The reason why sports with a stronger sense of impact bring pleasure When we participate in some sports, we will find that some sports have a strong sense of impact, but they can bring a pleasant feeling. This is because exercise with a stronger impact can stimulate certain areas of the body and stimulate the brain to secrete happy hormones such as dopamine, thus bringing a sense of pleasure. This is elaborated on in four aspects below. 1. Sports with a strong sense of impact in terms of physiological mechanisms usually experience stretching and contraction.