:one: Lying on your stomach, raise your thumbs up. Arms at an angle of 90 *10 times :two: We take the elbows back, hands at the temples. Shoulders 90* angle15 times :three: We become the letter T and rotate our hands back and forth in isolation. Watch the video to see how far the shoulder blades should go. 20 times :four: The back is straight, we take the thumbs back, the elbows are almost pressed to the body and do not move.10 times