Anatomy Angel: EAO and Serratus Anterior Connection
Dooley Noted: 10/4/2017 The External Abdominal Oblique (EAO) is an extrinsic core muscle that is meant to take intrinsic force (from structures like diaphragm and innermost abdominal muscles) and send it to the limbs. This muscle starts at rib 5, where it interdigitates with the Serratus Anterior muscle at ribs 5-9 laterally. These two muscles work together to send out force through the scapula, during activities like the initiation phase of gait, lunging, and throw … Read more