Stretch the clavicle backwards
1. Find a rubber band with moderate elasticity and put it on your wrist behind the back of your hand. Two feet wide, chin up.
2. Stand up your arms, raise your arms and stand up at the same time. Hold at the critical point for 5 seconds.
If you think 2 is easy, you can stand on tiptoe to make it more difficult.
Chest expansion exercise
1. Put the rubber band on your hand in a figure of eight, and then put your hand on your chest, as shown in the figure. Exhale when you lean forward.
2. Then inhale, open your hands and straighten your upper body. Pay attention to raising your arms to shoulder height.
Closure of clavicle
1. Cross the rubber band into two rings, raise your hand to shoulder height and put it on your wrist.
Starting from the basic posture, the rubber band is crossed into two circles and put on the wrist. Inhale slowly through the nose and lift the clamped arm to about the same height as the shoulder.
2. Including the chest, make the back bend, and the elbow is located in front of the chest.
3. Keep a bent posture to cover your chest. Exhale slowly from your mouth, put your hands on the back of your hand and press the center of your chest.
Stretch the clavicle backwards
1. Stand straight, legs apart, shoulder width apart, toes open. In the process of standing, the legs are in the shape of the letter "A", and both sides of the legs can also stand in parallel.
2. Start from the basic posture, tie a rubber band on your wrist, and then straighten your arm. During this process, keep your back straight and your foot shape unchanged.
These are some exercises to exercise, I believe you have the opportunity to exercise your collarbone!