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CD442 Exam 2

muscles of respiration

diaphragm separates ab + thoracic cavities (except esp & vas hiatus)attach > infer boundary of RC + xiphoid process & VC posteriorly
Central Tendon in diaphragm, when muscles shorten diaphram pull CT down & back
fibers radiate our frm central tendon, forming sternal costal, and vert attachment
most ant sternal attachment of diaphram is... xiphoid process
lateral to xiphoid process fibes attach 2 inner boders of ribs & cost cart forming... costal attachment
posteriorly vert column attach with... lumbar vertabrae
external intercostal most sig 4 speech, between 12 ribs, provide unity + mobility elevate rib
int intercostal (interchondral portion) parasternal near sternum> encompass chondral aspect of ribs active in forced inspiration
Created by: saj