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Backstroke swimming: exploring gender differences in passive drag and instantaneous net drag force
Danielle P Formosa1, Mark Gregory Leigh Sayers, Brendan Burkett
1Faculty of Science, Health and Education, University of the Sunshine Coast, Maroochydore, Queensland, Australia.
Journal of Applied Biomechanics
|December 29, 2012
Summary
Elite male backstroke swimmers experience significantly higher passive and net drag forces than females. Faster swimmers exhibit less drag force fluctuation, indicating improved technique efficiency in backstroke swimming.
Area of Science:
- Sports Science
- Biomechanics
- Swimming Performance
Background:
- Understanding drag forces is crucial for optimizing swimming technique.
- Gender-specific differences in biomechanics can influence swimming efficiency.
Purpose of the Study:
- To quantify gender differences in passive and net drag forces in elite backstroke swimmers.
- To analyze the instantaneous net drag force profile during backstroke swimming.
Main Methods:
- Nine female and ten male elite backstroke swimmers participated.
- Passive drag was measured while swimmers were towed in a streamline position.
- Net drag force was assessed during maximal speed swimming using an assisted towing device.
Main Results:
- Male swimmers exhibited significantly higher passive and mean net drag forces than female swimmers (P < .001).
- No significant gender differences were found in minimum or maximum net drag forces during arm strokes.
- Instantaneous net drag force profiles varied within and between individuals and genders.
Conclusions:
- Elite male backstroke swimmers face greater drag forces compared to elite females.
- Reduced drag force fluctuations correlate with higher swimming speeds, suggesting superior stroke technique.
- Analysis of instantaneous net drag force offers valuable insights into elite backstroke technique.
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