Lay flat on your back in zero-depth water with ears underwater.

What it is

Swimmer lays flat on their back with heels of feet, hips, back, and head touching the bottom. Water depth should be deep enough so that ears are underwater. Hold for 10 seconds

How you know it worked

The course states this as the testable goal for Guppies: Swimmer lays flat on their back with heels of feet, hips, back, and head touching the bottom. Water depth should be deep enough so that ears are underwater. Hold for 10 seconds