playing table tennis. The results of this study may provide helpful guidance for teaching strategies and providing an understanding of potential sport injury mechanisms.
Original languageEnglish
Article number97
Number of pages11
JournalMedicina
Volume55
Issue number4
Early online date8 Apr 2019
DOIs
Publication statusPublished - 8 Apr 2019

Keywords

  • table tennis
  • chasse step
  • kinematics
  • EMG
  • biomechanics

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