Stand, pull both ends of the towel with both hands, and straighten the tie up. Straighten your back and bend your body slowly to the left. Straighten your left hand horizontally, stretch your right arm, and straighten the towel when you bend over. When you feel stretching in your waist and arms, keep exercising for 5 seconds, and then switch to the right side to stretch. Practice alternately left and right 10 minutes.

Thin arm 2 method

Stand up, stand up straight, and hold both ends of the towel with both hands. Bend your elbow and put the towel behind your head. The left hand is put down, the right hand is slightly raised, the elbow is bent, and the arm feels the most suitable stretch. The towel is just at an oblique angle of 45 degrees. Then resume your movements and practice on the other side. Hands exchange exercise 10 minute

Thin arm 3 method

Stand up, stand up straight, and hold both ends of the towel with both hands. Bend your elbow and put the towel behind your head, as shown. Hands on your head, head, hands, upper body down. Keep your legs straight and your hands straight. During the whole process, both hands should pull the towel hard, and the towel should be in a straight line during the whole process. Repeat the exercise 10 minutes. (for adoption)