[Music] in this video we are going to be talking about the accessory muscles of breathing these are the muscles of the neck back and abdomen that in some cases can assist the diaphragm with breathing keep in mind that it is abnormal for these muscles to be used during normal breathing in fact when these muscles are in use it indicates that the patient has an increased work of breathing and may be in some form of respiratory distress the accessory muscles of breathing include the abdominal muscles internal intercostals the sternocleidomastoid scalene and the pectoralis major so just to recap the accessory muscles that were mentioned are activated in order to assist the diaphragm with breathing whenever a patient is in respiratory distress these muscles should not be used during normal quiet breathing alright guys that's it for this one thank you so much for watching if you want to dive deeper and learn more about this topic be sure to check out some of the other videos that we have here on our channel also you can go to respiratorytherapyzone.com where we have a ton of free study guides practice questions and other resources that i think you will enjoy i'll drop links to everything you need right below this video down in the description and if you want to support the channel be sure to drop a like on this video and you might as well go ahead and click the subscribe button while you're down there i would greatly greatly appreciate it that's it for this one have a blessed day and as always breathe easy my friend [Music] you