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Differences in joint loading during a side-step cutting manoeuvre on different artificial turf infill depths
Ian Harris Sujae1, Khalid Abdul Jabbar2, Chin Yong Ong1
1School of Health Sports & Leisure, Republic Polytechnic, Singapore, Singapore.
Sports Biomechanics
|March 13, 2020
Summary
Artificial turf with deeper infill may increase lower extremity stress and knee injury risk due to firmer playing surfaces. Athletes may adapt by altering ankle mechanics, potentially impacting performance and injury prevention.
Area of Science:
- Sports Science
- Biomechanics
- Injury Prevention
Background:
- Artificial turf infill depth influences playing surface characteristics.
- Understanding joint loading during athletic maneuvers is crucial for injury risk assessment.
Purpose of the Study:
- To investigate the impact of varying artificial turf infill depths on joint loading during a soccer side-step maneuver.
- To analyze kinematic and kinetic differences in lower extremity joint loading across different infill depths.
Main Methods:
- 17 male inter-college soccer players performed a side-step maneuver on artificial turf with varied infill depths.
- Motion capture (10 high-speed cameras) and force plate data were collected at 250 Hz and 1000 Hz.
- Analysis focused on ground reaction forces (GRF) and ankle joint kinematics/kinetics.
Main Results:
- Greater infill depths correlated with higher peak lateral, anterior/posterior, and vertical ground reaction forces (GRF), suggesting increased surface firmness.
- Significant differences were observed in ankle inversion angle and ankle moments (inversion/eversion, abduction-adduction) at peak vertical GRF.
- No significant differences were found in knee joint loading parameters.
Conclusions:
- Deeper artificial turf infill may increase lower extremity stress, potentially elevating knee ligament injury risk.
- Athletes may compensate with ankle adaptations, shifting stress from the knee.
- Optimal infill depth requires balancing playing characteristics, performance, and injury risk reduction.
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