The challenge in sport freediving is that humans can destroy their own limits. By dive medicine, and can hold back into the water for a long time and so far. Experience the sea is calm to the freediving. Concentrate for divers who can dive deeper, have more than 100 meters, heart rate is reduced, the rest just 20 times per minute. From the usual 60 times per minute. However, sports, freediving
การแปล กรุณารอสักครู่..