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Fin type and flutter technique: a study to optimise the oxygen consumption in divers.
Gemma M Gea-García1, Alejandro Espeso-García1, Pablo J Marcos-Pardo1
1Department of Sport Science, Faculty of Sport Sciences, San Antonio Catholic University, Murcia, Spain.
Ergonomics
|March 24, 2020
Summary
Oxygen consumption (VO2) in SCUBA divers varies significantly with fin type and flutter technique. Professional divers and specific fins like Jet and XShot optimize oxygen use for better diving efficiency.
Area of Science:
- Sports Science
- Physiology
- Marine Biology
Background:
- SCUBA diving requires significant energy expenditure.
- Optimizing fin selection and technique can improve diver efficiency and reduce fatigue.
Purpose of the Study:
- To assess the variability of oxygen consumption (VO2) in SCUBA divers.
- To determine the impact of fin type, flutter technique, and diver profile on VO2.
Main Methods:
- Twenty-three SCUBA divers participated in four 2.5-hour sessions.
- Six fin models and two flutter techniques (frog kick and crawl kick) were evaluated.
- Oxygen consumption (VO2) was measured during 30-minute flutter routines for each fin and technique.
Main Results:
- VO2 was significantly lower with Jet and XShot fins compared to Twin Jet fins.
- Certified divers exhibited higher VO2 than professional divers.
- Frog kick technique resulted in higher VO2 than crawl kick technique.
Conclusions:
- Fin type, flutter technique, and diver profile significantly impact oxygen consumption during SCUBA diving.
- Selecting appropriate fins and techniques based on diver profile can enhance efficiency.
- This research offers insights for optimizing SCUBA diving equipment and training.
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