JRCS Water Safety Training (3rd day of 4 days)

3rd day's Menu:
-Cardio-Pulmonary Resuscitation (CPR) (Classroom)
-Skill practice of swim and rescue. (Pool)
-Swim 350m
-Backstroke sculling 15m
-Underwater swim 20m
-Tread water without arms 4minutes.

The method of CPR has changed from that I learned 2 years ago.
2 years ago : 2 x [artificial breathing] >> 15 x [cardiac compression]
This time : 2 x [artificial breathing] >> 30 x [cardiac compression]

The changes of CPR
http://www.qqzaidan.jp/qqsosei/point.htm