Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations

Overview

This protocol aims to measure the functional quadricep to hamstring ratio and assess muscle asymmetries during different movement speeds. It highlights the importance of eccentric hamstring training to prevent injuries in athletes.

Key Study Components

Area of Science

• Sports Science
• Biomechanics
• Muscle Physiology

Background

• The hamstrings are prone to injury in athletes.
• Functional training requires intensive eccentric contractions.
• Hamstring function is related to quadricep function.
• Testing should occur at various contraction speeds.

Purpose of Study

• To measure the quadricep to hamstring ratio.
• To determine the force angle curve of knee flexors and extensors.
• To identify muscle asymmetries at different speeds.

Methods Used

• Isokinetic testing on a valid dynamometer.
• Familiarization sessions for subjects prior to testing.
• Comparison of eccentric hamstring actions to concentric quadriceps actions.
• Assessment of muscle function at varying movement speeds.

Main Results

• Insights into hamstring function relative to quadriceps.
• Identification of muscle asymmetries.
• Understanding of how movement speed affects muscle performance.
• Application of results to resistance training programs.

Conclusions

• The technique provides a comprehensive diagnostic tool.
• Results can enhance training protocols for athletes.
• Improved understanding of muscle dynamics can aid in injury prevention.

Frequently Asked Questions