sternal promotor muscle mesothoracic sternal promotor muscle 64 2022-07-05T13:30:44Z FBbt:00058921 fly_anatomy.ontology Sternal promotor muscle of the adult mesothoracic coxa that arises anteriorly in the same region as the mesothoracic sternal promotor muscle 65 and extends posteriorly to the anterior rim of the coxa. adult mesothoracic leg muscle