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freediving theory at a glance (draft)
Transcript of freediving theory at a glance (draft)
Gas piping snorkel
Large rubber mask
Small rubber fins History Breathe Up ‘Apnea’ Routines (hand-out) Relaxation Depth – Fold-in and kick Descending – Duckdive, swim 10m-15m Practice Equalisation descending!! Ascending - Hyperventilate Amniotic Fluid Achimede’s Principle of Bouyancy
‘A body immersed in liquid receives a force upwards that is equal to the weight of the liquid displaced’ 60% Adult 97% Human Embryo 80% New Born Baby Natural Ability Water born baby Effects of water - 1kg:1litre = Neutral Bouyancy - 75kg:90litres = Positive Bouyancy - 75kg:60litres = Negative Bouyancy 125m 142m 214m 273m 11:35 mins Alarms Mobile Phones Eating & drinking A
S OBJECTIVES What is Freediving Physiological Effects Technique and Bouyancy Different Disciplines and
Records SUMMARY Physiology Disciplines KNOWLEDGE ANY FINAL
QUESTIONS Aim LOOK FORWARD Equipment & History Techniques 30 Mins ANY QUESTIONS?