You can exercise your chest muscles with a round shoulder posture, but this exercise method is targeted. Before exercise, we need to know the harm of round shoulder posture to the body. This posture is often in a state where the shoulders are bent and the diaphragm is tense, resulting in the compression of the aorta and vena cava, and the most serious compression of the spinal nerve, causing headache and numbness in the hands. So be sure to understand the harm to the human body, and then go to the gym to let the fitness teacher do targeted training according to this posture.