Most people have a good idea what part of the chest is getting the brunt of the load. (fitnessdoctrine.com)
This really forces that working arm to take the brunt of the load. (thebestexercises.com)
Open - chain exercises typically put more stress on the body because the weight can only be dispersed through one area rather than using the entire body to take the brunt of the load. (dailyburn.com)