Decompression Sickness: The link between Exercise, Fitness & Scuba Diving!

Decompression Sickness: The link between Exercise, Fitness & Scuba Diving! Since the inception of diving there has been controversy and lack of understanding about what is and what is not safe to do in terms of exercise around a scuba dive schedule. For many years it was thought that no exercise should be performed 24 hours prior to or after a dive. This was done in a an effort to decrease the risk of decompression sickness for divers. But some interesting studies have been performed over the past 20 years that may prove otherwise. In this episode of Everything Scuba, Lyell looks into the science behind exercise and scuba diving; when is it safe (before, during and after diving), what types of exercises are recommended and why divers should in general look to maintain their physical fitness, and lastly how does all of this tie into the risk of decompression sickness?!

Divers Ready: How to Fail at Tec Diving: https://www.youtube.com/watch?v=9uP7ms-saUA

References & Articles we reviewed for this episode:
Youtube: DAN: https://www.youtube.com/watch?v=Nb9dMuJ0R7U
https://www.dansa.org/blog/2017/08/25/physical-exercise-before-during-after-a-dive
http://diversalertnetwork.org/medical/faq/Timing_exercise_and_diving
http://www.awoosh.com/DocVikingo/Exercise_and_DCS
http://www.scubadiving.com/training/basic-skills/ask-dan
http://www.scuba-doc.com/tenfootstop/?p=183
http://www.undercurrent.org/UCnow/dive_magazine/2004/ExerciseBefore200403
http://www.yorkshire-divers.com/forums/dive-medicine-fitness/188768-hard-exercise
Wisloff, U., Richardson, R.S. & Brubakk, A.O. NOS inhibition increases bubble formation and reduces survival in sedentary but not exercised rats. J Physiol.; Jan 15 2003; 546 (Pt 2): p577-582.
Wisloff, U. & Brubakk, A.O. Aerobic endurance training reduces bubble formation and increases survival in rats exposed to hyperbaric pressure. J Physiol.; Dec 1 2001; 537 (Pt 2): p607-611.
Wisloff, U., Richardson, R.S. & Brubakk, A.O. Exercise and nitric oxide prevent bubble formation: a novel approach to the prevention of decompression sickness? J Physiol.; Mar 16 2004; 555 (Pt 3): p825-829.
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0:00 #1 reason to fail a Technical Diving course.....
0:57 Does exercising before, after or during scuba diving increase my risk of DCS?
1:38 The reason to stay fit as diver...
2:44 Exercise and scuba diving studies.
5:08 The Journal of Exercise, Endothelium and Diving Physiology.
5:43 BUT....
6:15 General principles for exercise and scuba diving #1: Be Fit to begin with.
6:58 #2: Before Diving...
7:15 #3: After Diving...
7:35 What types of exercises are safe & not safe after diving?
8:03 #4: During your descent and Bottom Time.
8:21 #5: During your ascent and safety stop.
8:48 #6: Don't fall asleep immediately after diving.
9:41 Do you know DAN?

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Видео Decompression Sickness: The link between Exercise, Fitness & Scuba Diving! канала Everything Scuba