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SFU Advanced Freediving Research Study 2003

For its third year in a row, Simon Fraser University in partnership with the members of Performance Freediving and the Canadian Association of Apnea (CAFA) will be running an Advanced Freediver Research Study starting January 15th, 2003. This program studies non or novice freedivers over a 12-week period measuring their psychophysiological. This is done in order to aid science in understanding some of the attributes freedivers are able to develop in respects to mammalian diving reflexes and how these psychophysiological adaptations can help the larger public.

This clinic will be conducted by Kirk Krack, President of Performance Freediving and Coach/Captain of Team Canada; Mandy-Rae Cruickshank, two time world record holder, five time national record holder and Team Canada member and Tom Lightfoot (Team Canada member and Canadian national record holder). Dr. Andrew Blaber and Dr. Eric Seedhouse, of the Simon Fraser University School of Kinesiology in Vancouver, Canada, will be conducting a study of participants involving the ‘Psychophysiological Adaptations and Responses of Novice and Elite Freedivers’. The non-invasive research testing may study the following

  • Pulmonary Function Measurements
  • Cardiovascular Measurements
  • Blood Pressure Monitoring
  • Maximal Oxygen Uptake Measurement

The research clinic will run Wednesday evenings for twelve weeks and cover both class and pool sessions with weeks seven to twelve including a weekend open water dive component. This clinic is designed to enhance the participants physiological and psychological capabilities along with the techniques required to be a competent and safe freediver. Non-invasive testing will be done on weeks 1 and 12. Advanced Freediver program covers the following:

  • Safety and Problem Management
  • Equalization and Equipment for Freediving
  • Physics and Physiology of Freediving
  • Breathing and Relaxation for Freediving
  • Surface Swimming Techniques
  • Breathing and Surface Diving Techniques
  • Underwater Swimming
  • Constant Ballast and Free Immersion
  • Static and Dynamic Apnea
  • Competition Skills and Rules

This course will be held January 15th through April 2nd, 2002.

For more information on this course contact Kirk Krack at or 604-862-5868.

For more Research Information, contact Dr. Eric Seedhouse at or 604-291-5694 or Dr. Andrew Blaber at or 604-291-5694.

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Cliff Etzel
Cliff Etzel
Cliff is the former Freediving editor of He is now a freelance journalist and film-maker.