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Movement Retraining using Real-time Feedback of Performance
Published on: January 17, 2013
A feedback inclusive neuromuscular training program alters frontal plane kinematics.
Eric K Greska1, Nelson Cortes, Bonnie L Van Lunen
1Department of Human Movement Sciences, Old Dominion University, Norfolk, Virginia, USA. egreska@odu.edu
Journal of Strength and Conditioning Research
|September 17, 2011
Summary
A 10-week neuromuscular training program improved biomechanics in female soccer players, potentially reducing anterior cruciate ligament (ACL) injury risk. The program enhanced lower extremity strength and altered knee and hip movement patterns during dynamic tasks.
Area of Science:
- Sports Medicine
- Biomechanics
- Orthopedics
Background:
- Anterior cruciate ligament (ACL) injuries are common in female athletes.
- Neuromuscular training programs show promise in reducing ACL injuries.
- Further research is needed to understand modifiable biomechanical factors influenced by training.
Purpose of the Study:
- To evaluate the effects of a 10-week off-season neuromuscular training program on lower extremity kinematics in Division I female soccer players.
- To identify specific biomechanical changes related to ACL injury risk.
Main Methods:
- Twelve Division I female soccer players participated.
- A 10-week program included resistance, plyometric, agility, and speed training.
- Running stop-jump tasks were assessed pre- and post-training using motion capture and force plates.
- Repeated measures ANOVAs analyzed kinematic and kinetic data.
Main Results:
- Significant increases in hip extension, flexion, and adduction isometric strength were observed.
- Knee abduction angle at initial contact shifted towards adduction (p=0.007).
- Hip abduction angle increased at initial contact (p=0.007) and peak knee flexion (p=0.002).
- Maximum knee extension moment at peak stance increased (p=0.027).
Conclusions:
- The 10-week neuromuscular training program positively altered lower extremity biomechanics.
- These changes may reduce factors contributing to anterior cruciate ligament (ACL) injury risk.
- This training approach shows potential for injury prevention in female athletes.
