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Mechanical efficiency of the elbow flexors in rowing
T O Bompa1, J Borms, M Hebbelinck
1Department of Physical Education, York University, Ontario, Canada.
Summary
Investigating rowing biomechanics, this study found that a semiprone grip enhances elbow flexor force output and muscle activity compared to the traditional prone grip. This suggests a potential improvement in rowing mechanical efficiency.
Area of Science:
- Sports Biomechanics
- Kinesiology
- Human Movement Science
Background:
- Limited biomechanical research exists on rowing mechanical efficiency.
- Coaching often prioritizes aesthetics over mechanical effectiveness.
- Elbow flexor force output is influenced by forearm position, with conflicting literature on optimal grip.
Purpose of the Study:
- To investigate the impact of grip position on elbow flexor force output in rowers.
- To compare the mechanical efficiency of a semiprone grip versus the traditional prone grip.
- To assess if a modified grip technique could enhance rowing performance.
Main Methods:
- Experimental design comparing prone and semiprone grip positions.
- Measurement of athletes' force output during elbow flexion.
- Electromyography (EMG) to assess muscle electrical activity.
Main Results:
- The semiprone grip position generated significantly greater force output.
- Higher electrical activity was observed in elbow flexor muscles with the semiprone grip.
- The semiprone grip demonstrated superior performance under the tested conditions.
Conclusions:
- The semiprone grip is biomechanically superior to the traditional prone grip for elbow flexors in rowing.
- Current rowing techniques may not be optimized for maximal mechanical efficiency.
- Further research into grip optimization could enhance rower performance.