Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine ( 2025 )  24 ,  721  -  728   DOI: https://doi.org/10.52082/jssm.2025.721

Research article
Biomechanical Differences Between Ipsilateral and Contralateral Change-Of- Direction Movements Using the Same Planting Foot in Recreational Team Sport Players
Chi-Hsien Chen1, Mingchia Yeh2, Chiang Liu3,4, , Yan-Jer Tseng3, Sung-Ting Lu4,5
Author Information
1 Department of Kinesiology, Iowa State University, IA, USA
2 Department of Exercise Science, Slippery Rock University, Slippery Rock, PA, USA
3 Graduate Institute of Sports Equipment Technology, University of Taipei, Taipei, Taiwan (R.O.C)
4 Taiwan Institute of Sports Science, Taiwan (R.O.C.)
5 Graduate Institute of Athletics and Coaching Science, National Taiwan Sport University, Taoyuan, Taiwan (R.O.C)

Chiang Liu
✉ PhD Graduate Institute of Sports Equipment Technology, University of Taipei, Taipei, Taiwan (R.O.C)
Email: chiangliu1974@gmail.com
Publish Date
Received: 05-12-2024
Accepted: 24-02-2025
Published (online): 01-12-2025
Narrated in English
 
 
ABSTRACT

Change-of-direction (COD) movements are critical for predicting injury risk or identify sport performance. Multiple studies have examined contralateral COD (contra-COD) comprehensively, but few studies have examined ipsilateral COD (ipsi-COD). This study investigated the kinetic and kinematic parameters of the same planting foot during ipsi-COD and contra-COD movements. In total, 29 recreational team sport players performed 60° ipsi-COD and contra-COD movements. Biomechanical data were collected using a three-dimensional force plate and a motion capture system. The ipsi-COD task exhibited a 6% shorter contact time than the contra-COD task. In addition, ipsi-COD resulted in a significantly greater ankle pronation–supination range (+27%), smaller inversion–eversion range (-19%), and decreased plantarflexion-dorsiflexion range (-37%). Lower ground reaction forces (horizontal: -14%, vertical: -32%, resultant: -14% to -279%) and impulse values (horizontal: -24%, vertical: -23%, resultant: -24%) were observed for ipsi-CODs than for contra-CODs. The musculoskeletal structure of the lower limbs provides an anatomical advantage for excessive eversion during ipsi-COD, leading to a more rounded execution path compared with contra-COD. The differences in contact time, ankle range of motion, and ground reaction force in ipsi-COD may result from joint alignment, force application techniques, and movement execution strategies. The observed phenomenon of shorter contact time with lower ground reaction force and smaller ankle range in ipsi-COD offers new insights for future studies investigating COD mechanics across different movement contexts.

Key words: Symmetric movement, movement of relativity, cutting movement, ground reaction force, rang of motion


           Key Points
  • The shorter contact time and lower ground reaction force observed in ipsilateral change-of-direction movements (COD) provide new insights for future studies investigating COD mechanisms in different COD tasks.
  • This study establishes a foundational framework for ipsilateral COD research and introduces a multidirectional COD protocol as a feasible methodology for further investigation.
  • Contact time, ankle joint range of motion, and ground reaction force were analyzed using a 60° multidirectional COD protocol to compare ipsilateral and contralateral movements.
  • Ipsi-COD and contra-COD movements may not be symmetrical in terms of execution difficulty.
 
 
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