2 Left arm, 2 Right arm and 1 Arms stroke repeat
Idea of the drill
The rotation of the body and the coordinated work of the legs and arms
Make sure that the armpit is above the surface of the water while recovering phase.
During the stroke with one side of the hand. The opposite side of the body makes an imitation of the stroke but without the stroke with the arm.
During 1 arms stroke, make pull with a high elbow and return of the arm with an armpit above the surface of the water.