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[Isokinetic measurements in adolescent runners]
1Orthopädische Klinik des Ev. Waldkrankenhauses Spandau, Akad. Lehrkrankenhaus, Freien Universität Berlin.
Summary
This study examined isokinetic parameters in adolescents aged 13-19, finding age and training significantly impact peak torque and fatigue. Injury risk was linked to physiological development, not just muscle torque ratios.
Area of Science:
- Sports Medicine
- Biomechanics
- Human Physiology
Context:
- Investigating isokinetic parameters in adolescents aged 13-19.
- Comparing untrained youth with trained young runners.
- Assessing muscle function across ankle, knee, and hip joints.
Purpose:
- To analyze the developmental trends of isokinetic parameters (peak torque, time to peak torque, fatigue index) in adolescents.
- To compare these parameters between different age groups and athletic training statuses.
- To identify relationships between isokinetic measures, age, training, and injury incidence.
Summary:
- Significant correlations were found between age, training status, and all three isokinetic parameters (peak torque, time to peak torque, fatigue index) across six muscle groups.
- While specific peak torque ratios between flexors and extensors did not correlate with increased injuries, physiological developmental changes were associated with higher injury rates.
- The time range of tension development emerged as a potential factor influencing injury frequency, suggesting a more nuanced view beyond simple strength imbalances.
Impact:
- Highlights the importance of considering developmental stage and training load in adolescent athletes' physical conditioning.
- Suggests that injury prevention strategies should incorporate dynamic muscle function assessments beyond static strength ratios.
- Provides insights for optimizing training programs and injury surveillance in young athletes based on physiological development and muscle performance characteristics.